Saint-Gobain CHR® K250 Polyimide Film Backing Silicone Adhesive Pressure Sensitive Tape

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Saint-Gobain CHR® K250 Polyimide Film Backing Silicone Adhesive Pressure Sensitive Tape
Categories:	Polymer; Tape; Thermoset; Polyimide, TS; Silicone
Material Notes:	CHR® K250 is manufactured from polyimide film with high-temperature adhesive. Features/Benefits: CHR® K250 has excellent mechanical and electrical properties, plus excellent dielectric strength. CHR® K250 has an outstanding resistance to cut through, and is impact and abrasion resistant. Acrylic adhesive can be thermoset. The polyimide backing meets MIL-P-46112B. Applications: CHR® K250 is constructed to fill the requirements of high performance thermoplastic polyimide backing materials. K250 fills the various needs in electronic assembly and electrical insulation applications. Information provided by Saint Gobain Performance Products.
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Mechanical Properties	Original Value	Comments

Elongation at Break	50 %
Tear Strength	30.0 pli	Initial Tear Strength
Peel Strength	0.220 kN/m	Adhesion to Steel

Electrical Properties	Original Value	Comments
Dielectric Breakdown	7000 V

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	500 °F
Minimum Service Temperature, Air	-100 °F

Descriptive Properties
Color	Amber

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PSTGQZ332 / 68846

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