700-110mm high quality anti-theft SMC(sheet molding compound) round manhole cover

Zhejiang, China
Minimum Order
100 sets
Carton/wooden box
7-15 days after payment

• Type: Plastic Manhole Cover
• Place of Origin: Zhejiang, China (Mainland)
• Brand Name: YQ
• Model Number: YQ-MC002
• Description: SMC composite manhole cover
• Color: Black, green etc
• Shape: Round


SMC/BMC(DMC) composite manhole cover

1.EN 124 certificate.

2.W-SMC sheet patent.

3.Best quality in China.

4.OEM and ODM as demands

What is SMC?

SMC is Abbreviation of “Sheet Moulding Compound”. SMC is mainly produced by the raw materials of fibergalss, UP resin, low profile additive and other fillers.

SMC reinforced plastic materials have good performance on mechanical strength, anti-corrosive, dielectric strength, arc resistance, fire-retardant and have low density, low production cost, long life duration. Its final product can be flexibly designed and it is easy for scale production. It is widely applied in the electrical equipment, automobile industrial, construction field, communication product, railway industrial and so on. 

Specifications of SMC-1

 Physical properties                       Unit     SMC-1
1   Specific gravityg/cm31.75—1.95
2Water absorptionmg≤20
3Shrink rate%≤0.15
4Heat deflection temperature°C≥240
5Izod impact strength notchedKJ /m2≥90
6Flexural strengthMPa≥170
7Insulation  resistanceΩ≥1.0×1013
8Dielectric strength (at 90°C in oil)MV/m≥12
9Dielectric loss factor (at 1 MHz ) ≤0.015
10Dielectric constant ((at 1 MHz )              ≤4.5
11Surface resistivity≥180           
12Tracking resistivity (PTI)V≥600
13Flammability FV0
14Long term heat resistance temperature 155

Features of smc/bmc material

1. Easy production process.

2. The bmc products advantages:

(1) High strength, light weight

(2) No shrinkage

(3) A grade-surface

(4) Inflaming FV0 (the most senior nonmetallic materials)

(5) Long life: more than 20 years

(6) Stable product performance

Features of smc manhole covers:

1. Anti-theft: this product is made of polymer composites by heat mould pressing, no recovery value.

2. Convenience and artistic appearance: the weight is only one third that of the iron one with the same spec, so it is easy to install and maintain, besides it can be designed according to customers requirement. 
3. Long service life: acid and alkali resistance, no rust, electrical insulation, abrasion resistance and weather resistance. And the service life is over 30 years.
4. High precision: this product is made by high temperature mould pressing, the gap between the base and the cover is small, it over comes the issue of running, jumping and sounding which happened on the cast-iron, cement ones. Composite material manhole cover is also widely applied in new factory construction and distribution room for cable cover.
5. Free design:Composite material itself allows for innovative design features, clint logo is available as an option.
Much more clear resolution ratio of surface design than cast iron or BMC.


Zhejiang Yueqing SMC&BMC Manufacture Factory is built in 1988. After 27 years development, it becomes the most professional and biggest supplier of SMC&BMC molding compounds in China.

Due to the management of ISO9001 and policy in our factory, our SMC&BMC is approved good by IQTC, IMAL in China. They catch up to the standard of JB7770-1995 and GB/T23641-2009. The material also gets the certificates of UL94, RoHS etc. Now, we are in cooperation with some international companies, like CHINT, DELIXI, Schneider, ABB, Siemens, Toshiba, Mitsubishi etc.

For our factory, Its production capacity is more than 50,000 tons every year. With more than 30pcs kneading machine for large scale BMC production, two production lines for SMC, fully equipped testing room, our factory has independent ability for researching and developing. As our policy of human oriented and quality first, we stay on the top of SMC&BMC production and sales in the industry in China for 20 years.

SMC&BMC molding compounds has excellent performance on electric insulation, heat resistance, inflaming retarding and mechanical strength. They also have features of reasonable formulation, advance technology, easy molding, low shrink rate, high dimension accuracy and good processability. So they are widely used in distribution box, meter box, manhole cover, switch cover, automobile parts and accessories, various insulation parts, integrated bathroom, antistatic products of anti-explosion electric appliance and home appliance parts etc. The injection BMC also can meet some specialized request of plastic package products, like high dimension accurate products and its varnished wire, micro motor etc.

Welcome old and new clients to our factory and cooperating with us!

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Zhejiang Yueqing Rensin Manufacture Factory

China China
Contact Person: Misally Wang
Telephone: +86 571 8897 5222
Location: Zhejiang, China
Fax:+86 571 8662 0111
Business Type:Manufacturer
Main Target Region:World Wide
Xinghu Rd 78#, Yueqing City
Main Product:
smc bmc, sheet molding compound, bulk molding compound, manhole cover, meter box
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