Standard Specification for Flexible Cellular Rubber Chemically Blown
NORMA vydána dne 1.7.2020
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Designation standards: ASTM D6576-20
Publication date standards: 1.7.2020
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
This specification establishes requirements for chemically blown cellular rubber. Cellular rubber may be classified into two types: Type I which is open cell or sponge rubber and Type II which is closed cell or expanded rubber. Both types are divided into three grades: Grade A which is oil-and flame-resistant, Grade B which has no requirements for oil ,flame resistance, or low temperature, and Grade C which is low-temperature resistant. Each type and class has been divided into three different conditions. Each condition is based on a specific range of firmness as expressed by compression deflection as follows: super soft, soft, soft-medium, medium, medium-firm, and firm conditions. Several tests shall be performed in order to determine the following physical properties of cellular rubber: compression deflection, low-temperature resistance, accelerated aging, recovery, flame resistance, shrinkage, water absorption, oil aging, and color.
Keywords:
cellular, closed-cell, elastomeric, flexible, open cell, rubber,, ICS Number Code 83.100 (Cellular materials)