Hebei Woqin provides professional-grade pipe insulation shells with a "Triple-Core" system: Rock Wool, Glass Wool, and Aluminum Silicate. Covering temperatures from -268°C to 1000°C, our Class A1 fire-rated solutions feature 0.044 W/(m·K) conductivity and ≥98% hydrophobicity. Trusted in Dubai and Rotterdam for HVAC and petrochemical thermal protection.
| Category | Core Indicator/Parameter | Technical Index/Specification | Test Standard |
| Core Performance Indicators | Appearance | Flat surface (no use-affecting defects; no axial warpage) | GB/T 11835-2016 Appendix C |
| Key Dimensions & Allowable Deviation | Length: -2~+5mm; Inner Diameter: -3~+4mm; Thickness: -3~+5mm | GB/T 5480-2017 | |
| Thermal Conductivity (70℃) | ≤0.044 W/m·K | GB/T 10297-2015 | |
| Combustion Performance (Class A1) | Combustion Calorific Value ≤2.0 MJ/kg; Furnace Temp Rise ≤30℃; Sustained Burning Time = 0s | GB/T 11442-2007; GB/T 5464-2010 | |
| Hot Load Shrinkage Temperature | ≥600℃ | GB/T 11835-2016 Appendix E | |
| Key Component Limits | ω(Cl⁻)+ω(F⁻) ≤0.0112 (when ω(SiO₃²⁻)+ω(Na⁺)=0.0696) | JC/T 618-2019 | |
| Specification Parameters | Bulk Density | 80-150kg/m³ | Specification |
| Shell Inner Diameter | 18-610mm | Specification | |
| Shell Thickness | 30-200mm | Specification | |
| Shell Length | 1000mm | Specification |
Premium Industrial Pipe Insulation Shells (Triple-Core System)
Match the Core to the Stress:
"In industrial thermal protection, the core material must match the thermal stress of the environment," says Ruibin. We don't sell a single product; we offer a "Triple-Core" System. Whether you need standard steam protection or extreme furnace insulation, we provide the exact shell for your engineering requirement.
Key Technical Data (Certified Benchmark):
The "Triple-Core" Selection Guide:
Why This Matters for Your Project:
💡 Ruibin's Tech Tip:
"Golden Rule: Do not over-compress during installation! A 15% reduction in thickness can degrade thermal performance by 15%. Just provide your pipe size (OD) and temperature, and my team will suggest the ideal density and core material within minutes."
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Get a price for Premium Industrial Pipe Insulation Shells | Rock Wool, Glass Wool & Aluminum Silicate Solutions
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