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FFP standards EN149

EN 149 is a European standard of testing and marking requirements for filtering half masks. Such masks cover the nose, mouth and chin and may have inhalation an......

03-16

How to use the rating observation board

The rating observation board is to evaluate the wrinkle, smoothness and stitch marks of textiles, as well as oil stains, etc., and provide accurate AATCC standa......

03-25