| 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 rubber foam insulation tubes are packed in standard export cartons, Sheet rolls are packed in standard export plastic bag.KIngflex is a group company belong to Kingway and have 43 years history of Develoment Since 1979. Our factory located in Langfang city, nearby Beijing and Tianjin Xingang port,It is convenient for loading goods to port. We are also North of Yangtze river--the first insulation material factory.
