Wholesale Kingflex rubber plastic foam insulation tube Manufacturers, Suppliers

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Wholesale Kingflex rubber plastic foam insulation tube Manufacturers, Suppliers

Kingflex rubber plastic foam insulation tube is made from the nitrile-butadiene rubber (NBR) and polyvinyl chloride(PVC) as main raw material and other high quality auxiliary materials through foaming, which is closed cell elastomeric material, fire resistance, UV-anti and environmental friendly. It can be widely used for air condition, construction, chemical industry, medicine, light industry and so on. Normal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″,1″, 1-1/4”, 1-1/2″ and 2” (6, 9, 13, 19, 25 , 32, 40 and 50mm). Standard Length with 6ft (1.83m) or 6.2ft(2m).

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Product Description

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 (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, ISO 4589
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 Features & Specifications

Closed Cell Structure

High synthetic rubber base characterized by a completely closed-cell configuration, ensuring outstanding thermal barrier performance.

Low Conductivity

Provides excellent insulation properties to minimize heat loss and prevent energy waste across standard pipelines and systems.

Aesthetic and Smooth Design

The outer surface is smooth and flat, offering a highly professional, clean look for exposed pipe installations and equipment.

Advanced Fireproof & Safety

Made of premium NBR and PVC. It contains no fibrous dust, benzaldehyde, or chlorofluorocarbons, delivering high environmental and safety standards.

Excellent Weather Resistance

Exhibits high resistance against UV rays, ozone, and harsh outdoor weather environments, extending service life.

Versatile & Customizable Sizes

Available in multiple dimensions to match specific project specifications and widely preferred for complex pipework or duct installations.

Frequently Asked Questions (FAQ)

What is the usable temperature range for this rubber foam insulation?

This insulation operates effectively within a temperature range of -50°C to 110°C, tested in compliance with standard GB/T 17794-1999.

How does the material perform in terms of fire resistance?

It meets Class 0 & Class 1 fire ratings according to BS 476 Part 6 & Part 7, and passes the ASTM E 84 standard with a Flame Spread / Smoke Developed index of 25/50.

Does this insulation prevent water absorption and moisture ingress?

Yes. The closed-cell structure offers high water vapor permeability resistance (μ ≥ 10000) and limits water absorption by volume to 20% under ASTM C 209 testing.

Are hazardous chemicals like chlorofluorocarbons present in the material?

No, the insulation tube is manufactured using NBR and PVC. It does not contain fibrous dust, benzaldehyde, or Chlorofluorocarbons (CFCs).

Can this insulation withstand UV and external weather conditions?

Yes, it features excellent resistance to ozone, UV radiation, and general weathering, tested in accordance with ASTM G23 and GB/T 7762-1987 standards.

What are the typical applications for these insulation pipes?

They are widely applied for structural insulation in general pipework and ducting systems, offering high efficiency, sound decorative value, and energy conservation.