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4/30/2014 | 1 MINUTE READ

Closed molding consumables

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Airtech International introduced two extruded fluoropolymer films.


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Airtech International (Huntington Beach, Calif.) introduced two extruded fluoropolymer films: The first, Wrightlease 2R, is coated with a rubber-based (nonsilicone) pressure-sensitive adhesive. Its light green color is visible on most substrates. It offers multiple releases from all common resin systems and good adhesion to metals, composites, tooling blocks and rubber tooling. Its high elongation and strength reportedly ensures coverage of complex contoured surfaces. The other, Toolwright 3, is coated with a silicone pressure-sensitive adhesive and is thinner and, therefore, more easily applied over complex contours (see photo) than Toolwright 5. Toolwright 3 offers
not only high elongation and strength but high-temperature resistance and easy cleanup after removal. 
Benefits include extended tool life, tear resistance, fast application and improved part surface quality. Also on offer were two reformulated products: Airseal 2 sealant tape features improved tack, feel and cleanup as well as extended shelf life. Designed for room- and medium-temperature applications, it also can be used for vacuum bag applications at higher temperatures (Airseal 2 Tacky, a softer version, has better tack in colder environments). Airpad HTX now reportedly performs better than competing rubber caul sheet materials.
Benefits include low shrinkage; dimensional stability; good bonding to reinforcing layers and surfacing release films; aggressive self-bonding for easier repairs; high Shore hardness for better pressure intensification, and good solvent resistance.  


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