Polyimide is a non-thermoplastic fibre with a trilobal shape that exists in various fibre finenesses.
This fibre's trilobal shape and triboelectric properties give felt excellent levels of filtration capacity.
Its excellent resistance to heat means that it can be used for the high-temperature applications on incineration furnaces and cement and lime kilns.
| Properties of the fibre : | |||
| Trade marks : | PIC | ||
| Chemical composition : | P84® | ||
| Specific gravity : | 1.41 g/cm3 | ||
| moisture absorpition : | 3 (20°C H.R. 65% ) | ||
| Tenacity : | 3.5-4.2 cN/dtex | ||
| Elongation : | 25-35 % | ||
| Max continuos temperature: | 220 °C | ||
| Max temperature (peaks) : | 240 °C | ||
| Loi (limit oxygene index) : | 36 % | ||
| Chemical resistance: | |||
| Strong acids : |  |
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| Weak acids : |  |
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| Strong alkallis : | |
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| Weak alkallis : | |
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| Oxidising agents : | |
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| Hydrolys : | |
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| Fibre specific solvents : | H2SO4 NaOH |
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