Low Combustion Hazard (LCH) Solid
72 LCH1 satisfies the BS 6853 Category 1a requirements and meets the requirements of the LUL Code of Practice for Fire Safety (Materials used in the Underground; August 1990.)
72LCH1 has been tested to NF F 16-101by Laboratoire De Trappes, and has been accredited with I2 and F0 classification.
|
Property |
BS 6853 |
72 LCH1 |
|
Temperature Index |
>300°C |
341°C |
|
Flame Length |
<50 mm |
<50 mm |
|
Limiting Oxygen Index |
>34% |
34.7 |
|
Ao Smoke Index |
<0.017 |
0.0162 |
|
NFF Test |
NFF Test Method |
72 LCH1 |
|
Smoke index |
NFX 10.702 |
10.4 |
|
Conventional Index of toxicity |
NFX 70.100 |
6.28 |
|
Class |
- |
F1 |
|
Glow wire Test |
NFC 20.455 |
Classified I2* |
*Class I2 = Oxygen limit of more than or equal to 32% and no ignition at 850oC glow wire
Environmental Resistance
Silicone rubber products have an excellent resistance to ozone, oxidation, ultraviolet light, corona discharge, cosmic radiation, ionising radiation and weathering in general.










