3860-900 Green Silicone High Temperature Tape: Professional Choice for PCB Gold Finger Protection
Product Overview
3860-900 Green Silicone is a high-performance high-temperature tape designed for high-temperature masking and protection applications in the electronics industry. Made with premium transparent PET film and silicone adhesive, it features excellent heat resistance, stable peel strength, and good chemical corrosion resistance.
Key Features
1. Superior Temperature Resistance
Withstands temperatures up to 180℃. After 30 minutes at 180℃, the tape shows no shrinkage, no deformation, and no adhesive residue upon removal, ensuring the protected surface remains intact.
2. Stable Peel Strength
Steel plate peel strength is controlled within 900±150g/25mm, ensuring good adhesion while guaranteeing clean removal without residue or surface damage.
3. Precision Thickness Control
Total product thickness of 0.06±0.004mm, with PET film thickness of 0.038±0.002mm and silicone adhesive layer of 0.022±0.002mm. Precision thickness control ensures consistent product performance.
4. High-Strength Substrate
Tensile strength reaches 60N/25mm. Made with premium PET substrate, providing excellent mechanical strength and dimensional stability.
Application Fields
- PCB Gold Finger Protection: Protects gold fingers from oxidation or contamination during wave soldering, reflow soldering, and other high-temperature processes
- Electronic Component Fixing: Used for temporary fixation of electronic components during SMT processes
- High-Temperature Spray Masking: Suitable for powder coating, liquid spraying, and other high-temperature masking scenarios
- Other High-Temperature Protection: Widely used in electronics, electrical appliances, automotive, aerospace, and other industries for high-temperature masking and protection
Technical Specifications
| Item | Specification | Test Standard |
|---|---|---|
| Film Thickness | 0.038±0.002mm | GB/T 125-1999 |
| Adhesive Thickness | 0.022±0.002mm | GB/T 125-1999 |
| Total Thickness | 0.06±0.004mm | GB/T 125-1999 |
| Steel Plate Peel Strength | 900±150g/25mm | GB/T 2792-1998 |
| Tensile Strength | 60N/25mm | GB/T 30776 |
| Temperature Resistance | 180℃ | Enterprise Standard |
Usage Instructions
- Surface Cleaning: Ensure the surface to be adhered is clean, dry, and free of oil, grease, and dust before use
- Test Verification: Small-scale testing is recommended before large-area application to confirm product suitability
- Storage Conditions: Store in an environment at 5-35℃ with relative humidity below 70%
- Shelf Life: Best performance within 180 days from production date
- Test Environment: Standard test conditions are temperature 23±2℃, relative humidity 60±5%
Packaging Specifications
Standard packaging: 10mm/20mm/30mm width × 50m length/roll. Custom slitting specifications available according to customer requirements, providing personalized size solutions.
Why Choose 3860-900?
With its stable performance, reliable quality, and competitive pricing, 3860-900 Green Silicone has become the preferred high-temperature masking material for many electronics manufacturers. Whether for PCB manufacturing, SMT processing, or other high-temperature process protection, 3860-900 provides professional and reliable solutions.
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