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Heat-resistant sewing thread - Арамидные нити
Heat-resistant sewing thread
High-strength heat-resistant sewing threads exhibit low stretchability and have the same strength as the most strong materials both in normal conditions and under the influence of high temperatures, aggressive substances, open fire, repeatable mechanical influence and other.
Because of the double twisting and treatment with organosilicon compounds the threads exhibit increased resistance to the needle abrasive action and to the repeated folding during sewing process.
|Threads designation||60 NSHT||120 NSHT||250 NSHT|
|1. Resultant value of nominal linear density, tex||60.0||120.0||250.0|
|2. Relative deviation of resultant actual linear density from resultant nominal linear density, %||± 7||± 7||± 7|
|3. Specific breaking load, cN/tex, no less than||230||230||175|
|4. Variation coefficient of breaking load, %, no more than||10.0||10.0||10.0|
|5. Elongation at break, %, no less than||3.0||3.0||3.0|
|6. Amount of twists per 1 m of thread after the final twist, tw/m||360 + 50||280 + 50||280 + 50|
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