Auto Steel and Rubber Industries Private Limited supplies Brass Rubber Bonded Seal. Auto Steel and Rubber Industries Private Limited is an ISO 9000-2000 and ISO/ TS 16949 registered company. Auto Steel and Rubber Industries Private Limited manufactures different rubber products. Brass Rubber Bonded Seal is used in brake seals for railway brake systems. The most suitable rubber for Brass Rubber Bonded Seal is Nitrile rubber. This is because of its greater resistance to oil, heat and abrasion, which is inherent in the operation. These seals also find their applications in cushioning and abrasion resistance requirements.