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outdoorcompositedeck
7 Messaggi |
 Postato il 07/30/2022 : 12:15:48
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The biggest feature of resin composite manhole cover is made of polymer composite material, without any recycling value. After the promotion of resin manhole cover, the problem of stealing manhole cover caused by urban black hole will be solved. Different from the manhole cover on the market, it is pressed by hydraulic press, the impact strength is greater. Resin composite manhole cover is made of glass fiber and resin as the basic material, with curing agent, promoter and so on as the auxiliary material. It weighs two-thirds lighter than the cast iron manhole cover, the service life is more than 20 years, is one times the cast iron manhole cover, and the price is only 80% of the cast iron manhole cover.
Fiberglass manhole cover
https://www.smchinacover.com/glass-reinforced-plastic-cover-from-china-factory-grp-manhole-cover.html |
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The biggest feature of resin composite manhole cov
