Raw materials (polypropylene grades 564S and 565S) required for the production of facial masks are supplied by petrochemical companies in the country aware of their role in contributing to the people's need to protect themselves against the coronavirus.
Since the beginning of the epidemic in February, the production of polypropylene granules used in spun-bond fabric from which masks and protection suits, has increased, the National Petrochemical Company news website Nipna reported.
In the past eight months over 16,000 tons of 564S and 565S grades were produced by petrochemical companies and sold to local mask manufacturers.
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