Kingflex has closed cell construction and has many great features such as soft resistance refractive index, cold resistance, fire-retardant, waterproof, low thermal conductivity , shock and sound absorption and so on. It can be widely used in large-scale central and home air conditioning,construction, chemicals, textile and electrical industries. Technical Data Sheet
| 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 | |
Kingflex insulation tube packed in export standard carton. OEM can be supplied. 
