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Select all	Attribute	Value
	Brand	3M
	Product Type	Electrical Tape
	Colour	Amber
	Width	25.4 mm
	Length	33m
	Backing Material	Polyimide
	Thickness	0.069mm
	Maximum Operating Temperature	80°C
	Trade Name	3M
	Minimum Operating Temperature	-10°C
	Standards/Approvals	RoHS Compliant

	Select all
	Brand 3M
	Product Type Electrical Tape
	Colour Amber
	Width 25.4 mm
	Length 33m
	Backing Material Polyimide
	Thickness 0.069mm
	Maximum Operating Temperature 80°C
	Trade Name 3M
	Minimum Operating Temperature -10°C
	Standards/Approvals RoHS Compliant

Exempt

COO (Country of Origin):: US

3M Electrical Tape, 25.4mm Width, 33m Length - 7100007737

This electrical tape is a thin amber insulating film designed for high-temperature masking and electrical insulation in electronics, automation and electrical work. It combines a polyimide backing with a silicone-based adhesive to provide stable performance during PCB processing and general wiring tasks where thermal resistance and flexible conformability are required.

Features & Benefits

• Silicone adhesive maintains adhesion after repeated thermal cycles
• Polyimide backing provides thermal resistance up to 80°C
• Thin 0.066mm profile minimises bulk on tight assemblies
• Available in 25.4mm width for precise edge definition
• Long 33m roll reduces changeovers in production runs

Applications

• Suitable for masking during soldering and wave-solder operations
• Ideal for insulating wires in control panels and harnesses
• Used for protecting circuit board areas during rework
• Can be used for temporary bundling of small cable runs
• Used with thermal processes in Electronic Assembly lines

How does the adhesive behave when exposed to heat during soldering?

The silicone adhesive retains tack and resists softening at elevated temperatures typical of soldering environments, helping prevent slumping or residue migration.

Can it be applied to irregular or curved surfaces?

Yes, the flexible polyimide film conforms to contours and maintains contact via the silicone adhesive, enabling reliable coverage on curved components and connectors.

How should stock be stored to preserve performance?

Store in a cool, dry place away from direct sunlight to maintain adhesive properties and prevent premature ageing of the polyimide backing.

Is the tape suitable for fine-pitch electronics work?

The thin film and 25.4mm width allow precise placement and minimal added thickness, making it appropriate for delicate PCB masking and component protection.

3M 3M Amber Polyimide Electrical Tape, 25.4 mm x 33 m

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