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FRP manhole cover
FRP cover plate is a type of plate material with certain open area.It is made of unsaturated polyester resin and glass fiber roving.
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Specification:
1 FRP cover plate size:
unit: mm (the other size and colour can be produced as the requirement)
|
Thickness(mm) |
Mesh size(mm) |
Panel size(mm) |
Open area(%) |
|
25
|
40*40 |
1250*4050 |
68 |
|
38*38 |
1220*3660 |
68 |
|
|
38*38 |
1500*3130 |
68 |
|
|
30 |
38*38 |
1220*3660 |
68 |
|
38 |
38*38 |
1220*3660 |
68 |
|
38*38 |
1220*4920 |
68 |
|
|
40 |
40*40 |
1250*4050 |
67 |
|
50 |
50*50 |
1220*3660 |
78 |
|
50*50 |
1220*4020 |
78 |
|
|
30 |
19*19 38*38 |
1220*3660 |
30 |
|
38 |
19*19 38*38 |
1220*4040 |
30 |
|
50 |
19*19 38*38 |
1220*3660 |
30 |
Details:
FRP cover plate is a type of plate material with certain open area.It is made of unsaturated polyester resin and glass fiber roving.And also called as FRP grating(Fiberglass reinforced plastic).The glass fiber roving is intersected weaving at the mold and then pour polyester resin to form the molded grating. The glass fiber roving and polyester resin mixed together to maximize the corrosion resistance performance. Different content of color pigments are added to form transparent, half transparent and non-transparent molded gratings.
