... starch adhesive, and stir for 15-20 minutes. Then adjust pH value to 9.5-10.5. Slowly add color developer ... SBR latex, and stir for 15-20 minutes. The final pH value of CF paste is about 7.5.Packaging, storage ... the skin by carelessness, rinse with detergent and water thoroughly. HOT SELL resin color developer RD9870A (pass EPA,REACH, patented products)