تحديد مادة القناع حلقة الأذن

2021/03/26

الوصف التفصيلي التالي هو طريقة التعرف على مادة حلقة الأذن الخاصة بالقناع

تحديد مادة القناع حلقة الأذن. سوف يفهم الأشخاص ذوو الخبرة مادة حلقة الأذن للقناع ، والعرض الكلي وسمك القناعحلقة الأذن, etc., as soon as they touch the maskحلقة الأذن. However, as a novice who has just stepped into the field of entrance shieldحلقة الأذن, it is obvious that it depends on the accumulation of work experience to achieve that level. The ways to distinguish theحلقة الأذن of the mask include: touching (the feel of theحلقة الأذن 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 maskحلقة الأذن 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 maskحلقة الأذن.