polyester base वाक्य

there is no danger for fabric because its completely polyester based fabric so strong scid or base aint gona effect the fabric all I want to know which powder base chemical will effect the printing paste.
Now, they may still colloquially be called 15-or 30-" pound " felt but are technically called " No . 15 " or " No . 30 ", and the fibreglass and polyester base felts are lighter weight.
However, the film loaded in a Single-8 cartridge has exactly the same dimensions as Super 8 ( though it is made of a thinner & stronger polyester base, rather than the acetate base of Super 8 film ), and can be viewed in any Super 8 projector after processing.
Microfilm with a cellulose acetate base ( popular through the 1970s ) is frequently subject to vinegar syndrome, redox blemishes, and tears, and even preservation standard silver halide film on a polyester base can be subject to silvering and degradation of the emulsion all issues which affect the quality of the scanned image.