Následující podrobný popis je způsob, jak identifikovat materiál ušní smyčky masky
Určete materiál ušní smyčky masky. Lidé s bohatými zkušenostmi pochopí materiál ušní smyčky masky, celkovou šířku a tloušťku maskyušní smyčka, etc., as soon as they touch the maskušní smyčka. However, as a novice who has just stepped into the field of entrance shieldušní smyčka, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish theušní smyčka of the mask include: touching (the feel of theušní smyčka of the mask), observing its color, burning, etc.
Touch method, cotton mask ear straps, polyester mask ear straps made of cotton, feel soft, smooth, bright in color, smooth, and light in material; mask ear straps made of polypropylene cloth (PP) feel astringent and hard. Smooth, poor smoothness; polyester mask ears have a dull tone, but have good washing fastness and a heavier proportion; polyester staple silk (also known as polyester civilian silk, alias polyester) polyester civilian silk maskušní smyčka feel Similar to cotton material, it feels soft.
Combustion method: Use fire to ignite it, observe the burning flame, smell the smell after burning, look at the burned waste, and then distinguish the material of the maskušní smyčka.