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The materials of the BMC composite manhole cover manhole cover and discussion

Time:6/8/2013 5:52:51 PM  Hit:



Cast iron manhole covers are available for many years, now composite manhole cover has been rapid development, BMC covers materials refers to the unsaturated resin and short fiber for hybrid material manhole, the manhole cover has the advantages of very distinctive, easily available materials, low cost, easy production, light weight, corrosion resistance.

A lot of people will come very naturally with composite BMC covers and the traditional cast iron manhole covers to compare, in fact even then fine, also not conceal light composite manhole covers BMC, BMC have a big advantage, with anti-theft natural, officially called thieves don't steal good cover.

BMC's weakness is the bearing capacity of cast iron manhole cover after all not so big, it is generally used for non trunk road use.


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