Kingflex
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Normal wall thicknesses: 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: 6ft (1.83m) or 6.2ft (2m).
| 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 |
The thermal conductivity is low, measuring ≤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, in compliance with ASTM C 518 standards.
The normal wall thicknesses range from 1/4”, 3/8″, 1/2″, 3/4″, 1″, 1-1/4”, 1-1/2″ to 2” (6mm to 50mm). The standard lengths available are 6ft (1.83m) or 6.2ft (2m).
This material is rated as Class 0 and Class 1 according to BS 476 Part 6 & Part 7 test standards. It has excellent ability to prevent the spread of flames and control heat release.
Yes, it features excellent resistance to fungi (mold), ozone, U.V. radiation, and weathering. It is also acid-resisting and alkali-resisting, ensuring a long service life of above 20 years.
The material features a closed-cell elastomeric structure with high water permeability resistance (μ ≥ 10000) and a water absorption by volume rating of 20% according to ASTM C 209.
