Min. Order Reference FOB Price
1 Piece US$1.00-99,999.00 / Piece
Product Description
Each pack contains a test sheet that is printed with a B-D test sheet which changes from yellow to dark brown/black when processed in standard B-D test process. The B-D test sheet is wraped within paper, form, laminated paper, and wrap paper to simulate a towel pack. 1.ISO11140-4 standard ...