Wholesale Flexible Adhesive Thermal Insulation Rubber Foam Sheets Manufacturer, Pricelist

Kingflex insulation sheet is a high-quality rubber plastic heat-insulating and heat-preservation material. It not only has the same thermal conductivity with CLASS B1, but also has better heat insulation, energy saving property and best moisture resistance factor and longer service life.   Kingflex insulation sheet has best fireproof property because of many special materials has been added as its raw and processed materials. It accords with kinds of standards and has been sold to all over the word.

Product Description

Kingflex Dimension
Kingflex Dimension
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
Kingflex 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
Flexible Insulation Sheet Rubber Foam Material
On the basis of the elastomeric foam with closed-cellular structure, high quality flexible insulation product designed for insulating in the field of heating, ventilating, air conditioning and refrigerating(HVAC & R).
Provides efficient method of preventing undesirable heat gain or loss in chilled water systems, cold and hot water plumbing, refrigerated pipes, air conditioning ductwork and equipment.
Thermal/heat insulation rubber foam sheet/tube/material is widely used in medium pipeline of center air-conditioner, vehicle and shipping, chemical and medical industrial, getting the effect of reduce the cold and heat losing.
Frequently Asked Questions (FAQ)
What is the temperature range of the flexible insulation sheet?
The temperature range of this flexible elastomeric foam insulation is from -50°C to 110°C, tested in accordance with standard GB/T 17794-1999.
What is the density range of this rubber foam material?
According to ASTM D1667 standards, the density range of the rubber insulation foam is 45-65 Kg/m³.
Does this insulation foam offer fire resistance?
Yes, it has Class 0 and Class 1 fire ratings tested by BS 476 Part 6 & Part 7, and meets the 25/50 Flame Spread and Smoke Developed Index under ASTM E 84.
What are the primary applications of this elastomeric foam?
It is widely used in HVAC & R systems, central air conditioning pipelines, vehicles, shipping, chemical, and medical industrial pipes to prevent energy loss and control condensation.
How does the insulation perform against moisture and water absorption?
It features a closed-cellular structure with a low water vapor permeability (≤0.91×10⁻¹³ Kg/(m.s.pa)) and water absorption of 20% by volume under ASTM C 209, ensuring excellent moisture resistance.

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