Zytex [India] Pvt. Ltd manufactures Lopac Enzyme. Zytex [India] Pvt. Ltd is an ISO - 9001 certified company and manufactures textile enzymes for denim garments, cotton garments and fabrics. The product Lopac Enzyme is an Acid cellulase preparation for denim finishing. This textile enzyme is used as a garment finishing chemical for washing. Lopac Enzyme gives high abrasion with lower backstaining.