... D400, E600 Material: Sheet Moulding Compoun Specifications14 years Composite Manhole Covers manufacturer: Standard: EN124 Load: A15, B125, ... C250,D400 Material: SMC manhole coversProduct Description:Composite Manhole CoversStandard: EN 124-1994Loading capability: A15+, B125, ... shrinkage additive, MD (fill) and various accessories.SMC Manhole Cover in EN 124 with A15+, B125, C250, D400, ...