📊 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) ≤0.032 (0°C) ≤0.036 (40°C) |
ASTM C 518 |
| 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 |
💡 Product Overview
With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles, which makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.
🏆 Certifications & Standards
Our insulation products have passed international certificates to ensure the highest quality and safety standards.
BS476
UL94
CE
AS1530
DIN
REACH
RoHS
🏭 Production & Warehouse Display
❓ Frequently Asked Questions (FAQ)
Q1: What is the main raw material of this heat-insulating material?
A1: The material is primarily made from nitrile rubber, which is foamed to create a flexible rubber-plastic heat-insulating material featuring completely closed bubbles.
Q2: What is the operating temperature range for this insulation material?
A2: The temperature range is from -50°C to 110°C, tested in compliance with the GB/T 17794-1999 standard.
Q3: How does the material perform regarding fire safety?
A3: The insulation material is rated Class 0 and Class 1 under the BS 476 Part 6 and Part 7 fire tests. It also achieves a Flame Spread and Smoke Developed Index of 25/50 based on ASTM E 84.
Q4: What is the thermal conductivity of this insulation product?
A4: According to ASTM C 518, the thermal conductivity values are ≤0.030 W/(m.k) at -20°C, ≤0.032 W/(m.k) at 0°C, and ≤0.036 W/(m.k) at 40°C.
Q5: Is this material resistant to environmental factors like UV and mold?
A5: Yes, it offers good resistance against fungi (ASTM 21), ozone (GB/T 7762-1987), and U.V. & weather exposure (ASTM G23).
Q6: What certificates do these insulation products hold?
A6: These insulation products have successfully passed BS476, UL94, CE, AS1530, DIN, REACH, and RoHS standards to guarantee consistent and reliable quality.