Evalith® Glass Staple Fiber Products (sliver, yarn, twisted yarn, roving) - DE. Evalith® Glass Staple Fiber Products (sliver, yarn, twisted yarn, roving) - EN Glass Wool MATERIAL SAFETY DATA SHEET SDS/MSDS . In case of skin contact Wash off with soap and plenty of water. In case of eye contact Flush eyes with water as a ... As in 2007, the capacity in glass wool plant will be upgraded to 55. 000 tons / year and in rock wool plant, the capacity will be upgraded to 60. 000 tons / year. While IZOCAM glass wool products are produced by ISOVER Saint-Gobain, France license, Tel process, rock wool products G + H AG, Germany license, Sillan process.