Kingflex Kingflex

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

Insulation Dimensions Chart
Elastomeric Foam Insulation 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 Specifications & Performance Data
Property Unit Value Test Method
Temperature range °C -50 to 110 GB/T 17794-1999
Density range Kg/m³ 45 - 65 ASTM D1667
Water vapor permeability Kg/(m.s.pa) ≤ 0.91 × 10⁻¹³ DIN 52 615 / BS 4370 Part 2 1973
μ (Water vapor diffusion resistance) - ≥ 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

High-Quality Elastomeric Foam Solutions

Engineered with a closed-cellular structure, this flexible insulation product is specifically designed for thermal protection in heating, ventilating, air conditioning, and refrigerating (HVAC & R) systems. It delivers a highly efficient method of preventing undesirable heat gain or loss in chilled water lines, hot and cold water plumbing, industrial refrigerated pipes, and air conditioning ductwork.

This high-performance thermal and heat insulation rubber foam sheet, tube, and roll material is widely utilized in the distribution pipelines of central air conditioning units, vehicles, maritime shipping vessels, chemical processing, and the medical industry, effectively minimizing energy transfer and optimizing overall operating efficiency.

Frequently Asked Questions

What is the temperature operating range for this elastomeric insulation?

The elastomeric foam insulation is designed to operate safely within a temperature range of -50°C to 110°C, tested in compliance with standard GB/T 17794-1999.

What fire and safety ratings does the insulation material possess?

It meets Class 0 and Class 1 fire ratings according to BS 476 Part 6 & Part 7 standards, and exhibits a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84 testing.

How well does this foam insulate against heat transfer?

The insulation material has exceptionally low thermal conductivity: ≤ 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, providing robust thermal protection.

Is the material resistant to environmental factors like moisture, UV, and mold?

Yes. It features high water vapor diffusion resistance (μ ≥ 10000) and scores "Good" in standardized testing for fungi resistance (ASTM 21), ozone resistance (GB/T 7762-1987), and UV/weather exposure (ASTM G23).

What are the typical applications for this elastomeric foam?

It is ideal for HVAC & R systems, refrigeration lines, cold and hot water plumbing, air duct insulation, and piping in automotive, marine, chemical, and medical environments.

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