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Polyimide Masking Tape
The Polyimide Masking Tape is a high-performance masking solution designed for applications that require excellent high-temperature resistance, particularly in printed circuit board (PCB) manufacturing. This tape can withstand solder fluxes, molten solder, and cleaning solvents while ensuring clean removal without leaving any adhesive residue. With a removable silicone adhesive and a durable polyimide film, it provides reliable protection during various manufacturing processes.
Technical Specifications
- Material Type: Polyimide
- Finish: Gloss
- Adhesive Type: Removable Silicone
Performance Properties
- Short-Term High Service Temperature: No visible effect after 10 minutes at 464°F (240°C)
- Long-Term High Service Temperaure: No visible effect after 30 days at 320°F (160°C)
- Wave Solder Simulation: No visible effect after 10 seconds in molten solder at 518°F (270°C)
Physical Properties
- Adhesion to Surfaces:
- Stainless Steel: 13 oz/in (14 N/100 mm)
- Epoxy PC Board: 13 oz/in (14 N/100 mm)
- Thickness:
- Film: 0.0010 inch (0.025 mm)
- Adhesive: 0.0015 inch (0.038 mm)
- Total (excluding liner): 0.0025 inch (0.063 mm)
- Tack: 18 oz (515 g)
- Tensile Strength and Elongation: 31 lbs/in (543 N/100 mm), 58%
- Dielectric Strength: 6500 volts
Chemical Resistance:
The tape has been tested against various chemicals, showing no visible effect or leaving adhesive residue upon removal in most cases, ensuring it is suitable for harsh environments.
Shelf Life:
- Storage Conditions: Two years from the date of receipt when stored in original packaging at or below 80°F (27°C) and 60% RH.
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