China 40mm thickness rubber foam insulation sheet Supplier, Suppliers

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China 40mm thickness rubber foam insulation sheet Supplier, Suppliers

Rubber insulation materials is the introduction of the latest technology and advanced automatic production lines, with excellent performance nitrile rubber, polyvinyl chloride, with various high-quality support materials, made by a special process to complete closed-cell foam the structure of high-grade soft foam Insulation material.

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Product Description

40+ Years of Experience

As one of the major manufacturers of rubber and silicone products, our insulation company has been providing high-quality products and excellent services for customers worldwide. With 40+ years of experience in the industry, our products have won an excellent international reputation.

Independent R&D & QC

Aside from standard types in stock, we offer dedicated design and sampling services to meet your nonstandard OEM requirements with high technical precision.

Advanced Manufacturing Facilities

We specialize in rubber foam insulation products for HVAC, building, and other industrial installations, fully equipped with advanced molding, extrusion, and foaming facilities.

International Certifications

Manufactured under strict QC processes, our insulation products comply with RoHS, REACH, SGS, BS, CE, DIN, and UL 94 testing standards, exporting widely to Europe, North America, and Southeast Asia.

Product 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

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

Applications

Insulation of workshop and building structures
Air conditioning units and HVAC installations
Sound insulation and absorption systems
Protection of sports equipment, cushions, and diving suits
All types of cold/hot medium containers
High lustration environments (tobacco, medicine, electronics, automotive, foodstuff)

Frequently Asked Questions (FAQ)

What is the operating temperature range of these insulation products?

Our insulation products have a proven operating temperature range of -50°C to 110°C, tested in compliance with standard GB/T 17794-1999.

Do the insulation materials meet international fire safety regulations?

Yes, the materials meet BS 476 Part 6 & Part 7 specifications, achieving a Class 0 and Class 1 fire rating. Additionally, they have a Flame Spread and Smoke Developed Index of 25/50 (ASTM E 84) and an Oxygen Index of ≥36 (GB/T 2406, ISO4589).

Can I request custom sizes or OEM specifications?

Absolutely. Besides our standard stock sizes, our in-house R&D and QC teams can provide customized design and sampling services for your nonstandard OEM requirements.

What certifications do your rubber foam insulation products hold?

Our manufacturing processes follow strict quality control protocols, enabling our products to successfully comply with RoHS, REACH, SGS, BS, CE, DIN, and UL 94 standards.

How resistant is the material to environmental factors like U.V. or ozone?

Our insulation materials exhibit excellent resistance to ozone (GB/T 7762-1987), fungi (ASTM 21), and weathering/U.V. radiation (ASTM G23), making them highly durable in demanding environments.

What is the thermal conductivity rating of the insulation sheets?

The thermal conductivity, evaluated using ASTM C 518, is ≤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.