polyimide tape with acrylic adhesive | Silicone-Free High-Temp Insulation - STK
STK's Acrylic Adhesive Polyimide Tape is a highly specialized, non-silicone dielectric insulation tape engineered for environments where silicone contamination must be strictly avoided. Combining an ultra-stable polyimide film backing with a high-performance cross-linked acrylic pressure-sensitive adhesive (PSA), this tape provides reliable electrical insulation and mechanical protection without affecting sensitive chemical or functional surfaces.
In high-end microelectronics, medical imaging hardware, aerospace sensors, and nuclear environments, traditional silicone adhesives pose a catastrophic engineering risk known as "contact poisoning." Under elevated temperatures, silicone outgasses, forming insulating silica films on relay contacts, optical lenses, and semiconductor surfaces, leading to system failures. STK's acrylic-formulated polyimide tape directly neutralizes this risk:
Complete Silicone-Free Contamination Avoidance
Engineered with a pure acrylic matrix, this tape guarantees zero silicone cross-contamination, ensuring that critical micro-switches, gold-plated connectors, and optical paths remain pristine post-processing.
Superior Chemical, Acid & Alkali Resistance
Unlike silicone adhesives which soften under certain chemical exposures, our cross-linked acrylic adhesive demonstrates high tolerance against industrial solvents, hydraulic fluids, organic acids, and aggressive chemical plating baths.
High Radiation Resistance
Optimized to retain its physical strength and dielectric properties when exposed to high gamma radiation levels, making it ideal for nuclear instrumentation and deep-space electronic enclosures.
Technical Specifications
| Item | Specification |
|---|---|
| Product Description | Polyimide Film Tape with Acrylic PSA |
| Film Thickness (mm) | 0.025 |
| Overall Thickness (mm) | 0.06 |
| Adhesive System | Acrylic Adhesive |
| Carrier Material | Polyimide Film |
| Appearance Color | Amber |
| Liner Type | PET Release Film |
| Peel Adhesion to Stainless Steel (N/25mm) | 10 ± 3 |
| Elongation at Rupture (%) | 25% – 55% |
| Dielectric Strength (kV) | 4 |
| Intermittent Temperature Resistance (°C) | 220 |
| Continuous Operating Temperature (°C) | 180 |
Cross-Industry B2B Application Ecosystem
STK's acrylic-system polyimide tape is an approved raw material across advanced, high-stakes manufacturing sectors:
1. High-Reliability & Semiconductor EMS
Masking printed circuit boards (PCBs) and gold contact fingers during specialized chemical solvent washing, acid etching, or conformal coating applications where silicone would ruin surface adhesion.
2. Aerospace & Satellite Avionics
Wrapping internal instrumentation wires, data cables, and sensor arrays inside spacecraft cabins and satellite hulls to strictly prevent outgassing and sensor blindness under high-vacuum and radiation conditions.
3. Medical Imaging & Diagnostic Equipment
Serving as a clean, reliable insulation layer inside MRI machines, CT scanners, and surgical electronic controls, ensuring compliance with strict medical outgassing regulations.
4. Nuclear Power Controls
Permanent electrical terminal insulation and coil insulation wrapping inside reactor control rooms, where standard silicone adhesives degrade under constant exposure to radiation fields.
B2B Custom Conversion & Factory Supply Capabilities
Custom Slitting & Log Formats:
We convert master logs into any required custom width (from 3 mm up to 1000 mm), ensuring sharp and clean edges optimized for high-speed automated winding systems.
Precision Die-Cut Component Stamping:
Send us your CAD or PDF blueprints. Operating within Class 1000 cleanroom environments, we manufacture custom-shaped gaskets, masking discs, and localized insulation components with extended release liners for rapid automated placement.
Traceable Supply Security:
STK provides complete material batch certifications, including SGS, RoHS, and Halogen-Free compliance reports, supporting aerospace, medical, and automotive Tier-1 supplier qualification requirements.
Equipment
Why Choose Our Acrylic-Based Polyimide Tape?
Our 0.06mm Polyimide Tape with Acrylic adhesive is manufactured to the highest quality standards. It provides a perfect balance of performance, reliability, and ease of use for electronics engineers who require a residue-free solution for masking and protection.
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