Resin manhole covers are a type of manhole cover made from composite materials, often incorporating resins such as fiberglass reinforced polyester (FRP) or other polymer-based materials. Traditional manhole covers are typically made of materials like cast iron or concrete, but resin manhole covers offer several advantages.
Specification:
| Product Name | Composite resin manhole cover |
| Main ingredients | High-strength composite resin, glass fiber, other reinforced auxiliary materials, steel frame |
| Processing technology | High temperature molding |
| Executive standard | CJ/T121-2000、CJ/T211-2005、GB/T 23858-2009 |
| Main classification | According to the shape, it is divided into round and square, and according to the non-use, it is divided into various functional categories (rain and sewage, strong and weak electricity, etc.) |
| Physical parameter | Temperature: -30℃ — +100℃ Barcol hardness: 32 Water absorption: ≤20m Normal insulation resistance: ≥1.0×1013 Ω |
| Application field | Widely used in municipal roads, garden landscape engineering, sports venues, large playgrounds, and housing plots, 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 E600: Areas subject to heavy loads, such as airstrips |
| Advantage characteristics | High strength & Beautiful appearance & Easy to use and light in weight & No & Strong weather resistance & Acid and alkali resistance, corrosion resistance, abrasion resistance, vehicle rolling resistance, long service life. |
Shape & Model
1. Circle
| Model | Size/mm | Load（Ton） | Weight/KG |
| RCM-600-28 | 600*50 | 10 | 28 |
| RCM-600-45 | 600*60 | 50 | 45 |
| RCM-700-37 | 700*50 | 20 | 37 |
| RCM-700-65 | 700*70 | 40 | 65 |
2. Square
| Model | Size/mm | Load（Ton） | Weight/KG |
| RSM-450-13 | 450*450（frame）400*400（cover） | A15 | 13 |
| RSM-500-15 | 500*500*（frame）400*400（cover） | A15 | 15 |
| RSM-550-19 | 550*550*（frame）450*450（cover） | A15 | 19 |
| RSM-600-25 | 600*600*（frame）500*500（cover） | A15 | 25 |
| RSM-700-40 | 700*700*（frame）600*600（cover） | A15 | 40 |
| RSM-800-39 | 800*800*（frame）700*700（cover） | A15 | 39 |
| RSM-800-48 | 800*800*（frame）700*700（cover） | A15 | 48 |
Various Styles of Our Manhole Covers
Installation
Applications
Workshop
Inventory
Package
Roadsky: Your Trusted Manhole Cover Manufacturer and Supplier
RoadSky is a professional manufacturer and supplier of manhole covers in China, providing high-quality, durable, and customizable solutions for municipal, industrial, and commercial projects. With years of experience, advanced production technology, and strict quality control, we ensure every manhole cover meets international standards for safety, strength, and reliability.
Contact Us Today
Discuss Your Project Requirements and Get a Tailored Solution
