Wholesale Kingflex Colored Rubber Foam Sheet Roll Manufacturers, Suppliers

Kingflex Color closed cell elastic rubber foam sheet, can be customized according to customer needs of different colors, can better distinguish between hot and cold water pipes, more beautiful.

Product Description

Excellent Anti-Condensation Performance

The color rubber foam sheet features a water vapor permeability of more than 7500, providing an exceptionally strong anti-condensation effect to ensure a long service life. The availability of different color variations makes the product highly functional and versatile for multiple applications.

High-Quality NBR Material

This high-quality NBR rubber foam sheet is available with a variety of color options to completely satisfy your project requirements. Engineered to be both tough and soft, the material is highly durable and resistant to tearing.

Standard Dimensions
Dimensions Specification
Thickness Width 1m Width 1.2m Width 1.5m
Inches mm Size (L*W) ㎡/Roll Size (L*W) ㎡/Roll Size (L*W) ㎡/Roll
1/4" 6 30 × 1 30 30 × 1.2 36 30 × 1.5 45
3/8" 10 20 × 1 20 20 × 1.2 24 20 × 1.5 30
1/2" 13 15 × 1 15 15 × 1.2 18 15 × 1.5 22.5
3/4" 19 10 × 1 10 10 × 1.2 12 10 × 1.5 15
1" 25 8 × 1 8 8 × 1.2 9.6 8 × 1.5 12
1 1/4" 32 6 × 1 6 6 × 1.2 7.2 6 × 1.5 9
1 1/2" 40 5 × 1 5 5 × 1.2 6 5 × 1.5 7.5
2" 50 4 × 1 4 4 × 1.2 4.8 4 × 1.5 6
Technical Data Sheet
Technical Data Specification
Property Unit Value Test Method
Temperature range °C -50 to 110 GB/T 17794-1999
Density range Kg/m³ 45-65 Kg/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, 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
Frequently Asked Questions (FAQ)
What is the operating temperature range for these rubber foam sheets?
The material handles a temperature range from -50°C to 110°C, tested in compliance with standard GB/T 17794-1999.
What is the water vapor permeability performance of this material?
The water vapor permeability is more than 7500 (tested value of ≤ 0.91 × 10-13 Kg/(m·s·Pa) in accordance with DIN 52 615 and BS 4370 Part 2 1973), which provides excellent anti-condensation protection.
Does this insulation material meet fire and flame safety standards?
Yes, the rubber foam sheet has a Fire Rating of Class 0 & Class 1 (BS 476 Part 6 & Part 7), a Flame Spread and Smoke Developed Index of 25/50 (ASTM E 84), and an Oxygen Index ≥ 36 (GB/T 2406, ISO 4589).
What are the thermal conductivity levels at different temperatures?
Per ASTM C 518 testing, the thermal conductivity values are ≤ 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.
What sizing configurations are available for these rolls?
We offer standard thicknesses from 1/4" (6mm) to 2" (50mm). Widths include 1m, 1.2m, and 1.5m, with various square meter coverages per roll depending on the chosen thickness.
How resistant is the material to environmental factors like U.V. and ozone?
The rubber foam insulation material shows good resistance rating to fungi growth (ASTM 21), ozone (GB/T 7762-1987), and U.V. / weathering degradation (ASTM G23).

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