25μm Polyimide Film Adhesive Tape with Silicone Backing for High Temperature Insulation up to 280°C

Price Negotiable

Price: Usd1~5/roll

MOQ: 500m2

Delivery Time: 35 working days

Product Description

25μm High Temperature Insulation Polyimide Film Adhesive Tape

Premium polyimide silicone tape offering exceptional thermal stability and electrical insulation performance for demanding industrial applications.

Product Overview

This high-performance polyimide film tape features silicone adhesive and provides reliable protection in extreme temperature environments up to 280°C.

Construction & Materials

Base Film

Polyimide (PI) Film - 0.025mm thickness ±0.003mm

Adhesive System

Silicone adhesive for high temperature performance

Key Characteristics

• High mechanical strength and dimensional stability

• Excellent electrical insulation properties

• Superior temperature resistance: long-term 220°C, short-term 280°C

• Solvent and water resistant

• Operating temperature range: -73°C to 280°C

Technical Specifications

Parameter	Type 2321	Type 2321L
Total Thickness (mm)	0.06 ± 0.003
Base Film Thickness (mm)	0.025 ± 0.003
Breakdown Voltage (KV)	≥5
Insulation Resistance (Ω)	≥10¹³
Tensile Strength (N/10mm)	≥40
Elongation (%)	≥45
Adhesion to Steel (N/10mm)	≥2.4
Chemical Resistance (20% HCL/NaOH 10Hrs)	Bonding well, no delamination, no glue transfer
Releasing Film	No	0.075mm

Industrial Applications

Electronic Protection

• SMT wave soldering temperature protection

• Reflow soldering thermal shielding

• PCB gold finger protection

• SMD electronic transformers and relays

• High-temperature moisture protection for electronic components

Electrical Insulation

• H-class motor and transformer coil insulation

• High-temperature coil end wrapping and fixing

• Thermal resistance protection in high-temperature working conditions

Quality Assurance

Amber transparent appearance with smooth surface, free from creases, bubbles, foreign objects, and ensures no tearing or glue transfer during unwinding.