Identifica o material do bucle da máscara

A seguinte descrición detallada é o xeito de identificar o material do aro da máscara

Identifica o material do bucle da máscara. As persoas con moita experiencia comprenderán o material do aro da máscara, o grosor total e ancho da máscaraaro auricular, etc., as soon as they touch the maskaro auricular. However, as a novice who has just stepped into the field of entrance shieldaro auricular, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish thearo auricular of the mask include: touching (the feel of thearo auricular 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 maskaro auricular 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 maskaro auricular.