Thermal properties of LL threads:
melting point 260?C
temperature of the bottom plate of the iron <150 ?C
linear shrinkage in boiling water 1.5 per cent at a temperature of 100?C
Chemical properties of LL threads:
resistant to acid, alkali, organic solvents, bleaching, microorganisms and mould, chemical and wet washing
humidity 1%
Threads have high strength, elasticity, wear resistance, insignificant shrinkage.
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