Gold Member Since 2016
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Changzhou Tianma Group Co., Ltd.

SMC, Fiberglass Reinfornce Plastic Sheet, Sheet Moulding Compound manufacturer / supplier in China, offering General Use SMC Materials Fiberglass Sheet Moulding Compound, Fiberglass Needle Combination Mat, Woven Roving Combo Mat, Fiberglass Woven Roving Combo Mat Pultrusion and so on.

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Supplier Homepage Product Sheet Moulding Compound General Use SMC Materials Fiberglass Sheet Moulding Compound

General Use SMC Materials Fiberglass Sheet Moulding Compound

FOB Price: US $900-2,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $900-2,000/ Ton
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Port: Shanghai, China
Production Capacity: 36000ton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: TM1036
  • Certification: CCS, Dnv, Ios, SGS, RoHS
  • Transport Package: Carton or Wooden Case
  • Origin: Changzhou, China
  • Material: Composite Material
  • Trademark: TIANMA
  • Specification: 1ton/ctn
  • HS Code: 39219090
Product Description
Product Description:
1. The manhole cover is the seal of the top entrance into underground. It is necessary to install the manhole covers if there are places that supply water, drainage, telecommunication, electricity, natural gas, fire control, environmental protection and all of infrastructure. There is a large demand because the manhole covers are installed along the infrastructure, around one cover is laid in the distance of 50m-100m. 
2. Especially in recent years, our country put more investment into the infrastructure and city development, so that a large quantity of covers are needed to protect the cable and wire underground. In addition, brick-laying and lawn manhole covers are applied into the structure of communities. 
3. We also provide composite Gully Gratings which are the covers installed on the side roads, drainage ditches around residential districts and so on. There are almost more than five times of manhole covers in demand. 

SMC/FRP Composite Manhole Cover Advantages: 
1. Against theft
JINMENG SMC manhole cover is non-metallic, non-conductive and non-sparking. It has no value of recycling, thus completely solving the problems caused by theft. 
2. High load capacity
SMC manhole cover main components are fibreglass and unsaturated resin. JINMENG's patent is W-SMC which is the whole and the most hard material. It is strong enough to support any load. There's no problem for its load capacity as strong as ductile iron. JINMENG's existing moulds load capacity are A15, B125, C250, D400, E600. 
3. Free design
It can be designed according to the user's demands, including color, logo, surface pattern, and any other specification. 
4. Long life
Range of UV stable colours available that will not flake or crack. Minimum lifespan of 30 maintenance free years. 
5. Well sealed
It can be used hermetically, and effectively prevent those poisonous gases leaking out from cesspool. Well sealled, no noise pollution or rebound. 
6. Good wear and corrosion resistance
It will never rust because it has good wear and corrosion resistance. 
7. High and low temperature resistance
Excellent insulator against heat ( from -40 degree to 300 degree)
8. Lighter weight and more competitive price
Compared with cast iron manhole covers, the weight of composite manhole cover especially SMC manhole cover is lighter. The result is composite manhole cover is more convenient to transport, install and repair. 
In all, the price of composite manhole cover is much lower than the same specification cast iron covers.

Properties of SMC material:
Testing method
Normal value
Test value
Physical properties
g/cm 3
GB/T 1033
1.75 ~ 1.95
Water absorptivity
ISO 62
Mold shrinkage
ISO 3521
Mechanical properties
Bend strength
GB/T 1042
Determination of charpy impact strength
KJ/m 2
ISO 179
Thermal property
Heat distortion temperature
ASTM D-648
Combustion performance (UL94)
IEC 60707
Smoke toxicity
GB/T 20285
ZA 2 
Classification of burning behavior
EN 13501-1
Smoke density
GB/T 8627
Dielectric properties
Insulation resistance (normal state)
IEC 60093
≥1.0×10 13
3.0×10 13
Insulation resistance (24h water soaking)
IEC 60093
≥1.0×10 12
5.3×10 12
Dielectric strength
ASTM D-149
Dielectric loss tangent
ASTM D-150
Dielectric constant
ASTM D-150
Arc resistance
IEC 61621
Proof tracking index (PTI)
IEC 60112

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