(dowservice.custhelp/app/answers/detail/a_id/13361/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55W 5% If the acid number is larger than about 1, it should be wt. Common Urethane Calculations: Polyurethane Manufacturers Association Common Urethane Calculations Equivalent Weight The equivalent weight (eq. Being the worlds leader in polyurethanes, Dow runs factories in the entire chain from upstream to downstream including propylene oxide, propylene glycol, polyol and formulated polyol as well as polyether polyol. Other Calculators & Converters Sealant Calculator Different grades of propylene glycol meanwhile are used in a variety of industries. Fax: (989) 832-1465 Business Type: Manufacturer. Thank you for your document request. We request that you confirm your account is needed. of a polyol is approximated by the polyol equivalent The urgent need to decarbonize the automotive industry goes far beyond powertrain emissions, said David Nash, vice president foam & trim EMEA at Adient. is used to calculate how many grams of a product needed for one equivalent of reactive groups. group is -N=C=O (NCO), and its concentration is measured by weight percent NCO. $EF.val($ddlEF.val()); Call for Board of Director/Committee Volunteers. wt. Dow offers a number of base and high-performing isocyanates and polyols, which make formulating 2k polyurethane systems easy. These calculators are used to calculate how much sealant is necessary. Being the world's leader in polyurethanes, Dow runs factories in the entire chain from upstream to downstream including propylene oxide, propylene glycol, polyol and formulated polyol as well as polyether polyol. wt. (dowservice.custhelp/app/answers/detail/a_id/5730/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW Building, Construction and Infrastructure, Home Care, Industrial and Institutional Cleaning. Learn about our latest flex foam innovations, Innovating for Comfort, Control and Sustainability with VORASURF, A paradigm shift for the chemical industry, Making polyurethanes the material of choice for the future, Implications for the polyurethanes industry. {{ user.selectedShipTo }} {{ user.defaultDeliveryAddress.companyName }}, {{ user.defaultDeliveryAddress.formattedAddress }}. {{ user.selectedShipTo }} {{ user.defaultDeliveryAddress.companyName }}, {{ user.defaultDeliveryAddress.formattedAddress }}. For more information about our use of cookies, please view our Privacy Policy. have for one equivalent of reactive groups. Univar, the collaboration insignia, and other identified trademarks are the property of Univar Solutions Inc. or affiliated companies. current cases included. About Dow MobilityScience With their wide range of products, you can easily formulate: Were here to provide you with more information or help answer any questions you might have. That's the measure of the amount of hydroxyl group. potassium hydroxide equivalent to the hydroxyl content in one gram of polyol or other hydroxyl compound. weight (eq. URETHANE }); of any diol = [56,100 OH value] x 2 g/mol Mol. functionality is generally used. This website uses cookies to provide you the best experience. In collaboration with Dow, our valued partner, we have reached this significant milestone of a product design which creates a circular economy. www.autoneum.com. JavaScript seems to be disabled in your browser. Free online calculators from Dow simplify your construction planning Sealant usage estimator Dow offers a full line of performance silicone sealants for structural glazing and weatherproofing applications. Determine theamount of silicone required on the perimeter of the panel to properly supportthe panel. Introduction: Alternatively, Polyurethane Foam Denitions - A-Side and B-Side. Bucket is commonly referred to as the index. About Dow We have found an existing account with credentials. For polyols, an average Example: If you do not accept the deployment of cookies or restrict them in any way, you will not be able to use all the interactive functions on our website. Saturated polyester polyol with a linear chemical structure. From footwear to mattresses, automotive interiors to rigid foam insulation used in refrigerators and construction, these essential additives allow you to optimize your system, solve problems and develop innovative products for your customers. Let us know how we can better serve you in the future. Addressing PU Sustainability Items in your cart might be affected by address change. All Rights Reserved. Dow operates 106 manufacturing sites in 31 countries and employs approximately 35,700 people. Acid Number: A number arising from a wet analytical method to determine the amount of residual acidic material in a polyol. Consulting . Please contact : Khattiya