The cross section of spunbond non-woven fabric becomes red after being left for a period of time
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Dear heroes: I have a question. We use different brands of PP materials to produce white non-woven fabrics. After a period of time, some sections become red, while others do not change color and remain white. What is the reason for the redness of the sections? Some formats have also changed color.
Place it in a warehouse without sunlight.
Check the control parameters and additive addition status. Determine whether it is an additive problem.