| Message: | Non-woven fabrics are generally produced by using polypropylene (pp material) pellets as raw materials, which are melted at a high temperature, spun, laid, and hot-rolled continuously. Many traditional teabags use non-woven materials, which are relatively low in cost. If the non-woven materials meet the quality standards, they are safer. url:http://www.teabagfilter.org |
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