China HVAC Rubber Foam Insulation Tube Manufacturer, Factories

Excellent product performance meets different applications With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles. The excellent product performance makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.

Product Description

📊 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)
≤0.032 (0°C)
≤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
💡 Product Overview

With nitrile rubber as the main raw material, it is foamed into a flexible rubber-plastic heat-insulating material with completely closed bubbles, which makes the product widely used in various public places, industrial plants, clean rooms and medical education institutions.

Flexible rubber-plastic insulation material
🏆 Certifications & Standards

Our insulation products have passed international certificates to ensure the highest quality and safety standards.

BS476 UL94 CE AS1530 DIN REACH RoHS
🏭 Production & Warehouse Display
Production workshop
Storage facilities
Insulation manufacturing process
Clean warehouse display
Finished insulation products
Frequently Asked Questions (FAQ)
Q1: What is the main raw material of this heat-insulating material?
A1: The material is primarily made from nitrile rubber, which is foamed to create a flexible rubber-plastic heat-insulating material featuring completely closed bubbles.
Q2: What is the operating temperature range for this insulation material?
A2: The temperature range is from -50°C to 110°C, tested in compliance with the GB/T 17794-1999 standard.
Q3: How does the material perform regarding fire safety?
A3: The insulation material is rated Class 0 and Class 1 under the BS 476 Part 6 and Part 7 fire tests. It also achieves a Flame Spread and Smoke Developed Index of 25/50 based on ASTM E 84.
Q4: What is the thermal conductivity of this insulation product?
A4: According to ASTM C 518, the thermal conductivity values are ≤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.
Q5: Is this material resistant to environmental factors like UV and mold?
A5: Yes, it offers good resistance against fungi (ASTM 21), ozone (GB/T 7762-1987), and U.V. & weather exposure (ASTM G23).
Q6: What certificates do these insulation products hold?
A6: These insulation products have successfully passed BS476, UL94, CE, AS1530, DIN, REACH, and RoHS standards to guarantee consistent and reliable quality.

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