Kingflex Kingflex

China TUBE-1119-2 Factory, Pricelist

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

Rubber Foam Insulation 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
Product Gallery & Applications
Insulation Material Display
Rubber Foam Details
Production Process
Product Specifications
Product Structure
Application Scenario

A manufacturing and trading combo, producing and exporting rubber foam insulation products for more than 40 years. Our products have passed BS476, UL94, CE, AS1530, DIN, REACH and Rohs certificates. Quality is guaranteed.

Quality Certification and Standards
Frequently Asked Questions
What is the temperature range that this rubber foam insulation can withstand?
The rubber foam insulation material operates efficiently within a temperature range of -50°C to 110°C, tested in compliance with GB/T 17794-1999 standards.
What are the fire safety ratings of this insulation material?
The product has achieved Class 0 and Class 1 fire ratings according to BS 476 Part 6 and Part 7. It also has a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84.
How efficient is the thermal conductivity of this product?
The thermal conductivity is exceptionally low, measured under ASTM C 518 as: ≤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.
Does the material resist moisture and water absorption?
Yes, it has a high water vapor permeability resistance (μ ≥ 10000, and permeability ≤0.91×10 ﹣¹³ Kg/(m.s.pa) under DIN 52 615). Water absorption by volume is kept at a low 20% according to ASTM C 209.
How well does the insulation hold up against environmental factors?
The product shows "Good" ratings for fungi resistance (ASTM 21), ozone resistance (GB/T 7762-1987), and resistance to UV and weather (ASTM G23), ensuring long-term outdoor and indoor durability.
What international quality certificates does the product carry?
The products are fully certified and have successfully passed standards for BS476, UL94, CE, AS1530, DIN, REACH, and RoHS, assuring premium international quality.

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