We have been facing yellowing on the fabrics kept at stores,all the test results were passing like PH,Phenolic yellowing,Formaldehyde,Light and BGF but we couldn;t come to an solution .Hence we have finally kept the fabric exposed in sunlight for a day and found that it has totally became yellow in the exposed area.So please advise whether the fabric stored can be wrapped with a opaque cover and also in the dark room to avoid the issue.
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SureshUnfollow Follow Suresh
Suresh Kumar • Your fabric is definately containing some chemicals and its Ph is not neutra.; The test done by you is not correct. You may send your fabric sample to our lab for correct test and evaluation. We can definately suggest a solution. Dyetech Consultants ( Testing Lab Division} 98 Ind Area A Ludhiana. PH 08528806039, India
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ShaileshUnfollow Follow Shailesh
Shailesh Shah • what kind of fabric, Is it 100% cotton or other blend?
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DanUnfollow Follow Dan
Dan Koshak '50 • Check your softeners used
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JayakumarUnfollow Follow Jayakumar
Jayakumar Gopalakrishnan • The possibilitiess are 2.
1. The store illuminant is damaging the OBA , Fluorescent illuminants contain UV and can be quite damaging, especially the new CFL lamps.
2. The fabric was not neutralized properly, the ISO pH test does