POW.DER ADDITIVE USED IN PAINT PRODUCTION ANTI-SCRATCH PAINT FOR PAINT SURFACE 4KG/BAG BRAND KONN CHEMICAL BRAND NAME PARA-TOLUENESULFONIC ACID CAS 6192-52-5 SAMPLE GOODS WITHOUT PAYMENT 100% NEW
POW.DER ADDITIVE USED IN PAINT PRODUCTION ANTI-SCRATCH PAINT FOR PAINT SURFACE 4KG/BAG BRAND KONN CHEMICAL BRAND NAME PARA-TOLUENESULFONIC ACID CAS 6192-52-5 SAMPLE GOODS WITHOUT PAYMENT 100% NEW