Wholesale Kingflex Low Density Rubber Foam Sheet Factory, Quotes

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Wholesale Kingflex Low Density Rubber Foam Sheet Factory, Quotes

Kingflex high quality low density flexible rubber foam insulation sheet.

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Product Description

ⓘ Product Overview

The rubber foam insulation sheet is a black flexible elastomer nitrile butadiene rubber foam. It is an original closed cell elastic foam with a slightly wrinkled surface that makes it adaptable to various shapes of installation, while the expanded closed cell structure makes it an excellent insulating material, which is also effective for reducing HVAC noise.

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

✔ Key Characteristics

The rubber foam sheet possesses the following premium characteristics, making it safe, reliable, and highly efficient for various configurations:

✓ Low Density
✓ Low Thermal Conductivity
✓ Low Water Absorption
✓ Long Service Lifetime
✓ Good Flame Retardant Effect
✓ Self-Extinguishing Performance

Dimensions
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

Insulation product packaging and storage

Frequently Asked Questions (FAQ)

1. What materials are used to make the rubber foam insulation sheet?

The insulation sheet is made from flexible elastomer nitrile butadiene rubber (NBR) foam. Its closed-cell structure and slightly wrinkled surface provide excellent insulation properties and acoustic dampening.

2. What is the fire rating and flame resistance of this insulation sheet?

It meets high fire-prevention standards with a Class 0 and Class 1 fire rating according to BS 476 Part 6 & 7 testing. Additionally, it has a Flame Spread and Smoke Developed Index of 25/50 (ASTM E 84) and is self-extinguishing.

3. How does this rubber foam perform in terms of moisture and water resistance?

It offers highly effective water resistance, featuring low water absorption (20% by volume as per ASTM C 209) and high water vapor permeability resistance (μ ≥ 10000, DIN 52 615).

4. What is the thermal conductivity of the rubber foam insulation sheet?

The material has exceptionally low thermal conductivity, measuring ≤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 under ASTM C 518 standards.

5. Is this product resistant to outdoor elements like UV and ozone?

Yes. The material is tested and proven to have good resistance to fungi (ASTM 21), ozone (GB/T 7762-1987), and UV/weather exposure (ASTM G23), making it highly durable over time.

6. What dimensions and thicknesses are available for purchase?

The thickness options range from 1/4" (6mm) to 2" (50mm). Roll sizes are available in widths of 1m, 1.2m, and 1.5m with lengths adjusted depending on the product thickness.