China We produce rubber-plastic foamed heat preservation products Manufacturer, Manufacturers

We produce rubber-plastic foamed heat preservation products (PVC/NBR) by introducing newest technology and craft and automatic processing line. The major materials we use are NBR/PVC,which are undergone ban bury,vulcanization and foam,Therefore,the main characteristics are:Low density,close bubble structure,low thermal conductivity, Water vapor transmissibility extremely low,low water -absorptive ability,Fire-proof performance well,superior anti-agde performance,good flexibility,easy to install. This product is suitable for a wide temperature range,from -50℃ is to 110℃ ,also has good anti-adge performance and durability.Its fire +proof capacity achieves the standard of BS476 CLASS1 CLASS0. Normal wall thicknesses of 1/4”, 3/8″, 1/2″, 3/4″,1″, 1-1/4”, 1-1/2″ and 2” (6, 9, 13, 19, 25 , 32, 40 and 50mm). Standard Length with 6ft (1.83m) or 6.2ft(2m).

Product Description

Insulation Material Detail
Elastomeric Insulation Roll
NBR PVC Foam Insulation Pipe
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
Rubber Foam Factory Stock
Black Rubber Insulation Tubes
Closed Cell Structure Insulation
Insulation Thickness Measurement
Insulation Pipe Warehouse
Quality Rubber Foam Materials

The insulation tube is made of NBR and PVC. It doesn't contain fibrous dust, benzaldehyde and Chlorofluorocarbons. Moreover, it has low conductivity & heat conductivity, good moisture resistance and Fireproof.

Air conditioner rubber insulation tube
Low conductivity & heat conductivity
Closed cell pipe insulation
Good fireproof capabilities
Excellent stability preventing fire hazards.
Highly flexible for easy installation and bending.
Rubber Insulation Product Application
Durable Insulation Tubing
Flexible Pipe Protection Roll
Frequently Asked Questions
What materials are the insulation tubes composed of?
The insulation tubes are manufactured from a high-quality blend of NBR (Nitrile Butadiene Rubber) and PVC (Polyvinyl Chloride).
Does this insulation material contain any harmful fibers or chemicals?
No, the formulation is clean and safe. It contains zero fibrous dust, benzaldehyde, or Chlorofluorocarbons (CFCs).
What is the temperature application range for this product?
This elastomeric foam has a wide functional temperature range spanning from -50°C up to 110°C, verified under GB/T 17794-1999 test standards.
How does the insulation tube behave in fire hazard conditions?
It features high stability and excellent fireproofing performance, achieving Class 0 & Class 1 fire ratings according to BS 476 Part 6 and 7 standards.
How flexible are these tubes for installation?
The rubber foam material is highly flexible, allowing it to bend smoothly during layout, which simplifies and speeds up the installation process around corners.
Is this insulation resistant to environmental elements like U.V. and ozone?
Yes. It exhibits documented "Good" resistance ratings against fungi growth (ASTM 21), ozone (GB/T 7762-1987), and U.V./weathering exposure (ASTM G23).

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