1.closed cell insulation 2.high density 3.china well-known trademark 4.good performance 5.GB/Rohs /BS476
Our product was made by soft materials with good anti-bending performance . It was widely udsed for many kinds of tube heat insuation such as household air conditioners ,automobile . air conditioners , and solar energy waterpipe and so on .
It has a lot of advantages . such as low conductivity factor .,good fire blocking ,vibration resistance ,good pliability , and beautiful appearance , easy to install .
Item | Unit | Specification | Standard | |
Density | kg/m³ | ≤95 | GB/T 6343 | |
Flammability | Oxygen index | % | ≥32 | GB/T2406 |
SDR | ≤75 | GB/T 8627 | ||
Conductivity factor | ||||
Average temperature | ||||
20°C | ≤0.031 | GB/T 10294 | ||
0°C | W/(m ·k) | ≤0.034 | ||
40°C | ≤0.036 | |||
Water vapor permeability | coefficient | g/(m·s ·pa) | ≤2.8*10-11 | GB/T 17146 1997 |
Factor | ≥7.0*10³ | |||
Water absorption ratio in vacuum | % | ≤10 | GB/T 17794 2008 | |
Dimension stability | % | ≤10 | GB/T 8811 | |
105±3°C,7d | ||||
Crack resistance | N/cm | ≥2.5 | GB/T 10808 | |
Compression resilience ratio | % | ≥70 | GB/T 6669 2001 | |
Compression ratio 50% | ||||
Compression time 72h | ||||
Anti-ozone | Not cracking | GB/T 7762 | ||
Ozone pressure 202mpa | ||||
200h | ||||
Aging resistance | Slightly crumpling ,no cracks | GB/T 16259 | ||
150h | Slightly crumpling ,no cracks | |||
Temperature | °C | -40°C to 110°C | GB/T 17794 |
pvc pipe