| Technical Data | |||
|---|---|---|---|
| Property | Unit | Value | Test Method |
| Temperature range | °C | (-50 - 110) | GB/T 17794-1999 |
| Density range | Kg/m3 | 45-65Kg/m3 | ASTM D1667 |
| Water vapor permeability | Kg/(m.s.pa) | ≤0.91×10 ﹣¹³ | DIN 52 615 / BS 4370 Part 2 1973 |
| μ | - | ≥10000 | |
| Thermal Conductivity | W/(m.k) | ≤0.030 (-20°C) | ASTM C 518 |
| ≤0.032 (0°C) | |||
| ≤0.036 (40°C) | |||
| Fire Rating | - | Class 0 & Class 1 | BS 476 Part 6 part 7 |
| Flame Spread and Smoke Developed Index | - | 25/50 | ASTM E 84 |
| Oxygen Index | - | ≥36 | GB/T 2406, ISO4589 |
| Water Absorption, % by Volume | % | 20% | ASTM C 209 |
| Dimension Stability | - | ≤5 | ASTM C534 |
| Fungi resistance | - | Good | ASTM 21 |
| Ozone resistance | Good | GB/T 7762-1987 | |
| Resistance to U.V. and weather | Good | ASTM G23 | |













Q1: What are the main benefits of using this insulation tube?
A1: It improves building energy efficiency, reduces exterior noise transmission, absorbs indoor reverberations, provides excellent thermal efficiency, and keeps buildings comfortable in both winter and summer.
Q2: What materials and structures are used in this insulation?
A2: The insulation features a closed-cell construction. This provides excellent resistance against cold, water, and fire while ensuring a low thermal conductivity rate.
Q3: In which industries can this insulation product be applied?
A3: It is widely utilized in large-scale central air conditioning systems, home AC systems, general construction, chemical processing, textile manufacturing, and various electrical industries.
Q4: What are the fire and safety ratings of the insulation material?
A4: The material achieves Class 0 & Class 1 fire ratings according to BS 476 Part 6 & Part 7, and has a flame spread/smoke developed index of 25/50 under ASTM E 84 testing.
Q5: How is the product packaged and shipped?
A5: The insulation tubes are packed securely in export standard cartons. Custom OEM packaging solutions can also be supplied based on customer requirements.