Cut fibers : continuous fibers having been worked on a chopper with guillotine. The obtained lengthes are controled.
Technical fibers
CALIBRATED ÉCRUE ACRYLIC
1- FIBER: |
|
| Synthetic fiber | (CH2CHCN)n |
PHYSICAL PROPERTIES: |
|
| Reaction to the heat | Averagely flammable - Point of sticking in 180°C |
| Resumed in humidity (%) : (25°C. - 65% H.R.) | 2 |
| Resistance in the UV | Very strong |
| Specific density (g/cm3) | 1,15 |
MECHANICAL PROPERTIES: |
|
| Dry tenacity (cN/Tex) | 25 - 35 |
| Wet tenacity (cN/Tex) | 20 - 25 |
| Dry elongation (%) | 30 - 40 |
| Wet elongation (%) | 30 - 40 |
CHEMICAL PROPERTIES: |
|
| Resistance to acids | Strong |
| Resistance to bases | Strong |
| Resistance to solvents | Very strong |
| Resistance to micro-organisms | Very strong |
| Resistance to oxidizers | Very strong |
| Sensitive to | Hot alkalis - Soluble in the dimethylformamid and the nitric acid with cold |
2- PRODUCTS: |
|
| Diameter of fibers (dTex) | 6,7 - 17 |
| Diameter of fibers (microns) | 27 - 43 |
| Lenghtes of fibers (mm) | 2 - 4 - 6 |
| Possible physical treatments | Control of the humidity rate - Defibrement |
| Possible chemical treatments | pH - Desensimage |
Applications
| Paints - fillers | Aspect / technical caracteristics |
| Cement - concrete | technical caracteristics |
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