... roll 3PCS(including round roller 1PCS); Rubber hardness shore 38C± 2). Compression section: Dia800× 3750mm natural marble roller 1 PCS, dia750× 3750mm rubber roll ... 1PCS, rubber hardness shore 90C± 2, pneumatic pressure device. ... ; 2ND dryer sectiondia500× 3750mm opposite pressurized roll 1 PCS, rubber hardness shore 90C± 2, 2ND dryer ...