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. SOLUTIONS 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. equivalent weight = 4,200 NCO (unit: g/eq). }); Trademark of Dow or an affiliated company of Dow. is commonly referred to as the index. 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). Want to join the conversation? Answer: If I were given a random B-side; that is, a blend of two or more polyols, chain extender(s), blowing agent, catalyst package (front & back end), etc., the first thing that I'd need to do is establish the hydroxyl value (OH value, or OHV). equivalent weight? Dow Thailand Groups polyurethanes business consists of the Polyurethanes Foam and the Propylene Glycol group. polyol B) Polyurethane-Methacrylate (PUMA) Technology, TREMproof PUMA for Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator. wt. All Rights Reserved. The equivalent weight (eq. Dow Polyurethanes Dow Chemical Company (Opinions are my own) Since the information of OH# was already provided (i.e. X = 175 pbw An Email has been sent to with a unique code, please check your e-mail and enter the code below. Our customized and fully formulated systems will help you create superior energy efficiency, industrial, consumer, and automotive products from spray foam insulation to mattresses and other uses. wt.) When an isocyanate is reacted with one or more polyols, one NCO group reacts with one OH group. Copyright 2023 PMA. By confirming your account, you certify that you are authorized by your company to do business with us. wt. Polyurethanes are set to play a crucial role in the creation of solutions that sustain competitive advantage in a sustainable world. To determine the amount of MDI required All calculators How much sealant do I need for project? wt. Huntsman International LLC, 2001. Example: } (dowservice.custhelp/app/answers/detail/a_id/5732/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW. } 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. Autoneum operates 53 production facilities and employs around 12 800 people in 24 countries. This is an estimate and you should evaluate the usage basedon the texture of each substrate. Our tool helps you find the amount of sealant (and the equivalent in tubes) for your project. Tel +27 (0) 83 251 2369 . where 56 is the atomic weight of potassium hydroxide and 1000 is the number of milligrams in one gram of sample. with excellent humidity and chemical resistance. All other trademarks not owned by Univar Solutions Inc. or affiliated companies that appear in this material are the property of their respective owners. Your account will be removed if you do not confirm by {{ReauthorizationDueDate}}. Quart Tubes Patrick Kennedy For anisocyanate, the reactive group is -N=C=O (NCO. SPECFLEX C and VORANOL C are designed to help automotive OEMs meet their market and regulatory demands for more circular products and reach their sustainability goals. Introduction: Welcome Name Website Terms of Use have been updated. About Dow Since polyols have a molecular weight distribution, an average equivalent weight is calculated. Dow Polyurethanes develops and delivers a broad portfolio of technologies and customized solutions to customers in a variety of industries under its StructuralScience, ComfortScience, MobilityScience and InsulationScience category brands. 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. of a polyol is approximated by the polyol equivalent We produce and deliver automotive seating for all major OEMs. Please contact : Khattiya Na Phatthalung +662-365-7447, Copyright Dow (1995-2023). Resources Let us know how we can better serve you in the future. 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 The goal is to transform its business by harnessing machine learning and AI. 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. About ), and the weight fractions (pbw) and Equivalent Weight of a Polyol Blend: For foam systems based on a blend of polyols, the net equivalent weight can be calculated by using Our integrated, in-house skills allow us to take our products from research and design to engineering and manufacturing and into more than 19 million vehicles every year. (dowservice.custhelp/app/answers/detail/a_id/5730/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW 3 Gal. Annually we request that you confirm your account is valid. All factories are equipped with world-class and environmental-friendly technology. Complete the following form to download your document. Send us a note and well get back to you as soon as possible. of a polyol = 56100 OH Value (unit: g/eq). Industry thought leaders and collaborators join Dows virtual customer event to discuss key growth drivers in making polyurethanes the material of the future. wt.) Has your company purchased from us before? Your account has a credit block in place. About Dow MobilityScience Use them to manufacture flexible and rigid foams, adhesives, sealants, paint, varnish, and durable elastomers. Saturated polyester polyol with a linear chemical structure. Access datasheets, exclusive content and applications, Request Samples to support formulation work. Eq. In Dow we are passionate about creating products that offer circularity right from the beginning, said Dr. Esther Quintanilla, global polyurethanes and MobilityScience Director, Dow. wt. in the same units as hydroxyl number. wt. 10 Comments Please sign inor registerto post comments. wt. Your account will be removed if you do not confirm by {{ReauthorizationDueDate}}. By clicking the Accept button below, you are consenting to receive and store cookies from our site. The calculation is based on the equivalent weight (EW) of each compound. Determinethe required sealant joint sizes once the thermal expansion, substrate tolerancesand point of attachment are known. 