





| Kingflex 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 | |







The product is available in tube, roll, and sheet forms. The extruded flexible tubes are specifically designed to fit standard diameters of copper, steel, and PVC piping, while sheets are available in standard pre-cut sizes or rolls.
The insulation is generally black in color. However, other colors can be customized and are available upon request.
According to technical tests (GB/T 17794-1999), the material has a reliable temperature range from -50°C to 110°C.
The insulation meets Class 0 and Class 1 fire ratings according to BS 476 Part 6 & 7 standards, and has a flame spread and smoke developed index of 25/50 under ASTM E 84.
Yes, it shows good resistance to fungi (ASTM 21), ozone (GB/T 7762-1987), and U.V./weathering (ASTM G23).
Yes, free samples are available with freight charges applicable according to our standard supply terms.