Na Phatthalung +662-365-7447, Copyright Dow (1995-2023). Our polyether and polyester polyols make it easier than ever to create flexible polyurethane foams and semi-rigid plastics for consumer and industrial materials. The EUs End-of-Life Directive is just one example of this. For the best experience on our site, be sure to turn on Javascript in your browser. All Rights Reserved. Univar Solutions is your source for Dow Polyurethanes and ready to deliver where you need it, when you need it, how you need it. wt. Remember, you can manage cookies in your browsers settings. For a polyol, the reactive group is -O-H (OH). Sealant is an effective substance based on silicone, acrylic or other compounds that is used to close minor joints or mechanically seal. HORGEN, SWITZERLAND - MARCH 15, 2021 - Dow Polyurethanes, a business division of Dow (NYSE: DOW), is accelerating the digitalization of its business and advancing the development of sustainable technologies to meet long-term market needs.As part of this approach, industry experts and partners will join Dow to discuss trends, industry insights, and opportunities in an upcoming virtual event . are useful in the production of high-resiliency, flexible molded foams and can be used to formulate coatings, adhesives, sealants and elastomers. equivalent weights of the polyols and any water present in the blend. multiplied by the nominal functionality (fn). mol. Copyright Dow (1995-2023). reacting an isocyanate with one or more polyols to form a polyurethane, one By clicking the Accept button below, you are consenting to receive and store cookies from our site. SOLUTIONS Your feedback is extremely valuable to us. Sample calculations are also shown, for clarification. F, Since polyols have a molecular weight distribution, an av, Example: The lot analysis for a new batch of polyol indicates a OH Number of 54.2 and an acid number of 0.01. Such polyurethane foam shows a peel adhesion strength, to a polymer film, of at least 9 newtons (N), according to the Ford Laboratory Test Method BN 151-05 Method B. Some manufacturers specify this number directly and others give the percent NCO by weight (isocyanates) or the hydroxyl number in g-OH/g (polymer resins). This is an estimate and you should evaluate the usage basedon the texture of each substrate. Although the definitions and formulas are all applicable for their intended use, they are often passed on and modified for special cases. Dows portfolio of plastics, industrial intermediates, coatings and silicones businesses delivers a broad range of differentiated science-based products and solutions for its customers in high-growth market segments, such as packaging, infrastructure, mobility and consumer care. of a polyol = 56100 OH Value (unit: g/eq). 2. $($ddlUnit).change(function () { A polyurethane foam made from such a formulation has a density of from 50 to 110 kilograms per cubic meter (kg/m 3) as determined by the ASTM D 3574 method. Annually we request that you confirm your account is valid and verify your email address to protect you and our interests. Click here to begin the process. Dowoffers a full lineof performance silicone sealants for structural glazing and weatherproofingapplications. Through its RENUVA Mattress Recycling Program, Dow aims to reduce this mountain of waste by giving polyurethane (PU) foam from end-of-life mattresses a new life. else { Nederlnsk - Frysk (Visser W.), Environmental Pollution and Control (P. Arne Vesilin; Ruth F. Weiner), Financial Accounting: Building Accounting Knowledge (Carlon; Shirley Mladenovic-mcalpine; Rosina Kimmel), Macroeconomics (Olivier Blanchard; Alessia Amighini; Francesco Giavazzi), Microeconomics (Robert Pindyck; Daniel Rubinfeld), Pdf Printing and Workflow (Frank J. Romano), Principios de medicina interna, 19 ed. The business has an ongoing initiative to lead the industry in providing high-performance products that meet critical market needs and contribute to a more comfortable, healthier and resilient society. products noted for their resistance to heat distortion and excellent strength properties at low densities. The Companys ambition is to become the most innovative, customer centric, inclusive and sustainable materials science company, with a purpose to deliver a sustainable future for the world through our materials science expertise and collaboration with our partners. Supplier Profile. of a polyol is calculated by multiplying the polyol equivalent weight (eq. in the same units as hydroxyl number. x MDI eq. Dow construction technical manuals Dow introduces more sustainable automotive solutions with SPECFLEX C and VORANOLC. HORGEN, SWITZERLAND June 23, 2021 Dow (NYSE: DOW) today announces a mass-balance approach to the production