ASTM D 3770 : 1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for Flexible Cellular Materials-High-Resilience Polyurethane Foam (HR) and Combustion Modified High Resilience (CMHR) Polyurethane Foam (Withdrawn 1998)
Hardcopy , PDF
12-31-1998
English
01-01-1991
Important note : All end users must be registered with an Account prior to user licenses being assigned.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Withdrawn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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