Product Description

Composite Manhole Covers
Character:

Environmental protection:
High-performance modified sheet material SMC and all raw material can arrive at the environmental protection request. There is no any pollution to environment.
Saving minimal materials:
Under the tension situation of domestic iron ore material, our company research the high-performance modified sheet material SMC to replace the traditional cast iron covers. And it saves the iron ore material.
Anti-corrosion:
This product use the high-performance modified sheet material SMC which has the character of anti-acid, alkali, salt and corrosion; No rust. It can used in any harsh environment. The adopt temperature range is very wide: From -50° To 150°
Polymer composite covers and cast iron covers have the same property, but the polymer composite cover's price is only 2/3 of cast iron cover, the weight of this product is only 2/3 of cast iron cover. It is easy to transport, install, repair and easy construction. This product can reduce the labor-strength.
Because of the special property of high-performance modified sheet material SMC, the product has the beautiful appearance, easy colored, rich colors. We adopt the overall coloring rather than spraying, so the color will last for a long time. The product has the character of product smooth appearance, exquisite appearance. It can coordinate with the floor surroundings. It is beautiful and practical.
Theft-proof:
This material do not have the recovery value. So it can eliminate the theft behavior. It can make up the frequent stolen shortage which was caused by cast iron covers.
This product have the independent researched lock system. We can achieve the well equipment, facility theft-proof. It can completely stop the " city black hole " and take convenient to municipal public department management.
Low noise:
This product is non-metallic material. And there is no Near-piercing metal impact sound under anto rolling. It effectively reduce the noise pollution.
Longevity life:
After the quality test by national construction project quality test centre. This product can bear 200, 0000 times anti-fatigue test. The using life can reach 30 years. It is the perfect replacement of cast iron cover.