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Loctite SF 770 10 g primer for surface preparation prior to bonding with cyanoacrylate adhesives, for difficult-to-bond plastics PE, PP, PTFE Teflon and silicone rubber
Description
Loctite SF 770 10 g primer is a specialized surface treatment for polyolefins and other low-surface-energy materials that significantly enhances adhesion of Loctite cyanoacrylate adhesives.
Advantages and Unique Features
- Fast drying at room temperature
- High effectiveness on difficult-to-bond plastics (PE, PP, PTFE)
- UV-visible – simplifies coverage inspection
- Easy application: spray, brush, or dip
Properties and Applications
- Technology: primer for cyanoacrylate adhesives – boosts adhesion on polyolefins
- Solvent: isopropyl acetate – rapid evaporation
- Fluorescence: detectable under UV (365 nm) – application check
- Use: polyethylene, polypropylene, PTFE, Teflon, silicone rubber
Technical Parameters
| Parameter | Value |
|---|---|
| Capacity | 10 g |
| Density @ 23 °C | 0,87 g/cm³ |
| Viscosity (CP50-1, 3 000 s⁻¹) | 0,62 mPa·s |
| Drying time (polypropylene) | 9 s |
| Shelf life after application | 8 h |
| Fluorescence | Yes – under UV |
Storage Recommendations
Store in the original, tightly closed container at +8 °C to +21 °C. Avoid temperatures below +8 °C and above +28 °C, as well as high humidity and direct sunlight.
Loctite Henkel Premium Partner
Free delivery from 600 EURO to EU Countries*
+48 509 336 666


