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Fibre properties chart
| Fibre (Generic name)
|
Cotton | Wool | Polyamide | Polypropylene | Polyester | Acrylic
Copolymer |
Homopolymer
Acrylic |
|---|---|---|---|---|---|---|---|
| Recommended continuous
Operation temperature (dry heat) |
82°C | 94°C | 94°C | 94°C | 132°C | 120°C | 140°C |
| Water vapour saturated condition
(moist heat) |
82°C | 88°C | 94°C | 94°C | 94°C | 110°C | 125°C |
| Maximum (short time) operation
Temperature (dry heat) |
94°C | 110°C |
121°C | 107°C |
150°C | 120°C | 140°C |
| Specific density | 1.50 | 1.31 | 1.14 | 0.9 | 1.38 | 1.16 | 1.17 |
| Relative moisture regain in %
(at 50°C & 65% Relative moisture) |
8.5 | 15 | 4.0-4.5 | 0.1 | 0.4 | 1.0 | 1.0 |
| Supports combustion | Yes | No | Yes | Yes | Yes | No | Yes |
| Biological resistance
(bacteria, mildew) |
No, if not treated | No, if not treated | No effect | No effect | No effect | Very good | Very good |
| Resistance to alkalies | Good | Poor | Good | Excellent | Fair | Fair | Fair |
| Resistance to mineral acids | Poor | Good | Poor | Excellent | Fair | Good | Very good |
| Resistance to organic acids | Poor | Good | Poor | Excellent | Fair | Good | Excellent |
| Resistance to oxidising agents | Fair | Fair | Fair | Good | Good | Good | Good |
| Resistance to organic solvents | Very good | Very good | Very good | Excellent | Good | Very good | Very good |
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