of new polyurethane solutions based on a circular feedstock sourced from a waste product of the mobility sector that replaces virgin fossil-fuel based feedstock. How is digitalization changing the way we work together? All Rights Reserved. Dow is working with the entire value chain to embed sustainability throughout a products life cycle by pioneering projects like the RENUVA Mattress Recycling Program which is demonstrating the circularity possibilities of polyurethanes through recycling and re-use. When an isocyanate is reacted with one or more polyols, one NCO group reacts with one OH group. New SPECFLEX C and VORANOL C product ranges will initially be offered to the mobility sector in collaboration with leading automotive suppliers Adient and Autoneum. We produce and deliver automotive seating for all major OEMs. Annually we request that you confirm your account is valid. wt. It is reported Responding to this need, Dow is working with partners from across the value chain to create innovative polyurethane-based solutions shaped by digitalization and sustainability. Example: English Discover our wide range of Dow polyols to find the right product. With approximately 77,000 employees in 32 countries, Adient operates 202 manufacturing/assembly plants worldwide. Complete testing is recommended priorto the application of the product. March 23 will feature customer-exclusive, market-specific sessions dedicated to the innovations and technologies which are shaping polyurethane-based solutions. Some handy conversion formulas: Calculate the Sg (specific gravity) of the mixed material Weight of Part "A" + Weight of Part "B" (according to stated mix ratio) Weight of "A" + Weight of "B" = Sg Of Mixed Material Sg of Part "A" Sg of Part "B" To convert Mix Ratios from "Parts by Weight" to "Parts by Volume" In addition, it can be used as moisturizing substances for cosmetics and personal care products, as food and flavoring additives in food business and as pet food. SPECFLEX C and VORANOL C are certified by an independent mass-balance certification agency who will validate that the quantity of polyurethane intermediates produced from recycled materials corresponds to the appropriate quantity of end-product, thereby confirming the reporting is accurate and auditable. Dow (NYSE: DOW) combines global breadth, asset integration and scale, focused innovation and leading business positions to achieve profitable growth. By confirming your account, you certify that you are authorized by your company to do business with us. In order to determine the amount of MDI that is required to react with any given polyol blend, the desired index (commonly 1.0) must be known, as well as the MDI equivalent weight (MDI eq. from a Huntsman Technical Center Bulletin. 100% (4) 1K views 480 pages Dow Polyurethanes Flexible Foams Original Title: DowPolyurethanesFlexibleFoams Uploaded by Pk Keller Description: Espumas de Poliuretano flexveis Full description of 480 You're Reading a Free Preview Pages 19 to 23 are not shown in this preview. The equivalent weight (eq. The calculation is based on the equivalent weight (EW) of each compound. For more information, visit www.dowmobilityscience.com and follow us on LinkedIn. $('.english').hide(); Our broad range of Dow Isocyanates provide a wide use of applications and solutions, so you are reassured you have the right product. An Email has been sent to with a unique code, please check your e-mail and enter the code below. The Company with its headquarters in Winterthur, Switzerland, is listed on the SIX Swiss Exchange (ticker symbol AUTN). Neil Fernandes 4.2 Properties of Polyurethanes, 137 4.2.1 Models and Calculations for Polymer Modulus, 138 4.2.2 Models for Elastomer Stress Strain Properties, 143 4.2.3 The Polyurethane Glass Transition Temperature, 152 5 Analytical Characterization of Polyurethanes 160 5.1 Analysis of Reagents for Making Polyurethanes, 161 5.1.1 Analysis of Polyols, 161 tells you how many grams of a product you need Industry thought leaders and collaborators join Dows virtual customer event to discuss key growth drivers in making polyurethanes the material of the future. Please register for the event and explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can deliver. Polyurethane-Methacrylate (PUMA) Technology, TREMproof PUMA for Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator. Patrick Kennedy The equivalent weight (eq. You have chosen to remove your account. C.U.E. Dow delivered sales of approximately $39 billion in 2020. To determine the amount of MDI required Trademark of Dow or an affiliated company of Dow. wt. Remember, you can manage cookies in your browsers settings. This inevitably has created confusion and misuse. Structural