Wholesale Rubber elastomeric foam insulation tube Factory, Factories

Kingflex rubber foam insulation tube is a flexible closed cell thermal insulation material foamed from rubber as the main raw material. It has no fiber dust, no formaldehyde, and no chlorofluorocarbons. It is suitable for mediums that destroy the ozone layer. Thermal insulation of various pipes and equipment between -50℃-110℃.

Product Description

Insulation Material Details
Insulation Material Performance
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
Closed-cell Rubber Foam Application

Closed-cell rubber foam insulation material is designed for the thermal insulation of large tanks and pipes in commercial, industrial, and residential construction. It is highly suited for central air-conditioning ducts, household air-conditioning joints, and automotive air conditioning systems.

🔥 BS 476 Fire Performance
💧 Condensation Prevention
❄️ Frost Protection
Energy Saver
🛠️ Superior Flexibility & Easy Installation
Technical Service Support
Frequently Asked Questions
What are the main applications of this closed-cell rubber foam?
It is mainly used for insulating large tanks, piping systems in construction, industrial and commercial applications, central air-conditioning systems, household air-conditioning joints, and automotive air-conditioning.
What is the fire performance rating of this insulation material?
The insulation material complies with BS 476 Part 6 & Part 7, achieving a Class 0 & Class 1 fire rating. It also meets the ASTM E 84 standard with a Flame Spread and Smoke Developed Index of 25/50.
How does the material perform in preventing condensation?
Thanks to its high water vapor permeability resistance factor (μ ≥ 10000), it forms a highly efficient moisture barrier that prevents condensation and moisture penetration.
What is the operating temperature range of this rubber foam?
The material performs reliably within a temperature range of -50°C to 110°C, making it suitable for both cold and hot piping applications.
Does the material offer UV and ozone resistance?
Yes, the insulation material demonstrates excellent resistance to ozone (tested under GB/T 7762-1987), UV rays, weather conditions (ASTM G23), and fungi growth (ASTM 21).

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