644*494-60 SMC Manhole cover With Lockable Bolt set C250 /composite manhole cover /rectangle manhole cover
Negotiable /Set
Min.Order:50 Sets
Zhejiang Taizhou Triunion Co., Ltd.
Advantages
1.Non-recycle value for anti-theft.
2.Acid, Alkali and Chemical corrosion, Impact resistant, and Anti-rust, weather-ability, insulating, durable (30years), Locking option. Anti-abrasion: fiberglass content above 28%,when damage, no holistic hole, avoid sudden accident. use the superfine calcium carbonate, good density.
3.Excellent anti-pressure capability: no hole on the surface and no damage of the unlock hole. uses the new raw material, the quality is stable.
4.Weight: just 1/3 of the cast iron one, and 1/2 of the BMC with steel one. Convenient for transport, security check, install, open and rush-repair to reduce work intensity.
5.Appearance: Physical appearance to be nice, smooth, good elastic curve, no distort, easy to open. the cover should not be sprayed on surface but the color must be homogeneous in mixing while casting.
6.environmental protection, Energy saving: pollution-free, the entire process of producing no need massive heat energies, electrical energy and water resources
7.Perfect decoration effect: producing the color match the ground according to the customers demand
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