rubber conveyor belt specification for coal handling

All Price Coal Belts meet ASTM D257 conductivity tests of OSHA Coal Belt Stk32 for Abrasion 2100 lb tensile 525 elongation 1000 lb modulus 65 duro Some coal seams are full of highly abrasive grit rock slag and dirt This special compound for abrasion extends the belt life to delay the time and expense of replacement