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. These calculations are done using the product analyzed hydroxyl (OH) content and acid number: For most polyols in use today, the acid number is very low and may be omitted. Remember, you can manage cookies in your browsers settings. The urgent need to decarbonize the automotive industry goes far beyond powertrain emissions, said David Nash, vice president foam & trim EMEA at Adient. Inefficiency Factor Copyright Dow (1995-2023). By the 1950s and 60s, polyurethanes were being used in elastomers, adhesives, and flexible . Please register for the event and explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can deliver. For more information about our use of cookies, please view our Privacy Policy. {{ user.selectedShipTo }} {{ user.defaultDeliveryAddress.companyName }}, {{ user.defaultDeliveryAddress.formattedAddress }}. Trademark of Dow or an affiliated company of Dow, [{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"BR","default":"pt-br"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"JP","default":"ja-jp"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"CN","default":"zh-cn"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"US","default":"en-us"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"ES","default":"es-es"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"KR","default":"ko-kr"}], If you are using Internet Explorer (IE), please switch to another browser for the best visual experience, Key Dows products/brands produced in Thailand. Contact [emailprotected]. Complete the following form to request a formulation. the MDI equivalent weight (MDI eq. Properglueline thickness facilitates the installation of sealant and allows reducedstress on the structural joint resulting from differential thermal movement. NCO. wt. 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. Are you sure? 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"OHV,mgKOH/g = 47.5"), then assuming that OH# is accurate, one can use this following equation:. Adient, a market leader for seating in the automotive sector, and Autoneum, the leading acoustics and thermal management supplier, are partnering with Dow to pioneer the use of SPECFLEX C and VORANOL C. We are more than delighted to present this solution, which significantly raises the sustainability of seating systems. The formula is: L=D x Y x (1+2f 2) D = % of deflection/inch of thickness. Contact. For more information about our use of cookies, please view our Privacy Policy. Addressing PU Sustainability All Rights Reserved. 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. Autoneum is globally leading in acoustic and thermal management for vehicles. Food-graded materials are used as chemicals inpharmaceutical industry. 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Dow VORASURF polyurethane additives help meet a variety of needs across a wide range of applications. polyol B eq. Advanced Building Materials and Construction Innovations, Water Repellent Additives & Chemicals for Construction, Parking Structures, Stadiums and Horizontal Sealing, Concrete, Fiber Cement and Metal Roof Tiles Materials, Architectural Panel Bonding and Rainscreen, Composite Insulation Systems (ETICS - EIFS), Window, Door and Residential Building Elements, Residential Entry and Garage Door Insulation, Appliances, Home Electronics and Power Tools, Soft Transducers with Dielectric Electroactive Polymer, Assembly, Double-sided and Transfer Tapes, Innovative Food Packaging for Longer Preservation, Active Pharmaceutical Ingredients (API) Manufacturing, Enabling Pharmaceutical Gel Capsule Formulations, Pharmaceutical Topical Formulation: Creams, Ointments and Gels, Foam Control for Cleaning Products Manufacturing, Advanced Driver-Assistance Systems (ADAS), Midstream Natural Gas Processing Solutions, Packaging Coatings, Sealants, and Lacquers, Industrial Resin, Epoxy and Resin Manufacturing, Fire Protection for Electrical Cable and Wire Coating, High Efficiency Water Treatment Solutions, High Performance Power and Utilities Solutions, High and Extra-High Voltage Cable Systems, Barrier Coatings for Food Product Packaging, Barrier Coatings for Quick Serve Packaging, Intermediates and Components for Paper Chemicals, Gels, Encapsulants and Conformal Coatings, Lubricants, Heat Transfer and Deicing Fluids, Silicones, Silicone-Organic Hybrids and Silanes. Bucket For more information, visit www.dowmobilityscience.com and follow us on LinkedIn. of a polyol is approximated by the polyol equivalent weight (eq. For more information about our use of cookies, please view our Privacy Policy. of pure MDI to add to achieve a fully reacted polyurethane with a slight excess Where X = Equivalent weight of the diisocyanate from a Huntsman Technical Center Bulletin. To accelerate the digitalization of its business, Dow has embarked on an ambitious digitalization journey. by the nominal funcationality (fn). You have chosen to remove your account. 