3M™ Polyimide Film Electrical Tape 1205

3M™ Polyimide Film Electrical Tape 1205 combines high-temperature performance with exceptional chemical resistance, perfect for advanced electrical insulation and masking applications. With its non-outgassing, silicone adhesive, it’s ideal for sensitive electronic assemblies, cleanroom applications, and high-performance equipment. It offers a reliable bond without degradation, ensuring critical protection and longevity in environments requiring both durability and cleanliness.

Applications include: High-temperature masking, electrical insulation in printed circuit boards (PCBs), wrapping coils, capacitors, wire harnesses, transformers and anchoring leads.

Technical Datasheet

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Product Details

Highly conformable with a pressure-sensitive, acrylic adhesive
Flame-retardant and has polyimide backing
UL Listed and RoHS 2011/65/EU Compliant

Technical Highlights

Property	Specification
Adhesive Material	Acrylic
Application	Insulation
Backing (Carrier) Material	Polyimide
Backing (Carrier) Thickness (Metric)	0.025 mm, 1 mm
Dielectric Strength	7500 V
Electrolytic Corrosion Factor	1
Elongation at Break	55%
Insulation Resistance	1 x 10^6 megohms
Maximum Operating Temperature (Celsius)	155 °C
Maximum Operating Temperature (Fahrenheit)	311 °F
Minimum Operating Temperature (Celsius)	-40 °C
Minimum Operating Temperature (Fahrenheit)	-40 °F
Product Color	Amber
Shelf Life	5 Year
Certifications	RoHS 2011/65/EU, UL 510A
UL File	E17385
Tensile Strength (Metric)	53 N/cm
Total Tape Thickness without Liner (Imperial)	3.2 mil
Total Tape Thickness without Liner (Metric)	0.81 mm