... same product our price have more advantages. Detailed Product Descriptioncaprolactam grade:1, Ammonium Sulphate 2, Nitrogen Content: 21% MIN3, ... 3 % MAX4, Color: colorless5. Free Acid: 0.03% max6. Grade Standard: caprolactam7. size: 1.5-4mm8. sulfur: 24%min Physical ... dyes,Deliming agent of leather,Beer making,Chemical agentStorage battery making, making compound fertilizer packaging 50kg/bag In PP ...