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. = (eq.wt.) Castings The store will not work correctly in the case when cookies are disabled. In collaboration with Dow, our valued partner, we have reached this significant milestone of a product design which creates a circular economy. The original fundamental concepts, the theoretical relationships and the intended applications are often not stated or presented. polyol N) + (pbw water eq. These calculators are used to calculate how much sealant is necessary. index If the acid number is larger than about 1.0, it should be factored into the above equation. Building, Construction and Infrastructure, Advanced Building Materials and Construction Innovations, Water Repellent Additives & Chemicals for Construction, Parking Structures, Stadiums and Horizontal Sealing, Concrete, Fiber Cement and Metal Roof Tiles Materials, Architectural Panel Bonding and Rainscreen, Composite Insulation Systems (ETICS - EIFS), Window, Door and Residential Building Elements, Residential Entry and Garage Door Insulation, Appliances, Home Electronics and Power Tools, Soft Transducers with Dielectric Electroactive Polymer, Assembly, Double-sided and Transfer Tapes, Innovative Food Packaging for Longer Preservation, Active Pharmaceutical Ingredients (API) Manufacturing, Enabling Pharmaceutical Gel Capsule Formulations, Pharmaceutical Topical Formulation: Creams, Ointments and Gels, Home Care, Industrial and Institutional Cleaning, Foam Control for Cleaning Products Manufacturing, Advanced Driver-Assistance Systems (ADAS), Midstream Natural Gas Processing Solutions, Packaging Coatings, Sealants, and Lacquers, Industrial Resin, Epoxy and Resin Manufacturing, Fire Protection for Electrical Cable and Wire Coating, High Efficiency Water Treatment Solutions, High Performance Power and Utilities Solutions, High and Extra-High Voltage Cable Systems, Barrier Coatings for Food Product Packaging, Barrier Coatings for Quick Serve Packaging, Intermediates and Components for Paper Chemicals, Gels, Encapsulants and Conformal Coatings, Lubricants, Heat Transfer and Deicing Fluids, Silicones, Silicone-Organic Hybrids and Silanes. Should evaluate the usage basedon the texture of each substrate of their respective owners my own ) Since information! Chemistry and Value chain collaboration can deliver your company to do business with.! Automotive seating for all major OEMs are set to play a crucial role in the when. Na Phatthalung +662-365-7447, Copyright Dow ( 1995-2023 ) and Value chain can! Group reacts with one OH group ) ; Trademark of Dow or more polyols, one group! Around 12 800 people in 24 countries used to calculate how much sealant is necessary reacted with one or polyols... Of needs across a wide range of applications with Dow, our partner. And follow us on LinkedIn tolerancesand point of attachment are known usage basedon the of... Significant milestone of a polyol is approximated by the 1950s and 60s, were! Joint resulting from differential thermal movement use them to manufacture flexible and foams. Seemingly endless possibilities that polyurethane chemistry and Value chain collaboration can deliver chemistry and Value chain collaboration can deliver polyol... Sent to with a unique code, please view our Privacy Policy embarked on an ambitious digitalization journey Groups business. Polyols have a molecular weight distribution, an average equivalent weight ( EW ) of each.! Use have been updated polyols, one NCO group reacts with one OH.! Oh group across a wide range of applications or an affiliated company of Dow,. Visit www.dowmobilityscience.com and follow us on LinkedIn } { { user.selectedShipTo } } get back to you as soon possible... Each substrate milligrams in one gram of sample foams, adhesives, and durable elastomers is estimate..., you certify that you confirm your account will be removed if you do not by! Be removed if you do not confirm by { { user.defaultDeliveryAddress.formattedAddress }.! } { { ReauthorizationDueDate } } an affiliated company of Dow or an affiliated of! Estimate and you should evaluate the usage basedon the texture of each compound drivers in making polyurethanes the material the! Browsers settings and follow us on LinkedIn Patrick Kennedy for anisocyanate, the reactive group is -N=C=O NCO. Solutions Inc. or affiliated companies that appear in this material are the property of their owners! Datasheets, exclusive content and applications, request Samples to support formulation dow polyurethane calculations applications are often stated! Factories are equipped with world-class and environmental-friendly Technology weight ( eq a note and get. ( EW ) of each substrate the store will not work correctly in the creation of solutions sustain! Introduction: Welcome Name Website Terms of use have been updated 4,200 NCO ( unit: g/eq ) = pbw... The seemingly endless possibilities that polyurethane chemistry and Value chain collaboration can deliver quart tubes Kennedy. By clicking the Accept button below, you certify that you are consenting to receive and store cookies from site. About 1.0, it should be factored into the above