Download or read book YY T 1511 2017 Translated English of Chinese Standard YYT 1511 2017 YY T1511 2017 YYT1511 2017 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-09-14 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies performance requirements and test methods of collagen sponge. This Standard is applicable to sterile collagen sponge. This Standard is not applicable to sponge prepared with genetically engineered collagen and collagen sponge that contains other materials.