About Raw silk
Mulberry silk yarn
TECHNICAL SPECIFICATIONS
| Parametr | raw silk 27/29D No 310 | raw silk 20/22D No 429 |
| Metric number | 310 | 429 |
| Tex | 3,23 | 2,33 |
| Relative deviation from the nominal linear density | + 6.0 -5.6 | + 6.0 – 5.6 |
| Linear density variation index (%) (not more than 100m) | 11 | 10,5 |
| Packing quality a number of breaks per 1 kg, not more than | 13 | 21 |
| Inconformity, points | 8 | 5,4 |
| Purity of major flaws % not less than | 91 | 93 |
| Unit breaking strain % , not less than | 18,5 | 18,4 |
| Relative breaking load % (not more than 1kg) | 32,6 | 32,4 |
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