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.
Standard Specifications
- 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 |
| 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 & 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 G21 |
| Ozone resistance |
Good |
GB/T 7762-1987 |
| Resistance to U.V. and weather |
Good |
ASTM G23 |
Product Performance advantages
1. Fire & Sound Safety
Excellent fire-resistance performance & sound absorption.
2. Thermal Efficiency
Low thermal conductivity (K-Value) for optimal energy retention.
3. Moisture Protection
Good moisture resistance to prevent condensation.
4. Premium Surface
Smooth outer finish with no crust rough skin.
5. High Flexibility
Good pliability and exceptional anti-vibration qualities.
6. Eco-Friendly
Environmentally safe materials and construction.
7. Simple Installation
Easy to install with a clean, nice visual appearance.
8. High Oxygen Index
Engineered with a high oxygen index and low smoke density.
Our Commitments & Service
- Uncompromised Quality: Our core focus is delivering top-tier product performance.
- Efficiency First: Speed and dedication in fulfilling all customer requirements.
- Mutual Success: Operating under a customer-first business philosophy.
- Free Samples: Product samples are provided free of charge for quality validation.
- 24/7 Response: Round-the-clock rapid assistance for emergency requirements.
- Full Accountability: Comprehensive quality guarantee with end-to-end support.
- OEM Customization: Professional OEM services tailored to unique system needs.
Frequently Asked Questions
What are the typical applications of NBR PVC rubber foam insulation tubes?
These insulation tubes are widely utilized in aerospace, aviation, automotive, petroleum, and household appliance industries due to their outstanding heat resistance, oil resistance, and corrosion resistance.
What thicknesses and lengths are standard for these tubes?
Nominal wall thicknesses range from 1/4” to 2” (specifically 6, 9, 13, 19, 25, 32, 40, and 50mm). The standard lengths available are 6ft (1.83m) and 6.2ft (2m).
What is the fire safety rating of this insulation material?
The material achieves Class 0 & Class 1 fire ratings according to BS 476 Part 6 and 7 testing standards. It also features a flame spread and smoke developed index of 25/50 (ASTM E 84) and an oxygen index of ≥36.
Does the rubber foam insulation offer moisture protection?
Yes, it provides good moisture resistance with low water vapor permeability (≤0.91×10⁻¹³ Kg/(m.s.pa) as per DIN 52 615 / BS 4370) and a water absorption rating of 20% by volume (ASTM C 209).
Are free product samples available?
Yes, product samples can be provided free of charge to help customers evaluate the quality and technical fit for their project needs.
Can you manufacture custom sizes or support OEM?
Yes, OEM is fully welcome. Custom specifications can be supported according to client requirements.
Kingflex
