Deskripsi rinci ing ngisor iki minangka cara kanggo ngenali materi saka cuping kuping
Ngenali materi sakacuping kuping topeng. Wong sing duwe pengalaman bakal ngerti bahan ing cuping telinga topeng, kekandelan jembar lan topeng kasebutcuping kuping, etc., as soon as they touch the maskcuping kuping. However, as a novice who has just stepped into the field of entrance shieldcuping kuping, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish thecuping kuping of the mask include: touching (the feel of thecuping kuping 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 maskcuping kuping 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 maskcuping kuping.