... ptfe parts/products/components 4.Insulat Specifications1. PTFE bellows mechanical shaft seals; 2. Equivalent to JC 10T types ... Popular in USA,UK,Brazil,Aisa,Africa.PTFE bellows mechanical shaft seals are suitable for corrosive and aggressive ... new demands and market from industries of chemical engineering, mechanical, electronic, automobile, construction, pharmaceutical etc. We are adopting advanced ...