Cut fibers : continuous fibers having been worked on a chopper with guillotine. The obtained lengthes are controled.
Technical fibers
CALIBRATED ÉCRU POLYESTER
1- FIBER: |
|
| Synthetic fiber | (C10H8O4)n |
PHYSICAL PROPERTIES: |
|
| Reaction to the heat | Hardly flammable - Point of sticking in 220/240°C - Point of fusion in 260°C |
| Resumed in humidity (%) : (25°C. - 65% H.R.) | 1,5 |
| Resistance in the UV | Strong |
| Specific density (g/cm3) | 1,38 |
MECHANICAL PROPERTIES: |
|
| Dry tenacity (cN/Tex) | 40 - 60 |
| Wet tenacity (cN/Tex) | 40 - 60 |
| Dry elongation (%) | 15 - 30 |
| Wet elongation (%) | 15 - 30 |
CHEMICAL PROPERTIES: |
|
| Resistance to acids | Very strong |
| Resistance to bases | Strong |
| Resistance to solvents | Strong |
| Resistance to micro-organisms | Very strong |
| Resistance to oxidizers | Very strong |
| Sensitive to | Aromatic compounds - Dissolution with high temperature in chlorinated solvents |
2- PRODUCTS: |
|
| Diameter of fibers (dTex) | 3,3 |
| Diameter of fibers (microns) | 17 |
| Lenghtes of fibers (mm) | 0,5 à 6 |
| Possible chemical treatments | pH - Desensimage |
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