High-quality colorful rubber foam insulation sheet is a flexible and lightweight elastomeric nitrile rubber material designed for thermal insulation. Rubber foam insulation sheet is generally black in color, other colors are available upon request. The product comes in the tubing, roll, and sheet form. The flexible sheet is specially designed to fit the standard diameters of copper, steel, and PVC piping.
Dimension Table
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
Colored Rubber Foam Sheet Features
Good Fire-blocking
Closed Pore Foaming
Good Damp-proof Property
Good Pliability
Good Anti-bending
High Density
Beautiful Appearance
Easy to Install
Safety and Environmental Protection
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 (FAQ)
Q1: What is the temperature range that the rubber foam insulation sheet can withstand?
The rubber foam insulation sheet has an operating temperature range of -50°C to 110°C, tested in compliance with GB/T 17794-1999 standard.
Q2: What are the standard dimensions and thickness options available?
The thickness ranges from 1/4" (6mm) up to 2" (50mm). Roll widths are available in standard sizes of 1m, 1.2m, and 1.5m with varying lengths to suit project requirements.
Q3: Is this rubber foam insulation sheet fire-rated?
Yes, it features excellent fire-blocking capabilities. It achieved Class 0 & Class 1 fire ratings according to BS 476 Part 6 & 7, and has a flame spread and smoke developed index of 25/50 under ASTM E 84.
Q4: How does the material perform against moisture and water vapor?
The insulation sheet offers superior damp-proof performance. It features closed-pore foaming technology, providing high water vapor permeability resistance (μ ≥ 10000) and low water absorption.
Q5: What are the key mechanical properties of the insulation sheet?
The sheet is highly flexible, providing good pliability and anti-bending resistance. It is easy to cut and install, fitting tightly around copper, steel, and PVC piping.
Q6: Does this insulation material offer environmental and fungi resistance?
Yes, it has proven resistance to fungi growth (ASTM 21), excellent ozone resistance (GB/T 7762-1987), and good resistance to weathering and U.V. exposure (ASTM G23), ensuring safe and durable long-term performance.