Sainaithin ábhar an earloop masc

2021/03/26

Is é an tuairisc seo a leanas an bealach chun ábhar anearloop masc a aithint

Sainaithin ábhar anearloop masc. Tuigfidh daoine a bhfuil saibhreas taithí acu ábhar anearloop masc, tiús leathan an mascearloop, etc., as soon as they touch the maskearloop. However, as a novice who has just stepped into the field of entrance shieldearloop, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish theearloop of the mask include: touching (the feel of theearloop 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 maskearloop 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 maskearloop.