Chinese wholesale twin wall polycarbonate - SINHAI 20mm multiwall fourlayer hollow greenhouse polycarbonate sheet – Sinhai
Chinese wholesale twin wall polycarbonate - SINHAI 20mm multiwall fourlayer hollow greenhouse polycarbonate sheet – Sinhai Detail:
The surface of the multiwall polycarbonate sheet is evenly distributed with a high-concentration UV anti-uv co-extruded layer, which can best block the damage of ultraviolet rays to the board and prolong the service life of the sheet. (Products are divided into single-sided UV and double-sided UV).
The multi-layer polycarbonate sheet has stronger impact resistance and better heat preservation effect, suitable for greenhouse.
Product | Multiwall polycarbonate sheet |
Material | 100% virgin bayer/sabic polycarbonate resin |
Thickness | 8mm-20mm |
Color | Clear, Blue, Lake Blue,Green, Bronze, Opal or Customized |
Width | 1220, 1800, 2100mm or customized |
Length | 2400, 5800, 6000, 11800, 12000mm or customized |
Warranty | 10-Year |
Surface | UV protection is added for free |
Technology | Co-extrusion |
Free sample | YES |
Price term | EXW/FOB/C&F/CIF |
Product Feature
|
U.M. |
PC |
PMMA |
PVC |
PET |
GRP |
GLASS |
Density |
g/cm³ |
1.20 |
1.19 |
1.38 |
1.33 |
1.42 |
2.50 |
Strength |
K.J/m² |
70 |
2 |
4 |
3 |
1.2 |
- |
Modulus of elasticity |
N/mm² |
2300 |
3200 |
3200 |
2450 |
6000 |
70000 |
Linear thermal expansion |
1/℃ |
6.5×10-5 |
7.5×10-5 |
6.7×10-5 |
5.0×10-5 |
3.2×10-5 |
0.9×10-5 |
Thermal conductivity |
W/m.k |
0.20 |
0.19 |
0.13 |
0.24 |
0.15 |
1.3 |
Max.service temperature |
℃ |
120 |
90 |
60 |
80 |
140 |
240 |
UV transparency |
% |
4 |
40 |
nd |
nd |
19 |
80 |
Fire performance |
- |
very good |
poor |
good |
good |
poor |
fireproof |
Resistance to weathering |
- |
good |
very good |
poor |
fair |
poor |
excellent |
Chemical compatibility |
- |
fair |
fair |
good |
good |
good |
Very good |
Why Choose US
Product Application
1.Daylighting ceilings for office buildings, department stores, hotels, villas, schools, hospitals, stadiums, entertainment centers and public facilities.
2. Noise barriers for expressways, railways and urban elevated roads.
3. The canopy of modern plant greenhouses and indoor swimming pools.
4. Canopies for subway entrances and exits, stations, parking lots, shopping malls, pavilions, lounges, and corridors.
5. Safe lighting materials for airports and factories.
Product detail pictures:



Related Product Guide:
The last two years,the global polycarbonate sheet market is in a leading position in terms of demand, revenue and business growth
We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for Chinese wholesale twin wall polycarbonate - SINHAI 20mm multiwall fourlayer hollow greenhouse polycarbonate sheet – Sinhai , The product will supply to all over the world, such as: Costa Rica , Serbia , Rwanda , During the 10 years of operating, our company always try our best to bring consumption satisfaction for user, built a brand name for ourselves and a solid position in the international market with major partners come from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. Last but not least, price of our products are very suitable and have fairly high competition with other companies.

This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
