Download or read book JB T 6639 2015 Translated English of Chinese Standard JBT 6639 2015 JB T6639 2015 JBT6639 2015 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-12-23 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of rubber materials, skeletons and finished products of skeleton type rubber seals for rolling bearings. This Standard applies to the quality inspection and acceptance of skeleton type rubber seal materials and finished products. This Standard can work as a reference for the inspection and acceptance of skeleton-free rubber seal materials and finished products.