Square composite manhole cover

Square composite manhole cover material

The product is made of epoxy resin and glass fiber, mainly composed of high-performance epoxy resin, long glass fiber, natural colored sand, as well as metal or non-metal load-bearing skeleton and some fillers. Epoxy glass fiber reinforced composite material is currently an active and rapidly developing novel composite material internationally. It uses thermoplastic resin as the matrix and glass fiber felt as the reinforcing skeleton, with outstanding characteristics such as good toughness, high strength, low density (only 1/5-1/7 of metals), excellent corrosion resistance and heat resistance.

At present, glass fiber reinforced composite materials are widely used in many industries such as construction, automotive, chemical, electronics, machinery, shipbuilding, etc.

GMT materials have unique characteristics:

1. Good resilience

2. High specific strength (its density is only 1/5-1/7 of that of metals)

3. Excellent impact resistance

4. Excellent aging resistance and corrosion resistance

5. Wide applicable temperature range (-40 ℃~+140 ℃)