Wemet Industry Co., Ltd
| Payment Terms | T/T, L/C, D/A, D/P |
| Supply Ability | 3000M2/day |
| Packaging Details | PVC film, metal frame, wooden case |
| Material | PIR(Polyisocyanurate) |
| Joint | Hidden screw type |
| Width | 1000mm |
| Length | 0-13m |
| Thickness | 30mm/50mm/75mm/100mm/120mm/150mm/200mm |
| Density | 42kg/m3 |
| Top steel | PPGI 0.40-0.8mm |
| Bottom steel | PPGI 0.40-0.8mm |
| Color | According customer request |
| Tolerance temperature | 160℃-200℃ |
| Wave height | 40mm |
| Brand Name | WEMET |
| Model Number | WEMET-PR-01 |
| Certification | CE, FM, ISO-9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C, D/A, D/P | Supply Ability | 3000M2/day |
| Packaging Details | PVC film, metal frame, wooden case | Material | PIR(Polyisocyanurate) |
| Joint | Hidden screw type | Width | 1000mm |
| Length | 0-13m | Thickness | 30mm/50mm/75mm/100mm/120mm/150mm/200mm |
| Density | 42kg/m3 | Top steel | PPGI 0.40-0.8mm |
| Bottom steel | PPGI 0.40-0.8mm | Color | According customer request |
| Tolerance temperature | 160℃-200℃ | Wave height | 40mm |
| Brand Name | WEMET | Model Number | WEMET-PR-01 |
| Certification | CE, FM, ISO-9001 | Place of Origin | CHINA |
POILISOCYANURATE is called PIR for short. For the composite boards developed by WEMET, excessive isocyanurate is added and ring structure and higher isocyanurate index are employed in the compounds to form compact PIR products, thus ensuring greater stability and excellent heat and fire resistance for the internal rigid foams. Experiments show that the products can endure a temperature up to 200℃ in short time period or to 160℃ for long time.
Product advantages of PIR(Polyisocyanurate) sandwich roof panels
1. Screw concealed: Hidden screws, roof panels have tight overlapping
2. Unique joint: The unique capillary groove design effectively avoids rainwater seepage and cold bridge phenomenon
3. Energy saving and heat insulation: The closed cell rate is equal to or larger than 97% and the heat insulation performance is excellent.
4. Fire prevention
5. Special wave height:The major rib of 40mm height improves the panel's bearing capacities greatly. The heat preservation effects of buildings are ensured and the building costs of customers are signifi cantly decreased as well. The minimum roof pitch may be 3%.
6. Air tightness and sound insulation: The products have great sound insulation and decrease the sounds due to impacts of rainwater or hailstone.
7. ECO frend product: Being free from formaldehyde and microorganisms,it can be recyclable.
8. Quick construction: Customized according drawing at factory and quick construct at work site
9. Germany production line provide quality assurance: The panels have been applied for over 35 years.
10. High quality service: We provide quality pre-sale and after-sales service
11. Fast delivery time: Our 6 worshops located near to our port, so we can deliver to the port within 2 hours.
Technical specifications of PIR(Polyisocyanurate) sandwich roof panels
| Items | Unit | Measured value | Standard value | Inspection standard |
| Density(Atmospheric temperature) | Kg/m3 | ≥42.9 | ≥30 | ASTM; D1622; GB6343; GB/T6343-95; JC/T868-2000 |
| Heat conductivity coefficient | W/m.k | ≤0.020 | ≤0.022m.℃.h | ASTM; c518; gb10294; cb10294-88 |
| Heat conductivity coefficient | Ng/pa.ms | ≤3.34 | ≤0.027m.℃.h | GB/T17146 |
| Water absorption | g/100cm2 | ≥0.5 | ≤4 | CB/Z228; CB8810-88 |
| Closed-cell rate | % | ≥97 | ≥90 | CB10799 |
| Compressive strength | KPa | ≥220 | ≥150 | CB/8813 |
| Flexural bearing capacity | KN | ≥2450 | ≥1705 | CB/T8812 |
| Continous working temp | ℃ | ’-190~150 | ||
| Oxygen Index | ≥28 | ≥26 | CB2460 | |
| Combustion level | B1 | CB8624 | ||
| Maximum flame spread rate | ≯15 | ≯25 | ASTM E84 | |
| Vertical flammability | Average burning time | ≤7.96 | ≤30 | GB8333 |
| Average burning height | ≤15 | ≤250 | ||
| Dimension stability | ≤1% | ΔV≤4% | ASTM |
Joint of PIR(Polyisocyanurate) sandwich roof panels
Allowable load and Thermal Insulation Coefficient of PIR(Polyisocyanurate) sandwich roof panels
Raw material of PIR(Polyisocyanurate) sandwich roof panels
Product line of PIR(Polyisocyanurate) sandwich roof panels
Package and Loading of PIR(Polyisocyanurate) sandwich roof panels
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
1000000-5000000
Employee Number:
500~700
Ecer Certification：
Active Member
Wemet Industry Co., ltd is one of the market leaders in steel structure, cold storage, clean room, prefab houses, light steel villa, movable toilet, insulated sandwich panels, SIP panels, wall, roof, ceiling, architectural facades, metal fabrication and a wide range of accessories. Wemet Industry Co... Wemet Industry Co., ltd is one of the market leaders in steel structure, cold storage, clean room, prefab houses, light steel villa, movable toilet, insulated sandwich panels, SIP panels, wall, roof, ceiling, architectural facades, metal fabrication and a wide range of accessories. Wemet Industry Co...
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