Technical Specifications for PVC Coated Kate Fabric (Material for Militia and Self-Defense Forces Uniform)
National Standard TCVN/QS 1822:2021
Militia and Self-Defense Force Uniforms
Issued together with Circular 94/2021/TT-BQP, wherein Appendix B stipulates the Technical Specifications for the materials of the Militia and Self-Defense Force Uniforms, the Technical Specifications for PVC Coated Kate Fabric (Table B.31) are as follows:
| Specification | Level, Requirement |
| 1. Yarn count, Nm: | |
| - Warp | 76/1 (± 3) |
| - Weft | 76/1 (± 3) |
| 2. Weaving pattern | Dobby |
| 3. Yarn density, yarns/10 cm: | |
| - Warp | 450 ± 10 |
| - Weft | 300 ± 10 |
| 4. Weight per unit area of the finished PVC coated fabric, g/m^2^ | 335 ± 10 |
| 5. Fabric width, cm | 150 ± 5 |
| 6. Thickness of the finished PVC coated fabric, mm | 0,34 ± 0,02 |
| 7. Tensile strength of the raw fabric strip, N, not less than: | |
| - Warp | 500 |
| - Weft | 450 |
| 8. Tensile strength of the fabric strip after 72 h aging (70 °C), N, not less than: | |
| - Warp | 600 |
| - Weft | 400 |
| 9. Low-pressure water resistance, no penetration, mmH2O/1 h: | |
| - Raw | 500 |
| - After 72 h aging (70 °C) | 500 |
| 10. Colorfastness to soap washing of Kate fabric layer (60 °C), grade, not less than: | |
| - Fade | 4 |
| - Stain | 4 |
| 11. Colorfastness to rubbing of Kate fabric layer, grade, not less than: | |
| - Dry | 4 |
| - Wet | 4 |
| 12. Colorfastness to perspiration of Kate fabric layer, grade, not less than: | |
| - Fade | 4 |
| - Stain | 3 - 4 |
| 13. Colorfastness to seawater of Kate fabric layer, grade, not less than: | |
| - Fade | 4 |
| - Stain | 3 - 4 |
| 14. Colorfastness to artificial light of Kate fabric layer, grade, not less than | 4 |
| 15. Residual formaldehyde content on fabric, mg/kg, not more than | 300 |
| 16. Color deviation of each color spot compared to standard sample color (∆E), not more than | 1,2 |
Respectfully!
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