Wholesale Flexible Rubber Foam Insulation Pipe Manufacturers, Pricelist

Kingflex rubber foam insulation tube is made from the nitrile-butadiene rubber (NBR) and polyvinyl chloride(PVC) as main raw material and other high quality auxiliary materials through foaming, which is closed cell elastermic material,fire resistance, UV-anti and environmental friendly. It can be widely used for air condition, construction, chemical industry, medicine, light industry and so on. 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).

Product Description

🔥 Excellent fire-resistance performance & Sound absorption
📉 Low thermal conductivity (K-Value)
💧 Good moisture resistance
🛡️ No crust rough skin
🌀 Good pliability and good anti-vibration
🌱 Environmentally friendly
🛠️ Easy to install & Nice appearance
💨 High oxygen index and low smoke density
Technical Data Sheet
Technical Data Sheet
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 G21
Ozone resistance Good GB/T 7762-1987
Resistance to U.V. and weather Good ASTM G23
Product Showcase
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Custom Order Instructions
1
It is better to send us your drawing first, as most of our products are customized.
2
Please inform the work environment and your other requirements (e.g. size, material, hardness, color, tolerance, etc.) for quoting a right price.
3
A good price will be quoted after the confirmation of the details.
4
Before mass production, a sample checking is a must to ensure everything is going right.
Frequently Asked Questions
What is the temperature range this insulation material can withstand?
The material exhibits excellent performance within a temperature range of -50°C to 110°C, tested under GB/T 17794-1999 standards.
Are your products available in standard sizes or customized configurations?
Most of our products are customized. It is highly recommended to send us your technical drawings first so we can tailor the size, material, hardness, and tolerances to your requirements.
What fire safety ratings do these products meet?
Our insulation products achieve Class 0 & Class 1 fire ratings according to BS 476 Part 6 & Part 7 standards, ensuring high oxygen index and low smoke density.
How is the thermal conductivity of this material tested?
The thermal conductivity is tested under ASTM C 518 standards, achieving values ≤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.
How do you ensure the quality of customized products before bulk production?
Before proceeding to mass production, a sample checking process is mandatory. This ensures that the final specifications match your requirements perfectly.
How does the material perform against environment threats like ozone or UV?
The material has proven good resistance against UV, weather, ozone, and fungi, conforming to ASTM G23, GB/T 7762-1987, and ASTM G21 standards.

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