Download or read book GB T 19243 2003 Translated English of Chinese Standard GBT 19243 2003 GB T19243 2003 GBT19243 2003 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-04-27 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This standard specifies three test methods for evaluating the staining of vulcanized rubber or thermoplastic rubber in contact with organic materials: Method A - Contact stain and migration stain; Method B - Extraction stain; Method C - Penetration stain. This standard applies to the evaluation of the grade of staining of vulcanized or thermoplastic rubber in contact with organic materials.