Fabric hardness test results.
| Parameters | PET fabric | STF1/PET fabric | STF2/PET fabric | STF3/PET fabric | STF4/PET fabric |
|---|---|---|---|---|---|
| Extension elongation (mm) | 46.60 | 45.90 | 46.50 | 46.57 | 46.57 |
| Bending length (mm) | 22.70 | 22.33 | 22.65 | 22.67 | 22.67 |
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