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Master Bond adhesives

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Saint-Gobain CHR® 2255-2 High Modulus PTFE Film Backing Silicone Adhesive Pressure Sensitive Tape
Categories: Polymer; Adhesive; Tape; Thermoset; Silicone

Material Notes: CHR® 2255 is manufactured from modified high-modulus PTFE film coated with high-temperature silicone adhesive.

Features/Benefits: CHR® 2255’s most outstanding properties are its high dielectric and tensile strength, which make it an extremely durable insulation tape. The high-temperature properties of the PTFE and silicone adhesive allow 2255 to perform in continuous temperatures up to 260 °C. A high-modulus tape, CHR® 2255 also exhibits low elongation which enables it to be applied with automatic wrapping equipment. The other outstanding features of 2255 include chemical inertness as well as low-friction, anti-stick and non-toxic properties, making it the right material for numerous applications. 2255 meets MIL-I-23594C U.S. Government specifications.

Applications: The excellent dielectric properties of this product combined with its high-temperature adhesive coating make 2255 an excellent choice as a high-temperature insulation product. CHR® 2255 is used in phase insulation for bundling end turns, spot bundling and anchoring breakouts. The aerospace industry also uses 2255 to protect airframe wire harnesses.
Information provided by Saint Gobain Performance Products.

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Mechanical PropertiesOriginal ValueComments
Elongation at Break 150 %
Tear Strength 30.0 pliInitial Tear Strength
Peel Strength 0.330 kN/mAdhesion to Steel
 
Electrical PropertiesOriginal ValueComments
Dielectric Breakdown 9000 V
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 500 °F
Minimum Service Temperature, Air -100 °F
 
Descriptive Properties
ColorGray

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PSTGQZ353 / 68867

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