FRP manhole cover

详情

Manhole�cover
Manhole�cover,used�for�cover�the�road�or�cover�the�deep�well�in�the�house,prevent�to�somebody�or�subject�drop�off.According�to�the�material�can�divide�into�metal�manhole�cover,high�strength�fiberglass�cement�concrete�manhole�cover,resin�manhole�cover.Usually�use�circle�type.Can�used�for�green�belt,sidewalk,motor�vehicle�road,shipside,alley,etc.
Technical�parameters
Test�load:heavy�type�**0�KN,general�type�**0�KN,light�type�**5�KN
Bending�strength:average�value�*2MPa
Impact�strength:average�value�*0J/m2
Compression�strength:average�value�*5MPa
Tensile�strength:average�value�*0MPa
Modulus�of�elasticity:average�value�***0MPa
Water�absorption�rate:1%
Acid�resistance:*0%
In�the�sulfuric�acid�solution�dip�*8h,on�the�surface�there�no�corrosion,the�quality�loss�is�1%