Kingflex Kingflex

Wholesale Kingflex pipe insulation Manufacturers, Factories

Kingflex rubber insulation sheets/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 .

Product Description

Dimensions
Dimension Options
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
Technical 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
Thermal Conductivity W/(m.k) ≤0.032 (0°C) ASTM C 518
Thermal Conductivity W/(m.k) ≤0.036 (40°C) ASTM C 518
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

Class 1 Closed cell rubber closed cell thermal insulation, adopt advanced ACMF technology, take acrylonitrile-butadiene rubber as the main raw materials, foamed a closed cell structure flexible insulation.

Frequently Asked Questions
What are the primary characteristics of this closed cell rubber insulation?
This flexible thermal insulation features a closed-cell structure made from acrylonitrile-butadiene rubber, utilizing ACMF technology. It offers low thermal conductivity, high moisture resistance, and outstanding temperature stability.
What is the operating temperature range for this insulation?
It is designed to perform reliably over a wide temperature range, specifically from -50°C to 110°C, making it suitable for both cold and hot piping systems.
How does the insulation perform against moisture and water vapor?
With a water vapor permeability rating of ≤0.91×10⁻¹³ Kg/(m.s.pa) and a μ value of ≥10000, it provides an exceptional built-in vapor barrier that prevents condensation and moisture intrusion.
What fire performance standards does this product meet?
This insulation meets Class 0 & Class 1 fire ratings according to BS 476 Part 6 and Part 7, and passes the ASTM E 84 standard with a Flame Spread / Smoke Developed index of 25/50.
Is this material resistant to mold and UV rays?
Yes. The material demonstrates strong resistance to fungi growth (ASTM 21), ozone (GB/T 7762-1987), and weathering/U.V. degradation (ASTM G23), ensuring long-term durability.

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