ASTM D 3770 : 1991
Withdrawn
Specification for Flexible Cellular Materials-High-Resilience Polyurethane Foam (HR) and Combustion Modified High Resilience (CMHR) Polyurethane Foam (Withdrawn 1998)
English
01-01-1991
12-31-1998
CONTAINED IN VOL 08.02 1999 Minimum physical characteristics and other criteria for flexible high-resilience polyurethane foam (HR).
| Committee |
D 20
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Withdrawn
|
1.1 This specification covers the minimum physical properties and other requirements for high-resilience polyurethane foam (HR) and combustion modified high resilience polyurethane foams (CMHR).
1.2 Combustion modified high resilience polyurethane foams are high resilience foams that have been modified to meet specific flammability requirements.
1.3 This specification includes references to government regulations for burning characteristics of flexible cellular materials used in specific applications (see Table 1).
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