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Wholesale Kingflex NBR Rubber Foam Sheet Roll Suppliers, Quotes

Kingflex offers elastomeric closed cell foaming Nitrile rubber foam insulation sheet roll.

Product Description

Closed cell foam, high closed cell ratio, significantly improve the water vapor isolation ability, not easy to condensation, moisture resistance is excellent, to ensure the insulation effect.

Nitrile rubber foam insulation material adopts advanced closed cell foam process, this structure makes it has unique water vapor resistance, low thermal conductivity and sound insulation and shock absorption properties, and is widely used for applicable to water pipes in the hvac system and duct, refrigeration and heating equipment, hot water piping and process for cold insulation of pipeline and ensure the tightness of the entire system.

Dimensions & Specifications
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 Properties
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
Frequently Asked Questions
What are the main performance benefits of Nitrile rubber foam insulation?
It features an advanced closed cell foam structure that offers unique water vapor resistance, high closed cell ratio to prevent condensation, low thermal conductivity, and outstanding sound insulation and shock absorption properties.
What temperature range can this insulation material withstand?
According to standard GB/T 17794-1999 testing, this insulation material performs reliably within a temperature range of -50°C to 110°C, making it suitable for both cooling and heating systems.
Where is Nitrile rubber foam insulation typically applied?
It is widely used in HVAC systems (water pipes and ducts), refrigeration and heating equipment, hot water piping, and process pipelines for cold insulation to ensure the thermal integrity of the entire system.
How does the insulation material perform under fire safety standards?
The material meets BS 476 Part 6 & 7 Class 0 & Class 1 fire ratings. It also has a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84, and an Oxygen Index of ≥36 (GB/T 2406, ISO4589).
Does this insulation resist environmental hazards like mold and UV rays?
Yes, technical data shows it has good resistance to fungi (ASTM 21), ozone (GB/T 7762-1987), and U.V. and weathering (ASTM G23), ensuring long-term durability.
What are the standard sizes and formats available?
The insulation is available in thickness levels ranging from 1/4" (6mm) to 2" (50mm), with customizable roll widths of 1m, 1.2m, and 1.5m to suit different installation specifications.

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