The Nitto clear tape series covers No.31B and 31B-75 clear test tapes, No.5603 PET double-sided tape and No.591 waterproof double-sided tape, designed for electrical insulation, electronic fastening and waterproof bonding. Built on PET backings and acrylic adhesives, they combine heat resistance, voltage resistance and dimensional stability, for high-voltage testing, precision lamination and fastening in humid environments.
Product specifications
| Item | Clear test tape (31B) | Clear test tape (31B-75) | PET double-sided tape (5603) | Waterproof double-sided tape (591) |
|---|---|---|---|---|
| Backing | PET polyester film | PET polyester film | PET polyester film | Nonwoven |
| Adhesive | Acrylic | Acrylic | Acrylic (double-sided) | Pressure-sensitive acrylic (double-sided) |
| Length | 50 m | 50 m | 50 m | 50 m |
| Peel strength | 5.5–7.5 N/19 mm | 5.5–7.5 N/19 mm | 8–10.4 N/20 mm | 10–15 N/20 mm (after 24 hours) |
| Tensile strength | 100–196 N/19 mm | 100–196 N/19 mm | High (to steel plate) | High (holding power) |
| Elongation | 110–130% | 110–130% | Low stretch | Flexible |
| Breakdown voltage | 5.5–11.0 kV | 5.5–11.0 kV | – | – |
| Temperature range | Heat resistant (depends on thickness) | Heat resistant | −20 °C to 120 °C | −10 °C to 80 °C |
| Protection | No IP rating (for insulation) | No IP rating | Solvent / chemical resistant | Waterproof (high humidity / immersion) |
Features
By model
- No.31B clear test tape: PET polyester film backing, breakdown voltage 5.5–11.0 kV, electrolytic corrosion factor 1.00, for transformers, motor coils and high-voltage electrical test insulation
- No.31B-75 clear test tape: same specifications as the 31B series, for automated feeding and large rolls
- No.5603 PET double-sided tape: high-tack acrylic double-sided tape, −20 °C to 120 °C, for electronic components, panels and film lamination
- No.591 waterproof double-sided tape: special nonwoven backing with high water resistance, for humid environments, outdoor equipment and waterproof fastening in buildings
Common features
- Acrylic adhesive with stable adhesion that resists aging
- Clear or low-visibility design for positioning and visual inspection
- Good dimensional stability, does not stretch or deform easily
- Supports cutting, winding and automated application
- Removes without leaving much residue, for precision electronics and repair
Applications
- Electrical insulation wrapping of transformer, motor and capacitor coils
- High-voltage electrical testing, protection and fastening of electronic components
- Lamination of electronic components, LCD modules and FPC parts
- 5S/6S desk positioning and warning lines on equipment
- Waterproof fastening in outdoor electronic equipment, automotive interiors and buildings
- Bonding in humid, hot or high-voltage conditions
Choose a test tape or double-sided tape model for your application. Please ask for specification checks, slitting and volume quotes.
Trademarks: Nitto and the model names on this page are trademarks or model names of their owners, used here only to identify the products. JIAHON is not the authorized distributor of this brand in Taiwan.
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