NBR PVC rubber foam insulation tube has excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance, and atmospheric aging resistance. It has been widely used in aerospace, aviation, automotive, petroleum, and household appliances.
- Nominal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″, 1″, 1-1/4”, 1-1/2″ and 2” (6, 9, 13, 19, 25, 32, 40 and 50mm)
- Standard Length with 6ft (1.83m) or 6.2ft (2m).
Technical Data Specifications
| 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 |
Key Advantages
01
Excellent fire-resistance performance & Sound absorption.
02
Low thermal conductivity (K-Value).
03
Good moisture resistance.
05
Good pliability and good anti-vibration.
06
Environmentally friendly.
07
Easy to install & Nice appearance.
08
High oxygen index and low smoke density.
Service Commitment
High quality standard control.
Fast and responsive customer service.
Win-win cooperation model.
Free product samples available.
24-hour emergency response system.
Full quality guarantee program.
Customized product support.
Frequently Asked Questions
What are the primary applications for NBR PVC rubber foam insulation?
Due to its excellent heat, oxidation, oil, and corrosion resistance, NBR PVC rubber foam insulation is widely utilized in aerospace, aviation, automotive, petroleum, and household appliance industries.
What wall thicknesses and lengths are standard for these insulation tubes?
The insulation tubes are available in nominal wall thicknesses ranging from 1/4" (6mm) up to 2" (50mm). The standard lengths provided are 6 feet (1.83 meters) or 6.2 feet (2 meters).
How does the thermal conductivity perform at different temperatures?
The material exhibits low thermal conductivity (K-Value), with measurements of ≤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, tested in compliance with ASTM C 518 standards.
What are the fire safety ratings of this NBR PVC insulation?
It achieves a Class 0 and Class 1 fire rating according to BS 476 Part 6 and Part 7. It also maintains a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84, alongside a high oxygen index of ≥36.
Does this insulation offer protection against environmental elements?
Yes, the material exhibits excellent resistant properties, including high resistance to moisture, fungi (ASTM 21), ozone (GB/T 7762-1987), and weathering/UV exposure (ASTM G23).
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