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Metal adhesives

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Saint-Gobain CHR® 2925-7 Glass-Foil Backing Silicone Adhesive Pressure Sensitive Tape
Categories: Polymer; Adhesive; Tape; Thermoset; Silicone

Material Notes: CHR® 2925 and 2995-11R are manufactured from aluminium foil laminated to fibreglass cloth with high-temperature silicone adhesive on one side.

Features/Benefits: CHR® 2925’s high-temperature silicone adhesive allows the product to withstand continuous high temperatures, and prevents tape slippage after application. CHR® 2995-11R is formed by laminating 0.127 mm, dead soft aluminium foil to fibreglass fabric and applying a special blend of high-temperature silicone adhesives. The backing provides an excellent combination of strength, flexibility and heat resistance. Both 2925 and 2995-11R have excellent strength and flexibility, which provides easy wrapping of complex shapes and minimizes wrinkling.

Applications: CHR® 2925 performs as a plasma or flame spray masking tape, allowing areas to be free of grit blasting and the plasma spray coating. Its high-temperature resistance makes it ideal for heat and reflectant tapes, and it is used in aerospace and automotive markets as a wire harness bundling tape in engine components. CHR® 2925 also is used as a sound and vibration dampening product. CHR® 2995-11R is designed for extremely high demand thermal spray applications, such as HVOF and High Detonation Systems. It provides excellent abrasion and temperature resistance and conforms very well to a wide variety of surface configurations. The extremely aggressive adhesive system assures the tape stays in place throughout the entire coating process and will release cleanly after use, reducing the cleaning of the coated parts.

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Mechanical PropertiesOriginal ValueComments
Elongation at Break 7.0 %
Tear Strength 22.8 kN/mTensile Strength
Peel Strength 0.660 kN/mAdhesion to Steel
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 260 °C
Minimum Service Temperature, Air -73.0 °C
 
Descriptive Properties
ColorAluminum

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PSTGQZ386 / 68900

Metal adhesives

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