Sewers -- Sell Manhole Cover

Description:
We can also supply various kinds of Composite Material With Regenerated Resin as
per customers' drawings and specifications instead of ductile iron and grey iron
castings, such as Gullet Grate, leak and drainer.

Brief introduction:
The product is cast by mould, with composite material of regenerated resin, compared
with the similar products with cement or steel, it has better capability of anti impact and anti causticity, and more light in weight for easy handle, and can be in different colors, the material is no use for 2nd time, no one will steal it. It is widely used in the checking well of cables, waist water, electrics, gases pipes underground.

Featuress:
1) Against theft: the material is no use for 2nd time, thus no one will steal it.
2) Endurable, anti rust, anti aging, with more life span
3) With more loading capacity, it has strength as steel products, but more tenacity,
it will not brake into pieces
4) Suitable for any temperature (put it into oven at 60 centigrade for 16 hours, then
put it into cold storage at -40 centigrade for 2 hours, the features of it no change)
5) Less noise when cars or trucks go by
6) Colorful, it can be in different colors

Test reports:
1) Temperature endurance: put sample into oven at 60 centigrade for 16 hours, then
put it into cold storage at -40 centigrade for 2 hours, the result is: expand rate
0.35
4) Anti Aging: Put it into a temperature and wet equipment,use Xenon light at
60°C ± >5°C and rain for 500 hours, its anti refraction strength is >3