Composite resin manhole cover

Product name

Composite resin manhole cover

Main components

high-strength composite resin, glass fiber, other reinforced auxiliary materials, steel frame

Processing technology

 High temperature molding

Executive standard

CJ/T121-2000, CJ/7211 -2005, GB/T23858-2009

Main categories

According to different shapes, it is divided into round and square,
according to different uses, it is divided into various functional categories (rainwater, sewage, strong and weak electricity, etc.)

Physical parameter

Temperature:-30℃-+100℃
Barcol hardness: 32
Water absorption: s20m
Normal insulation resistance: 21.0×1013Ω

Application field

Widely used in municipal roads, garden landscape engineering,
sports venues, large playgrounds, residential areas, etc.

Technical grade

A15: Areas used for driving and parking of non-motorized vehicles such as                           sidewalks, green spaces, residential quarters, etc.
B125: Roads and venues where light motor vehicles are parked
C250: Areas such as roads and parking lots for motor vehicles
D400: Main roads, freight stations, wharfs and other roads and sites where heavy vehicles frequently travel

Advantage characteristics

1. High strength: It has high compressive, flexural, impact-resistant strength and toughness. After long-term use, the product will not appear to be crushed and damaged.
2. Beautiful appearance: The surface pattern is exquisitely designed, and the color is bright and adjustable, which can beautify the urban environment.
3. Easy to use and light in weight: The weight of the product is only about one-third of that of cast iron, which is convenient for transportation, installation, and repair, greatly reducing