China Central AC Ducting Nitrile rubber foam insulation sheet Manufacturer, Factories

Central A/C Ducting Nitrile rubber foam insulation sheet are produced by the cutting-edge technology introduced from abroad and the automatic production line, with nitrile-Butadiene rubber (NBR)and polyvinyl chloride(PVC) in excellent performances as the main materials and via special processes of ban burying, sulfuration, foaming, etc.

Product Description

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Dimension Specification
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
Dimension Details
Appearance of High-grade, clean, generous, especially for supermarkets, exhibition centers, stadiums, workshops and other non-ceiling construction sites.
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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
Key Features & Performance
  • Anti-Avanti-oxidation, anti-aging, corrosion-resistant.
  • Excellent water resistance with their penetration ability to maintain product initial thermal conductivity coefficient.
  • Greatly improved the life of the products.
Frequently Asked Questions
1. What is the applicable temperature range for this product?
The product is designed to function effectively within a temperature range of -50°C to 110°C, tested in compliance with GB/T 17794-1999 standards.
2. Where is this material best suited for installation?
With its high-grade, clean, and generous appearance, it is particularly suitable for non-ceiling construction sites such as supermarkets, exhibition centers, stadiums, and industrial workshops.
3. What is the fire rating and safety performance of the material?
It meets Class 0 and Class 1 fire ratings according to BS 476 Part 6 & 7. Additionally, it has a Flame Spread and Smoke Developed Index of 25/50 per ASTM E 84, and an Oxygen Index of ≥36.
4. What thickness and width specifications are available?
Thicknesses range from 1/4" (6mm) to 2" (50mm). Available standard roll widths are 1m, 1.2m, and 1.5m to suit different installation requirements.
5. How does this material perform regarding water and moisture resistance?
The material features a high water vapor permeability resistance (μ ≥ 10000) and excellent water resistance. This penetration prevention helps ensure the product maintains its initial thermal conductivity coefficient over time.
6. What is the thermal conductivity at different temperatures?
The thermal conductivity (tested via ASTM C 518) is ≤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.

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