MicroCryl Fast – Braided & Coated Polyglycolic Acid Suture (PGA) is Absorbable Surgical Suture (U.S.P.) MicroCryl Fast is a synthetic, absorbable, and sterile suture made from 100% glycolide homopolymer. Designed for soft tissue approximation and ligation, it is ideal for ophthalmic procedures but not for cardiovascular or neurological tissues.