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tesa 51970 Transparent Double-Sided PP Mounting Tape | Bonds PP/PE
tesa 51970 Transparent Double-Sided PP Mounting Tape | Bonds PP/PE
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tesa 51970 is a 220 µm (8.7 mil) transparent double-sided PP film tape engineered for permanent industrial mounting and bonding — trusted across multiple industries for plastic and wooden trims, signs, point-of-sale displays, decorative materials, and appliance components. Where other double-sided tapes fail on difficult low-energy surfaces like PP and PE, its highly tackified acrylic adhesive delivers immediate, reliable adhesion — even on rough or slightly dirty substrates — while staying invisible through the transparent film.
The tackified acrylic adhesive combines very high initial tack, immediate adhesion, and long-term aging resistance, making it suitable for outdoor and UV-exposed applications. The tape withstands humidity, UV light, and temperatures up to 130°C / 266°F short-term and 80°C / 176°F long-term. A fingerlift version with extended liner (tesa 61970) is also available.
Responsibly sourced paper liner — unbleached, 30% recycled fibers, FSC® certified.
Key Features
- Highly tackified transparent PP film — Bonds remain invisible after application; ideal for transparent signs, scales, and decorative displays
- Very high initial tack and immediate adhesion — Bonds instantly on contact; no clamping or wait time for most applications
- Bonds low surface energy substrates — Reliable adhesion to difficult materials including PP and PE where standard tapes fail
- Light- and aging-resistant acrylic adhesive — UV-stable for long-term indoor and outdoor applications
- Humidity and environmental resistance — Very good humidity resistance; good chemical, softener, and UV resistance
- High-temperature performance — Up to 80°C (176°F) long-term; up to 130°C (266°F) short-term
- Sustainable liner — tesa More Sustainable Paper Liner: FSC® certified, unbleached, 30% recycled fibers
- SVHC free & RoHS compliant — Free of SVHC substances (or <0.1%); free of heavy metals, PBBs, and PBDEs per RoHS Directive
Applications
- Mounting plastic and wooden trims in automotive, appliance, and interior fitout
- Mounting transparent signs, scales, and point-of-sale displays
- Mounting decorative materials and displays
- Bonding and mounting in the appliance industry
- Secure bonding on low energy surfaces such as PP and PE
- General industrial mounting on rough or slightly dirty substrates
Specifications
| Backing | Polypropylene (PP) film, transparent |
| Adhesive | Tackified acrylic (double-coated, both sides) |
| Liner | Glassine paper (More Sustainable Paper Liner: FSC® certified, 30% recycled, unbleached) |
| Total thickness | 220 µm (8.7 mil) |
| Tensile strength | 50 N/cm (28.6 lb/in) |
| Elongation at break | 150% |
| Temperature resistance (long-term) | 80°C (176°F) |
| Temperature resistance (short-term) | 130°C (266°F) |
| Temperature resistance (min.) | −40°C (−40°F) |
| Tack | Very good |
| Humidity resistance | Very good |
| UV / aging resistance | Good |
| Color | Transparent |
| Size options | 1" and 2" widths × 55 yd |
Adhesion Values (initial / after 14 days)
| Steel | 13.0 N/cm (118.8 oz/in) / 13.5 N/cm |
| Aluminium | 11.5 N/cm (105.1 oz/in) / 12.5 N/cm |
| Polycarbonate (PC) | 15.0 N/cm (137.0 oz/in) / 16.5 N/cm |
| ABS | 12.5 N/cm (114.2 oz/in) / 14.5 N/cm |
| PET | 11.0 N/cm (100.5 oz/in) / 11.5 N/cm |
| PVC | 11.5 N/cm (105.1 oz/in) / 17.5 N/cm |
| PP | 8.5 N/cm (77.7 oz/in) / 10.0 N/cm |
| PE | 7.0 N/cm (64.0 oz/in) / 8.0 N/cm |
Product Attributes
| Manufacturer | tesa SE |
| Manufacturer P/N | tesa 51970 |
| Country of Origin | Germany |
| Color Family | Transparent (clear) |
| Pack Quantity | 1 Roll, 3 Rolls, or Case |
| Fingerlift version | tesa 61970 (extended liner) |
Compliance
- SVHC free (or <0.1%) per REACH
- Free of heavy metals, PBBs, and PBDEs per RoHS Directive
- VDA278 analysis: contains no substances restricted by China GB regulations or Japan's indoor concentration guidelines
- Not classified as hazardous per CLP Regulation (EC) No 1272/2008
