Kingflex Kingflex

China Corrosion Resistant Rubber Foam Insulation Tube Manufacturers, Factory

Kingflex rubber foam insulation material is as a high-quality thermal insulation and energy-saving material, they are currently widely used in heat insulation projects of water pipes and air pipes of central air-conditioning systems, refrigeration and heating equipment, hot water pipes and process pipes, which can fully guarantee the reduction of cold and heat.  Lost energy savings. In terms of preventing pipeline condensation, reducing the risk of pipeline corrosion, and ensuring the "air tightness" of the entire insulation system, Kingflex is the only insulation product series that can truly provide a complete solution.

Product Description

Thermal Insulation Production
Rubber Foam Material
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
Rubber Foam Sheets
Thermal Insulation Performance
Certified Quality Assurance

The rubber foam insulation products have successfully passed BS476, UL94, CE, AS1530, DIN, REACH, and RoHS certification standards. Superior quality and long-term durability are guaranteed.

Quality Standard Certifications
Frequently Asked Questions
What is the temperature range of the rubber foam insulation?
The rubber foam insulation material operates efficiently across a wide temperature range from -50°C to 110°C, conforming to GB/T 17794-1999 test standards.
What fire safety ratings do these products hold?
The material achieves Class 0 & Class 1 fire ratings 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, ensuring excellent fire resistance.
How well does the insulation prevent water vapor transmission?
The insulation features highly effective water vapor resistance, with permeability levels measured at ≤0.91×10⁻¹³ Kg/(m.s.pa) as tested by DIN 52 615 and BS 4370 standards.
What is the thermal conductivity of the material at different temperatures?
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, delivering optimal thermal efficiency.
Is the rubber foam resistant to mold, ozone, and environmental weathering?
Yes, the material exhibits rated "Good" resistance to fungi (ASTM G21), ozone (GB/T 7762-1987), as well as UV and general weather conditions (ASTM G23).
What global certificates do these insulation materials comply with?
These rubber foam insulation products comply with major global regulatory standards, including BS476, UL94, CE, AS1530, DIN, REACH, and RoHS, assuring safety and premium quality.

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