Wholesale Kingflex Foam Rubber Insulation Sheet Roll Manufacturer, Manufacturers

Kingflex foam rubber Insulation Sheet Roll are wildly used in thermal electricity, thermal power, architecture petrochemical, metallurgy, ships, central air-conditioning, refrigeration etc.Kingflex foam rubber Insulation Sheet Roll are soft heat insulating, heat preservation and energy conservation materials made with advanced technology at home and abroad and advanced full automatic continuous production line imported from abroad, and through development and improvement by ourselves, using butyronitrile rubber and polyvinyl chloride (NBR, PVC) with performance as main raw materials and other high quality auxiliary materials through foaming special procedure and so on.

Product Description

Foam rubber Insulation Sheet Roll is NBR/PVC-based closed cell, flexible elastomeric foam insulation. Foam rubber Insulation Sheet Roll is environmentally-friendly as it is free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde and fibers.

Foam rubber Insulation Sheet Roll
Foam rubber Insulation Production
Foam rubber Material Details
Foam rubber Sheet Structure
Foam rubber Processing
Insulation Performance Testing
Foam rubber Roll Inspection
Closed Cell Structure Design
Insulation Application Details
Foam rubber Storage & Logistics
Foam Rubber Insulation Sheet 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
Packaging Details
Quality Standard Verification
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
Packed in PE bags; OEM packing customization is available.
Highly cost-effective, easy to install, and extremely flexible.
Elastomeric composition with a soft texture and high flexibility.
Low thermal conductivity to prevent heat loss/gain.
Independent closed foam structure offers excellent heat insulation.
Fire-resistant material meets strict industry safety standards.
The rubber foam pipe lagging is highly resistant to water vapour.
Offers outstanding adhesion to adhesives and coatings.
Easy to cut, carry, and install—perfect for DIY pipe lagging tasks.
Significantly reduces thermal energy loss and minimizes energy costs.
Frequently Asked Questions
What are the main materials used in this foam rubber insulation?
The insulation sheet roll is made from NBR/PVC-based closed cell, flexible elastomeric foam. It is environmentally friendly and free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde, and fibers.
What is the operating temperature range for this insulation sheet?
This foam rubber insulation is engineered to perform reliably across a wide temperature range, from -50°C up to 110°C, as tested under GB/T 17794-1999 standards.
How does the insulation perform against water and moisture?
Featuring an independent closed-cell foam structure, the material is highly resistant to water vapour (permeability value ≤ 0.91×10 ﹣¹³ Kg/(m.s.pa) and a water vapor diffusion resistance factor μ ≥ 10000), ensuring long-term thermal efficiency.
What are the fire safety ratings for this product?
It meets strict safety requirements with a Class 0 & Class 1 fire rating (BS 476 Part 6 & 7) and a Flame Spread/Smoke Developed Index of 25/50 according to ASTM E 84.
Is this insulation roll easy to install?
Yes, it is soft, flexible, lightweight, and easy to cut and carry. It adheres exceptionally well to adhesives and coatings, making it simple to install for both professionals and DIY pipe lagging projects.
What are the packaging and customized options available?
The standard packaging is in secure PE bags. Customized OEM packing options can also be arranged based on your specific requirements.

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