Kingflex aluminum foil rubber foam insulation sheet is a flexible closed foam insulation material made of rubber as the main raw material. Utilizing advanced manufacturing technology and automated processing, these high-quality rubber plastic foam insulation products (PVC/NBR) are widely used for central air conditioning, refrigeration, sealing, and water-stop film applications.
Kingflex 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 |
Key Features & Advantages
✓
Low thermal conductivity
Kingflex Technical Data
| Property |
Unit |
Value |
Test Method |
| Temperature range |
°C |
-50 to 110 |
GB/T 17794-1999 |
| Density range |
Kg/m³ |
45-65 |
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 G21 |
| Ozone resistance |
- |
Good |
GB/T 7762-1987 |
| Resistance to U.V. and weather |
- |
Good |
ASTM G23 |
Frequently Asked Questions (FAQ)
What are the main applications for Kingflex rubber foam insulation sheets?
Kingflex insulation sheets are primarily designed for central air conditioning systems, industrial refrigeration, sound absorption, sealing, and water-stop film applications.
What is the operating temperature range for this insulation material?
The material is tested to operate effectively within a temperature range of -50°C to 110°C, conforming to GB/T 17794-1999 standards.
What safety and fire ratings do Kingflex insulation sheets meet?
They achieve Class 0 & Class 1 fire ratings according to BS 476 Part 6 and Part 7, and have a Flame Spread and Smoke Developed Index of 25/50 under ASTM E 84.
Does this insulation sheet offer moisture and water protection?
Yes, it features a closed-cell structure providing low water vapor permeability (≤0.91×10⁻¹³ Kg/(m.s.pa)) and excellent moisture-proof performance, ensuring long-lasting thermal efficiency.
Is the material resistant to environmental factors like UV and mold?
Yes, under standardized testing methods (such as ASTM G21 and ASTM G23), the material demonstrates good resistance to mold, fungi growth, ozone, and ultraviolet weathering.