1.1 This classification covers the compounding material known as ground coal. It is generally used in rubber compounds as a filler.
1.2 There are three grades of ground coal based on particle size, ash, and moisture. The selected values for these properties are suitable for use in a rubber compound.
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM D5377-93(2002) |
| Product Name | Standard Classification for Rubber Compounding Materials-Ground Coal |