Protective Clothing and Face Masks: Types of Raw Materials
2020-5-8 · Therefore, the two most important raw materials for the production of medical masks are spunbond nonwovens and meltblown nonwovens. The outer and inner layers of spunbonded nonwovens are mainly made of polyester and polypropylene, while the middle layer of meltblown nonwoven is mainly made of high fusion finger polypropylene.
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