China Kingflex rubber foam insulation tube Supplier, Suppliers

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China Kingflex rubber foam insulation tube Supplier, Suppliers

Kingflex rubber foam insulation tube has better heat-preservation effectiveness than PE material. Because of its best heat insulation property, they are widely used in chilled-water pipes, water pipes, air ducts of family air-conditioner, house-use fission air-conditioning and its joint pipes; side board, cover and bottom board and back board; hot-water pipes of building inner fitment, etc.

nominal 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	-	≥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

Excellent fire-resistance performance & Sound absorption.
Low thermal conductivity (K-Value).
Good moisture resistance.
Environmentally friendly.
Easy to install & Nice appearance.

Closed-cell structure provides excellent condensation and energy-loss control
Effectively retards degradation due to ultraviolet (UV) radiation
Flexible material with dusted, relaxed ID’s for easy installation
Superior toughness to withstand on-site handling
Built-in vapor barrier eliminates need for additional vapor retarder
Complete size range for HVAC/R
Distinguish between different pipelines

Frequently Asked Questions

What is the temperature range capability of this insulation material?

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

What is the thermal conductivity (K-Value) of the product?

It offers low thermal conductivity: ≤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.

Does this insulation require an external vapor barrier?

No. Thanks to its closed-cell structure and built-in vapor barrier design, it eliminates the necessity for installing an additional vapor retarder.

How does the material perform in terms of fire resistance?

The insulation meets Class 0 & Class 1 fire rating requirements (BS 476 Part 6 & 7) and maintains a Flame Spread and Smoke Developed Index of 25/50 (ASTM E 84).

Is this material resistant to weather conditions and UV?

Yes. It features good resistance to ozone, UV rays, and general weathering, effectively retarding degradation caused by ultraviolet radiation over time.