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Manhole cover Encyclopedia: FRP manhole cover is plastic manhole cover?

Is a FRP manhole cover a plastic manhole cover? This is a question many first-time FRP manhole cover buyers ask. the inspection manhole cover GB/T23858-2009 standard issued by the state in 2009, which clearly defines the composite manhole cover as a kind of inspection manhole cover, and explains its characteristics: using polymer as the matrix material, adding reinforcement materials, filling materials, etc., through a certain process of composite inspection manhole cover. The new national standard has increased the load requirements of the manhole cover and is in line with the internationally accepted EN124 standard. The standard is effective from February 1, 2010.

2023-10

WHY COMPOSITE MANHOLE COVERS ARE THE BEST CHOICE FOR GAS STATIONS RENOVATIONS?_COMPOSITE MANHOLE COVERS ARE THE BEST CHOICE FOR GAS STATIONS RENOVATIONS,GAS STATION MANHOLE COVERS,COMPOSITE MANHOLE COVERS,SMC MANHOLE COVERS

With the development of composite material manhole covers in recent years, because of its various advantages, composite manhole covers are gradually replacing the most commonly used ductile iron manhole covers in gas stations, and become the best manhole cover choice for new gas stations or gas station renovations.

2023-10

How to test the quality of composite manhole cover?

Before the composite manhole cover leaves the factory, it is generally necessary to do some tests to ensure the quality of the product, of which one is to do the acid and alkali resistance test. The acid and alkali resistance test is to check whether the acid and alkali strength of the product is passed. The detection methods are as follows:

2023-10

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