Wholesale Kingflex Insulation Rubber Foam Sheet Manufacturers, Supplier

Kingflex Insulation Rubber Foam Sheet are produced by imported high-end technology and automatic continuous equipment. We have developed a rubber foam insulation material with excellent performance through in-depth research. The major raw materials we use are NBR/PVC.

Product Description

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Insulation Dimension Specifications
Insulation Dimensions
Thickness Width 1m Width 1.2m Width 1.5m
Inches mm Size(L*W) m²/Roll Size(L*W) m²/Roll Size(L*W) m²/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 Roll Presentation
Our Class 0/1 insulation is generally black in color, with other colors available upon request. The product comes in tube, roll, and sheet forms. The extruded flexible tubes are specially designed to fit the standard diameters of copper, steel, and PVC piping. Sheets are available in standard pre-cut sizes or in rolls.
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Insulation Technical Data
Technical Performance Specifications
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 G21
Ozone resistance - Good GB/T 7762-1987
Resistance to U.V. and weather - Good ASTM G23
Key Features & Benefits
  • Low thermal conductivity factor for maximum energy saving.
  • Excellent fire-blocking performance (Class 0/1 rating).
  • Closed pore foaming structure provides supreme damp-proof capability.
  • Superior pliability and flexibility for simple and efficient handling.
  • Esthetically pleasing appearance and clean, simple installation.
  • Safe to handle, non-irritating to skin, and outstanding resistance to acids and alkalis.
Frequently Asked Questions
What color and delivery forms are available for the insulation?
The standard color is black, but custom colors are available upon request. It is supplied in tubes designed for copper, steel, and PVC piping, as well as in pre-cut sheets or flexible rolls.
What are the thermal properties of this insulation material?
It features 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, making it highly efficient at preventing heat transfer.
How well does the insulation perform against moisture and water vapor?
Due to its closed-pore structure, it has excellent moisture resistance with a water vapor permeability of ≤0.91×10⁻¹³ Kg/(m.s.pa) and a μ-value of ≥10000.
What fire safety certifications does this insulation carry?
The insulation meets Class 0 and Class 1 standards according to BS 476 Part 6 & Part 7 testing, possesses an Oxygen Index of ≥36, and scores 25/50 on the Flame Spread and Smoke Developed Index under ASTM E 84.
Is this product resistant to outdoor environments and biological growth?
Yes, it demonstrates good resistance to U.V. light, outdoor weather conditions, ozone exposure, and fungi growth, making it highly durable for both indoor and outdoor setups.
Is the material safe and easy to install?
Absolutely. The material is highly pliable and flexible, ensuring an easy installation process. It is safe to handle, does not irritate the skin, and does not pose health hazards.

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