... ,D400 Material: SMC manhole coversProduct Description:Composite Manhole CoversStandard: EN 124-1994Loading capability: A15+, B125, C250, D400, E600Material: Sheet Moulding Compound ( SMC )SMC materialSMC material is short for ... main raw material consists of the GF (fiberglass), UP (unsaturated resin), low-shrinkage additive, MD (fill) and various accessories.SMC Manhole Cover in EN ...