Wholesale HVAC Rubber Foam Insulation Tube Suppliers, Factory

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 45-65 ASTM D1667
Water vapor permeability Kg/(m·s·Pa) ≤0.91 × 10⁻¹³ DIN 52 615 / BS 4370 Part 2 1973
μ (Water vapor diffusion resistance) - ≥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.

Elastomeric Rubber Foam Insulation Technical Characteristics
Guaranteed Standards: Our insulation products have successfully passed BS476, UL94, CE, AS1530, DIN, REACH and Rohs certifications. Quality is strictly guaranteed.
Frequently Asked Questions
What are the key benefits of nitrile rubber insulation?
Nitrile rubber-based insulation offers a completely closed-cell structure, providing exceptional thermal performance, low water absorption, high resistance to moisture vapor transmission, and excellent flexibility for easy installation.
What temperature limits can this insulation withstand?
This flexible rubber-plastic heat-insulating material operates effectively in a wide temperature range from -50°C to 110°C, making it highly versatile for cooling systems, HVAC, and hot water piping.
Does the material conform to fire safety standards?
Yes, our insulation material meets high fire safety classifications, achieving Class 0 & Class 1 fire ratings according to BS 476 Part 6 & Part 7, and passes the ASTM E 84 standard with a 25/50 flame spread and smoke index.
Is this insulation resistant to environmental factors and mold?
Yes, it demonstrates outstanding resistance to fungi (mold) growth, ozone degradation, and weathering/UV exposure, ensuring long-term durability and indoor air hygiene in clean rooms and public facilities.
Which industry certifications does this insulation carry?
Our insulation materials are fully certified and comply with major international standards including BS476, UL94, CE, AS1530, DIN, REACH, and RoHS, assuring premium product safety and performance.

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