frp manhole cover:

Our company can produce all kinds of composite manhole cover, the standard is Europe standard and China standard.

The material:

i)      unsaturated polyester resin(UP) (Iso type resin, vinyl ester resin)

ii)     glass fiber (E-glass 2400 Tex)

iii)    Quartz

iv)    corundum

v)     Antioxidant

vi)    firming agent

vii)   promoter

viii)  UV additive

ix)   ethylene-propylene-diene-monomer

x)    Cr13

xi)   other auxiliary materials

The standard:

Europe standard

China standard

Load ability:

A15(can load 1.5ton)

B125 (can load 12.5ton)

C250(can load 25ton)

D400(can load 40ton)