DIAB Rigid Foam IPN 20-649 Type 1

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DIAB Rigid Foam IPN 20-649 Type 1 (discontinued **)
Categories:	Other Engineering Material; Composite Core Material; Polymer; Thermoset
Material Notes:	This material was primarily developed for insulation of liquid H₂ fuel tanks for launch vehicles. The material, which is referred to as an Inter-Polymer-Network, consists of a polymeric alloy of a highly cross-linked polyamide-urea and a ductile linear vinyl polymer. The cryogenic properties are good and the material exhibits excellent short-term capability at high temperatures. IPN 20-649 us thermo-formable. Information provided by DIAB, Inc.
Vendors:

Available Properties

Density
Tensile Strength, Ultimate, at 296 K; in Plane
Tensile Strength, Ultimate, at 20K
Elongation at Break, at 20K
Elongation at Break, at 296 K; in Plane
Elongation at Break, at 296 K; Shear Strain; all directions
Tensile Modulus, at 296K; in Plane
Compressive Strength, at 296 K; Through Plane
Compressive Modulus, ASTM D1621-A, at 296 K; Through Plane
Compressive Modulus, ASTM D1621-B, at 296 K; Through Plane
Poissons Ratio
Shear Modulus, at 296K; all directions
Shear Strength, at 296 K; all directions
CTE, linear
Thermal Conductivity, 100K
Thermal Conductivity, 210K
Thermal Conductivity, 310K

Property Data

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Manufacturer Notes:
DIAB Inc.

Category Notes
Plastic

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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