DeWAL DW303-5 is a polyimide tape featuring a silicone adhesive, specifically engineered for high temperature masking applications. It exhibits high temperature resistance, with a maximum operating temperature of 260¬8C (500¬8F), and serves as an effective electrical insulator, meeting Class H requirements. The tape has a backing thickness ranging from 0.0045 to 0.0055 inches and an adhesive thickness between 0.0012 and 0.0018 inches. It demonstrates a tensile strength of 8.04 kg/cm and a dielectric strength of 1,920 volts/mil. Available in widths from 0.25 to 20 inches and a roll length of 36 yards, this product is suitable for applications such as gold finger masking, coil insulation, and high temperature harness wrapping. The shelf life is one year under specified storage conditions.
This tape consisting of a 5 mil Polyimide Film and silicone adhesive is designed for high temperature masking applications, including the protection of printed circuit board gold finger contacts during wave soldering.
This product can also be used in electrical insulation applications meeting class H requirements.
APPLICATION INFORMATION
These tapes are primarily used electrical applications including gold finger masking, insulation in transformers, coils, flat cables and high temperature harness wrapping.
| DeWAL | |
|---|---|
| Product Category | Adhesive Tapes |
| Product Number | DW303-5 |
| Product Name | Polyimide Tape |
| Type | Cable; Electronics, Printed Circuit Boards or Semiconductors; Masking Tape; Adhesive Tape; Industrial Tape; Cable and Electrical Tape |
| Features | Dielectric / Insulating; Thermally Insulating |
| Backing | Polyimide (e.g., Kapton®); Plastic / Polymer |
| Adhesive | Single; Silicone |
| Width | 0.2500 to 20 inches (6.35 to 508 mm) |
