A shipment of pure terephthalic acid can pass an assay check and still fail in a polyester spinning line. The lot may be 99.6% acid, yet a few ppm of 4-carboxy...
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A shipment of pure terephthalic acid can pass an assay check and still fail in a polyester spinning line. The lot may be 99.6% acid, yet a few ppm of 4-carboxy...
READ MORETwenty tonnes of yarn almost never fails because the polymer was wrong. It fails because the purchase order listed a denier and a colour but never the number t...
READ MOREA texturing mill that receives 150D/48F partially oriented yarn with elongation at break below 110% will spend the week chasing fuzz and broken filaments, howe...
READ MOREA specification sheet arrives with two words that decide price, certification and test planning: recycled polyester. The fibre itself is ordinary PET, the same...
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