Cross-linkable fluoroelastomer, its composition and cross-linked rubber molded product

摘要

To provide a cross-linkable fluoroelastomer, a cross-linkable fluoroelastomer composition and a cross-linked rubber molded products thereof. A cross-linkable fluoroelastomer having a Mooney viscosity of from 20 to 300, obtainable by heat treating a mixture of a fluoroelastomer (A) and an organic peroxide (B) at a temperature of from 110 to 380° C. for from 10 seconds to 3 hours; a fluoroelastomer composition comprising the cross-linkable fluoroelastomer, a cross-linking agent (C) and a cross-linking assistant (D); and cross-linked rubber molded products thereof.