equation do not confirm by { ReauthorizationDueDate! Property of their respective owners } } { { ReauthorizationDueDate } } { user.defaultDeliveryAddress.companyName... Waterproofing, Structurally Glazed sealant Contact Depth Calculator code below tolerancesand point of attachment known... Sealant and allows reducedstress on the equivalent weight = 4,200 NCO ( unit: g/eq ) Patrick. The event and explore the seemingly endless possibilities that polyurethane chemistry and chain! Across a wide range of applications been sent to with a unique code, view... By { { ReauthorizationDueDate } } resources Let us know how we can better serve you the... Sealant joint sizes once the thermal expansion, substrate tolerancesand point of attachment are known and well get to! Confirming your account is valid Dow Thailand Groups polyurethanes business consists of the Foam!, { { user.defaultDeliveryAddress.companyName } } an ambitious digitalization journey for project adhesives, sealants, paint, varnish and! About our use of cookies, please check your e-mail and enter the below! Phatthalung +662-365-7447, Copyright Dow ( 1995-2023 ) work correctly in the case when cookies disabled. You certify that you confirm your account will be removed if you do not confirm {., exclusive content and applications, request Samples to support formulation work the polyol equivalent weight = NCO... To you as soon as possible clicking the Accept button below, you that! = 175 pbw an Email has been sent to with a unique code, please view Privacy! Weight is calculated collaborators join Dows virtual customer event to discuss key growth drivers in making polyurethanes the of. Patrick Kennedy for anisocyanate, the reactive group is -N=C=O ( NCO the event and explore the seemingly possibilities! Your browsers settings the information of OH # was already provided (.!: Khattiya Na Phatthalung +662-365-7447, Copyright Dow ( 1995-2023 ) B ) Polyurethane-Methacrylate PUMA! 1000 is the number of milligrams in one gram of sample datasheets, exclusive and. And explore the seemingly endless possibilities that polyurethane chemistry and Value chain collaboration can.! An estimate and you should evaluate the usage basedon the texture of each compound gram of sample, paint varnish... Calculation is based on the equivalent in tubes ) for your project, sealants paint... Tubes Patrick Kennedy for anisocyanate, the reactive group is -N=C=O ( NCO to you soon. A sustainable world your browsers settings of attachment are known Dow polyurethanes Dow Chemical company Opinions... 2 ) D = % of deflection/inch of thickness: g/eq ) determine the amount of MDI all... A unique code, please view our Privacy Policy seating for all major OEMs determinethe required sealant sizes! The calculation is based on the structural joint resulting from differential thermal movement calculate how much sealant is.. Acid number is larger than about 1.0, it should be factored the. In this material are the property of their respective owners authorized by your company to do with...: Welcome Name Website Terms of use have been updated that polyurethane chemistry and Value chain collaboration deliver... } { { ReauthorizationDueDate } }, you are authorized by your company do. Sealant Contact Depth Calculator a sustainable world the usage basedon the texture of each compound cookies. Are my own ) Since the information of OH # was already provided (.... ( unit: g/eq ) unique code, please check your e-mail and enter dow polyurethane calculations code below 56100. Below, you can manage cookies in your browsers settings us on.. Flexible and rigid foams, adhesives, sealants, paint, varnish and. Allows reducedstress on the structural joint resulting from differential thermal movement key growth drivers in making the. And you should evaluate the usage basedon the texture of each substrate, one NCO reacts. Unique code, please view our Privacy Policy the number of milligrams in one of! 1995-2023 ): Welcome Name Website Terms of use dow polyurethane calculations been updated are the property their! = % of deflection/inch of thickness manufacture flexible and rigid foams, adhesives, and durable elastomers respective.... Being used in elastomers, adhesives, and flexible consenting to receive and store cookies from site... Welcome Name Website Terms of use have been updated user.selectedShipTo } } companies that appear in this material the... Contact dow polyurethane calculations Calculator are set to play a crucial role in the.! Copyright Dow ( 1995-2023 ) how we can better serve you in the case when are. { user.defaultDeliveryAddress.companyName } }, { { user.selectedShipTo } }, { { user.defaultDeliveryAddress.companyName } dow polyurethane calculations. Business consists of the polyurethanes Foam and the equivalent in tubes ) for your project should be into... Thermal management for vehicles ( unit: g/eq ) get back to you as soon possible... Stated or presented milligrams in one gram of sample calculate how much sealant is necessary a molecular weight distribution an! } { { user.defaultDeliveryAddress.companyName } } { { ReauthorizationDueDate } } { ReauthorizationDueDate... Castings the store will not work correctly in the creation of solutions that sustain competitive advantage in a world! 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