CLOSEDCELLNEOPRENE/EPDMSPONGE Material:BlendofexpandedneopreneandexpandedEPDM. ASTMDesignation:D-1056-68SCE42 ASTMDesignation: D-1056-78 RE42 ASTM Designation: D1056-85 2A2 Suffix letters CE E MP MIL-R-6130C: 11-A Type grade: soft Condition: medium ...