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cetyltrimethylammonium bromide(TCAB)CAS NO.57-09-0

cetyltrimethylammonium bromide (analytical reagent TCAB) CAS No.57-09-0 White or colorless crystal powder

Spunbond SSS White Outer Non-woven Fabric

Health and environmental protection, quality assurance

Chinese Manufactory Raw Material Nose Strip l for Disposable Protective Face Mask or Kids Mask.

The nose bridge is a thin plastic strip inside the mask, which is fixed on the nose bridge

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