Tecnoflon® FOR 421/U
Fluoroelastomer (FKM)
Tecnoflon® FOR 421/U is a low viscosity cure incorporated fluoroelastomer copolymer. This grade is well suited for applications where superior flow, mold release, and excellent compression set are required. Tecnoflon® FOR 421/U can be compounded to meet the major fluoroelastomer specifications.
Some of the basic properties of Tecnoflon® FOR 421/U are:
• Very fast cure rate
• Very good scorch safety
• Superior mold flow
• Excellent mold release
• Lack of mold fouling
• Excellent compression set
• Good extrusion
Tecnoflon® FOR 421/U can be used for injection and transfer molding of O-rings, gaskets, and seals. Tecnoflon® FOR 421/U can be mixed using typical fluoroelastomers compounding ingredients and mixing can be accomplished with two roll mills or internal mixers. Tecnoflon® FOR 421/U can be extruded into hoses or profiles and can be calendered to make sheet stocks or belting. Finished goods can be produced by a variety of rubber processing methods.
Some of the basic properties of Tecnoflon® FOR 421/U are:
• Very fast cure rate
• Very good scorch safety
• Superior mold flow
• Excellent mold release
• Lack of mold fouling
• Excellent compression set
• Good extrusion
Tecnoflon® FOR 421/U can be used for injection and transfer molding of O-rings, gaskets, and seals. Tecnoflon® FOR 421/U can be mixed using typical fluoroelastomers compounding ingredients and mixing can be accomplished with two roll mills or internal mixers. Tecnoflon® FOR 421/U can be extruded into hoses or profiles and can be calendered to make sheet stocks or belting. Finished goods can be produced by a variety of rubber processing methods.
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