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 Woven Roving Combo Mat Emk600/300, Fiberglass Chopped Strand Mat for Boating --Csm300 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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Production Capacity: 36000ton
Transport Package: Carton or Wooden Case
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
  • Specification: 1ton/ctn
  • HS Code: 39219090
  • Material: Composite Material
  • Trademark: TIANMA
  • Origin: Changzhou, China
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:
Specifications
 
Unit
 
Testing method
 
Normal value
 
Test value
 
Physical properties
 
Density
 
g/cm 3
 
GB/T 1033
 
1.75 ~ 1.95
 
1.81
 
Water absorptivity
 
mg
 
ISO 62
 
≤20
 
18.3
 
Mold shrinkage
 
%
 
ISO 3521
 
≤0.15
 
0.08
 
Mechanical properties
 
Bend strength
 
MPa
 
GB/T 1042
 
≥170
 
210
 
Determination of charpy impact strength
 
KJ/m 2
 
ISO 179
 
≥90
 
124
 
Thermal property
 
Heat distortion temperature
 
 
 
ASTM D-648
 
≥240
 
240
 
Flammability
 
Combustion performance (UL94)
 
CLASS
 
IEC 60707
 
FV0
 
FV0
 
Smoke toxicity
 
-
 
GB/T 20285
 
-
 
ZA 2 
 
Classification of burning behavior
 
-
 
EN 13501-1
 
-
 
B2
 
Smoke density
 
-
 
GB/T 8627
 
-
 
22
 
Dielectric properties
 
Insulation resistance (normal state)
 
Ω
 
IEC 60093
 
≥1.0×10 13
 
3.0×10 13
 
Insulation resistance (24h water soaking)
 
Ω
 
IEC 60093
 
≥1.0×10 12
 
5.3×10 12
 
Dielectric strength
 
kV/mm
 
ASTM D-149
 
≥12
 
17.1
 
Dielectric loss tangent
 
-
 
ASTM D-150
 
≤0.015
 
0.005
 
Dielectric constant
 
-
 
ASTM D-150
 
≤4.5
 
4.1
 
Arc resistance
 
S
 
IEC 61621
 
≥180
 
190
 
Proof tracking index (PTI)
 
V
 
IEC 60112
 
≥600
 
600
 

 
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