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What's BMC Manhole Cover?

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Today let's us introduce the BMC manhole cover:
BMC (Bulk Molding Compound / group-like plastic)make the unsaturated resin as matrix material, with 30-50mm short fiber materials as the reinforcing material, with CaCO3 as filler, as prefabricated molding. BMC molding covers--- mold plastic with reinforced ,then under a certain temperature and pressure to be formed ) that covers are made of reinforcing material ,which is a short 30-50mm staple fiber composite material formed of continuous fiber strength of only 20-30%), the structure of the composite manhole cover with the ribs as flat bottom .All the materials are composite and environmental.
sewer cover
Using the structure of pot bottom style (loading equally),other than the one of ribbing style (loading centrally),the strength supporting area will extend by more than ten or dozens of times. Therefore, the ability of strength sustaining will be more excellent.
BMC sewer cover also have great performance and the features as below:
The anti-theft manhole cover is mainly to prevent thieves from stealing the manhole cover and avoid pedestrian accidents. It mainly adopts six different kinds of anti-theft methods: first: iron chain connection method; second: with hinge; third: anti-rotation technique, fourth: the bolt-blocking technique; fifth: the lock key method; sixth: the fork joint linkage
Anti-sounding is mainly to prevent the car and pedestrian fire objects from escaping when they pass.
A flexible cir-clip is added between the manhole cover and the manhole cover to fix the manhole cover on the well ring, thus solving the problem of the manhole cover jumping.
4. fall prevention
The manhole cover and the well ring are connected together by folds, so that the problem of fall prevention is well solved.
Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specializing and exporting SMC and BMC manhole cover, drain grating ,tree-grating, gully grating. Strictly in accordance with BS EN124 and have obtained various kinds of certificates. Till now, our competitive products not only have good market in domestic, but also owned a large overseas market with a high reputation.
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