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China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale
China Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam for sale

Lupranate M20S Polymeric MDI Part B - 31.5% NCO Content, 200 cps Viscosity for Rigid Polyurethane Foam

Lupranate M20S polymeric MDI with 2.7 functionality for rigid insulation foams, adhesives, and elastomers. Features 31.5% NCO content, 200 cps viscosity, and extended foam rise time. Suitable for molding, spraying applications with 6-month shelf life and industrial packaging options.

Origin China
Molecular Weight Varies, typically 400-3000 g/mol
Customization Available | Customized Request
HS Code 3909310000
Trademark B ASF
Cas No 9016-87-9
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Product Description
Product Overview
Lupranate® M20S is a polymeric MDI (methylene diphenyl diisocyanate) with a functionality of approximately 2.7, designed as Part B in two-component polyurethane systems for durable industrial applications.
Applications
  • Rigid insulation foams via molding, spraying, and frothing
  • Rigid and semi-flexible integral skin foams
  • Adhesives, sealants, and elastomers
  • High-resiliency flexible foams
In low-catalyzed rigid urethane formulations, Lupranate M20S extends foam rise time by 20-30%, providing advantages for large rigid foam panels and molded flexible foams.
Technical Specifications
PropertyValue
AppearanceDark brown liquid
NCO Content31.5 wt. %
Viscosity @ 25°C200 cps
Hydrolyzable Chlorine0.035 wt. %
Flash Point (COC)200°C
Density @ 25°C1.23 g/cm³
Initial Boiling Point (5 mm Hg)190°C
Vapor Pressure @ 25°C0.0002 mm Hg
Storage & Handling
Available in tank cars, tank trucks, and drums. Maintain storage temperature between 15-35°C to prevent viscosity increase or crystallization. Exclude moisture after opening containers.
Shelf Life: 6 months when stored at 15-35°C with moisture exclusion.
Safety Information
These products are used to prepare various polyurethane materials. Polyurethanes are organic materials and must be considered combustible.
Product Images
Lupranate M20S Polymeric MDI chemical product packaging Lupranate M20S industrial chemical drum container Two-component polyurethane foam application using Lupranate M20S Lupranate M20S technical data sheet and specifications Industrial foam insulation produced with Lupranate M20S Quality control testing of Lupranate M20S polyurethane formulations

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