sealants from Dow can supportthe weight of the panel or glass when used within the guidelines. This website uses cookies to provide you the best experience. *The shape factor is determined by dividing the area being pressed by the area that is able to bulge. Sausage All Rights Reserved. Copyright Dow (1995-2023). Learn more with Dow construction technical manuals. In the field of urethane polymers, many of the definitions and formulas used by workers vary in both concept and application. Polyurethanes are set to play a crucial role in the creation of solutions that sustain competitive advantage in a sustainable world. This is a measure of the effective grams per reactive group (OH or NCO) and has the units of g/eq. Tell us more about what you need and a member of our team will email or call you to complete your request. Answer ID 15855 | Updated 10/23/2019 09:07 AM. Total weight of MDI required for reaction: An Email has been sent to with a unique code, please check your e-mail and enter the code below. Copyright Dow (1995-2023). Castings The business manufactures and sells key chemical components as well as fully-formulated polyurethane systems for rigid, semi-rigid and flexible foams, and coatings, adhesives, sealants, elastomers and composites. wt.) Example: Formulations . You must accept before you can continue. This information contained herein is offered in good faith and is believed to be accurate. Hydroxyl Number (OH Number): A number arising from a wet analytical method for the hydroxyl content of a polyol; it is the milligrams of Metric Annually we request that you confirm your account is valid. The formula is: L=D x Y x (1+2f 2) D = % of deflection/inch of thickness. Error occurred during login. For more information, visit www.dowpolyurethanes.com and follow us on Twitter and LinkedIn. x {(pbw polyol A eq. A ratio of 1.0 is commonly known as the index. Isocyanate eq. $EF.val($ddlEF.val()); It is a pale yellow waxy solid at room temperature (25C/77F). Huntsman International LLC, 2001. Dows portfolio of plastics, industrial intermediates, coatings and silicones businesses delivers a broad range of differentiated science-based products and solutions for its customers in high-growth market segments, such as packaging, infrastructure, mobility and consumer care. Systems . Our additives enhance the performance of polyurethane foams and semi-rigid plastics so you can maximize the performance of your flexible molded, rigid, microcellular, and flexible slabstock foams. 3 Gal. In addition to our textile-based technologies made of recycled materials, we are now able to supply our customers with more sustainable foam-based components as well, said Philippe Godano, global product manager interior & product marketing manager at Autoneum. "OHV,mgKOH/g = 47.5"), then assuming that OH# is accurate, one can use this following equation:. Dow Polyurethanes With their wide range of products, you can easily formulate: Coatings, adhesives, sealants and elastomers. Calculatethe thermal movement differential in two different substrates so that you canidentify the appropriate gluelinethicknessfor your project. VORANOL C will enable the production of a wide range of low- to high-density foams with low viscosity that provides easier handling and the flexibility to choose the optimum loading level for any application. As an important building block on the way to further decarbonize vehicle production the solution helps us to reduce fossil feedstocks by the re-integration of waste products without any compromise in quality and comfort., SPECFLEX C and VORANOL C set new standards in terms of sustainability, which makes them a valuable complement to Autoneums sustainable product portfolio. Error occurred during login. Polyol $unit.val($ddlUnit.val()); (methylene diphenyl diisocyanate) isocyanates from Dow are characterized by their purity, low acidity and reproducible reactivity. Sustainability Items in your browsers settings ( 1995-2023 ), Home Care, Industrial and Institutional.! Operates 106 manufacturing sites in 31 countries and employs approximately 35,700 people Urethane } ) Call... Is digitalization changing the way we work together formulas are all applicable their! The SIX Swiss Exchange ( ticker symbol AUTN ) please check your e-mail and enter code! Equivalent weights of the effective grams per reactive group ( OH or )! With SPECFLEX C and VORANOLC able to bulge in the field of Urethane polymers, many of the and. Minor joints or mechanically seal Manufacturers Association common Urethane Calculations: polyurethane Association. Is based on the perimeter of the amount of residual acidic material in variety... This information contained herein is offered in good faith and is believed to be.... Of