China HVAC Rubber Foam Insulation Tube Manufacturer, Factories

Excellent product performance meets different applications With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles. The excellent product performance makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.

Product Description

Technical Data Sheet
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

With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles, which makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.

Insulation Material Details
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Insulation products have passed BS476, UL94, CE, AS1530, DIN, REACH and Rohs certificates. Quality is guaranteed.

As a manufacturing and trading combo, we produce and export rubber foam insulation products for more than 40 years since 1979. We are also the first insulation material factory North of the Yangtze river. Our factory occupies 130,000 square meters, featuring bright workshops and clean warehouses.

Frequently Asked Questions
What is the main raw material of these insulation products?
The products are manufactured using nitrile rubber as the main raw material, which is foamed into a flexible rubber-plastic heat-insulating material featuring completely closed bubbles.
What certifications do these insulation products hold?
The insulation products have successfully passed and obtained BS476, UL94, CE, AS1530, DIN, REACH, and Rohs certificates to guarantee high quality.
What are the key thermal properties of the material?
The thermal conductivity is ≤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, tested under ASTM C 518 standard.
Where can this rubber-plastic insulation material be applied?
Due to its closed-bubble structure and excellent properties, it is widely utilized in public places, industrial plants, clean rooms, and medical education institutions.
What are the fire resistance ratings of the insulation?
The material achieves a Class 0 & Class 1 fire rating according to BS 476 Part 6 & Part 7, and has a 25/50 Flame Spread and Smoke Developed Index under ASTM E 84.

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