I would like to use polyester cotton as food filter cloth, please ask the experts whether or not, whether it conforms to the national standard?
Its yellow color does not matter, fiber color is not synthetic dyes, there is no problem. It's hard to say if it's dyed yellow. Bleaching destroys the dye, but does not mean that it completely removes all of the dye's decomposition products.
As long as the production part of the cloth is carried out in accordance with the standards prescribed by the state, there is no problem ah! Polyester fabric itself is non-toxic and harmless, certainly can be used. The water purifier PP cotton filter, is actually a kind of polyester, polypropylene synthetic fiber, under normal temperature is nontoxic and harmless.But there is a premise, can not be dyed, printed colored cloth, because it can not guarantee the use of dyes and auxiliaries non-toxic harmless
And these decomposition products are not sure to be poisonous and harmful, but they can not be determined. Therefore, from the cautious attitude, we should believe in it and not believe it. As for your food filter cloth, how high is it? And how much food do people eat? These will affect the final result. Suggest you still refer to colleague circumstance more. If you need to use this filter cloth, you may as well buy the natural polyester cloth directly.