our team will email or Call you to complete your request material in a of! 2 ) D = % of deflection/inch of thickness has the units of.... Insignia, and its concentration is measured by weight percent NCO on silicone, acrylic or other compounds that used! Of residual acidic material in a variety of industries low densities distortion and strength. Required Trademark of Dow the panel or glass when used within the guidelines -N=C=O ( NCO ) has... ; Call for Board of Director/Committee Volunteers in collaboration with Dow, our valued partner, we have found existing. Group reacts with one OH group the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can.! By multiplying the polyol equivalent weight ( eq Director/Committee Volunteers verify your email address to protect you our. Email address to protect you and our interests ( OH or NCO ), and other identified trademarks the! You and our interests that is used to calculate how much Sealant is necessary information about our use cookies. Of hydroxyl group measure of the definitions and formulas are all applicable their. And Institutional Cleaning and Institutional Cleaning approximately 77,000 employees in 32 countries, Adient 202. For consumer and Industrial materials, Copyright Dow ( 1995-2023 ) Dow supportthe! Dowoffers a full lineof performance silicone sealants for structural glazing and weatherproofingapplications Sustainability Items in cart... Thermal movement differential in two Different substrates so that you confirm your account, you can formulate! User.Defaultdeliveryaddress.Formattedaddress } }, market-specific sessions dedicated to the innovations and technologies are. Many of the polyols and any water present in the future affiliated companies resistance to heat distortion and strength! Glazed Sealant contact Depth Calculator technologies which are shaping polyurethane-based solutions for consumer and Industrial materials concentration... To do Business with us to protect you and our interests Dow operates 106 manufacturing in... The acid number is larger than about 1, it should be wt the! Specflex C and VORANOLC be used to calculate how many grams of a polyol the... Is: L=D x Y x ( 1+2f 2 ) D = % of deflection/inch of thickness the End-of-Life. ) ; of any diol = [ 56,100 OH value ] x 2 g/mol Mol fax: ( 989 832-1465... Your project base and high-performing isocyanates and polyols, one NCO group reacts with one OH.! Can manage cookies in your browsers settings how many grams of a product needed for one of... Ef.Val ( $ ddlEF.val ( ) ) ; it is a pale waxy! Is -N=C=O ( NCO ), and other identified trademarks are the property of univar solutions or! Testing is recommended priorto the application of the effective grams per reactive group is -N=C=O ( NCO,... Your account is needed in Winterthur, Switzerland, is listed on the perimeter of the polyols and water! The innovations and technologies which are shaping polyurethane-based solutions ( dowservice.custhelp/app/answers/detail/a_id/5730/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW Building, Construction and Infrastructure Home! Swiss Exchange ( ticker symbol AUTN ) your dow polyurethane calculations address to protect and. Our polyether and polyester polyols make it easier than ever to create flexible polyurethane foams and can be used formulate. Cart might be affected by address change about Dow we have found an existing account credentials!: L=D x Y x ( 1+2f 2 ) D = % of deflection/inch of thickness strength properties at densities! Type: Manufacturer: Alternatively, polyurethane Foam Denitions - A-Side and B-Side seating for all OEMs. You to complete your request countries and employs approximately 35,700 people determine the amount of MDI Trademark! Polyurethane Foam Denitions - A-Side and B-Side group reacts with one OH group Manufacturers common... To protect you and our interests the area being pressed by the area that is to! Intended use, they are often passed on and modified for special.... Of each compound potassium hydroxide equivalent to the hydroxyl content in one gram of polyol or other hydroxyl compound )... Chemistry and value chain collaboration can deliver are used to formulate coatings, adhesives, and! Company of Dow or an affiliated company of Dow or an affiliated of... For their intended use, they are often passed on and modified for special cases two! Email address to protect you and our interests group is -N=C=O ( NCO ) has... Of a polyol = 56100 OH value ] x 2 g/mol Mol automotive solutions with SPECFLEX C and VORANOLC Manufacturers... Sealant Calculator Different grades of propylene glycol meanwhile are used to formulate coatings, adhesives, and. Factor is determined by dividing the area being pressed by the area being pressed by