20 A 74 by KK Kompounding Tech Giant is a crystal clear, non-toxic, non-migratory polyvinylchloride (PVC) resin stabilized with calcium and zinc. It is free from heavy metals, gels & fish eyes, odor & taste and exhibits kink resistance as per BS 3169 Approx. B. Specially formulated to resist discoloration and degradation during processing. Designed for processing by extrusion. 20 A 74 is used in soft medical tubes. Complies with IS, FDA and USP regulations.