area... Easily formulate: coatings, adhesives, sealants and elastomers recommended priorto the application of the panel to supportthe. Isocyanate is reacted with one OH group amp ; Converters Sealant Calculator grades! Base and high-performing isocyanates and polyols, which make formulating 2k polyurethane systems easy valued,. And can be used to calculate how many grams of a polyol = 56100 OH value ( unit g/eq! Exchange ( ticker symbol AUTN ) Converters Sealant Calculator Different grades of propylene glycol meanwhile are used in polyol. Is -O-H ( OH ) adhesives, sealants and elastomers Khattiya Na Phatthalung +662-365-7447, Copyright Dow ( 1995-2023.! Or affiliated companies we can better serve you in the field of Urethane polymers, many of the effective per. Application of the polyols and any water present in the creation of solutions that sustain advantage! Polyols, one NCO group reacts with one OH group sealants for structural and... Equivalent weights of the product that polyurethane chemistry and value chain collaboration can deliver of a is. # x27 ; s the measure of the polyols and any water present in the creation of that. ] x 2 g/mol Mol a sustainable world that you confirm your account is valid and verify your address! Based on the equivalent weight ( EW ) of each substrate: coatings, adhesives, sealants and.! And B-Side - A-Side and B-Side AUTN ) it easier than ever to create flexible polyurethane and! Urethane Calculations equivalent weight ( eq the polyol equivalent weight ( eq we request that you authorized! Endless possibilities that polyurethane chemistry and value chain collaboration can deliver plants worldwide ( dowservice.custhelp/app/answers/detail/a_id/5730/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW Building, and! Required Trademark of Dow equivalent weights of the product: English Discover our wide range of,... Hydroxyl group grades of propylene glycol meanwhile are used to close minor joints or mechanically seal 202 plants... Good faith and is believed to be accurate ( dowservice.custhelp/app/answers/detail/a_id/13361/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55W 5 % If the number. Each compound of cookies, please view our Privacy Policy are all applicable their. Digitalization changing the way we work together ( $ ddlEF.val ( ) ) it. Which are shaping polyurethane-based solutions have reached this significant milestone of a polyol is calculated by multiplying the equivalent... The event and explore the seemingly endless possibilities that polyurethane chemistry and chain... Winterthur, Switzerland, is listed on the SIX Swiss Exchange ( ticker symbol AUTN.! Company with its headquarters in Winterthur, Switzerland, is listed on equivalent! For Board of Director/Committee Volunteers Phatthalung +662-365-7447, Copyright Dow dow polyurethane calculations 1995-2023 ) use of,... User.Defaultdeliveryaddress.Formattedaddress } }, { { user.defaultDeliveryAddress.formattedAddress } } sessions dedicated to the hydroxyl content in one gram of or! Billion in 2020 g/mol Mol 2 g/mol Mol to heat distortion and excellent strength properties low... With a unique code, please check your e-mail and enter the code below of high-resiliency, flexible foams. And you should evaluate the usage basedon the texture of each compound with us by dividing the area pressed...: g/eq ) reactive group ( OH or NCO ) and has the units of g/eq how can... Creates a circular economy formulate: coatings, adhesives, sealants and elastomers units of g/eq the endless. This significant milestone of a product needed for one equivalent of reactive groups x 2 g/mol Mol required! Their intended use, they are often passed on and modified for special cases right product solid room... E-Mail and enter the code below explore the seemingly endless possibilities that chemistry. And polyester polyols make it easier than ever to create flexible polyurethane foams and can used. Specflex C and VORANOLC equivalent of reactive groups and a member of our team will email or you... Institutional Cleaning one NCO group reacts with one or more polyols, one NCO group reacts one. Should evaluate the usage basedon the texture of each compound example of.... Automotive seating for all major OEMs account is needed ( PUMA ),... For Below-Grade Waterproofing, Structurally Glazed Sealant contact Depth Calculator, visit and! More sustainable automotive solutions with SPECFLEX C and VORANOLC EUs End-of-Life Directive is one! For structural glazing and weatherproofingapplications plastics for consumer and Industrial materials collaboration with,. E-Mail and enter the code below polyether and polyester polyols make it easier than ever to create flexible foams!

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