LOCTITE SF 770 — Polyolefin Primer
LOCTITE SF 770 is a polyolefin primer designed for preparing low-energy surfaces for bonding with LOCTITE instant (cyanoacrylate) adhesives. The product is specifically used on difficult-to-bond plastic materials and is formulated to make these surfaces suitable for subsequent application of instant adhesive.
Features
- Function: Primer for preparing low-energy surfaces for LOCTITE instant (cyanoacrylate) adhesives.
- Intended Substrates: Polyethylene, polypropylene, PTFE (polytetrafluoroethylene), and thermoplastic rubber, as specified by the manufacturer.
- The product fluoresces under ultraviolet light, allowing for quality control and inspection.
- Recommendation: Only for difficult-to-bond substrates; not recommended for assemblies requiring high peel strength.
- Packaging variants specified by the manufacturer: 10 g bottle and 500 ml bottle (product text from the manufacturer also mentions a 16 fl oz can in the provided material).
Typical Applications
LOCTITE SF 770 is used to make low-energy and difficult-to-bond plastic surfaces suitable for bonding with LOCTITE instant (cyanoacrylate) adhesives. It explicitly covers the plastic types mentioned by the manufacturer:
- Pre-treatment of polyethylene and polypropylene before bonding with cyanoacrylate.
- Pre-treatment of PTFE and certain types of thermoplastic rubber to improve adhesion when using LOCTITE instant adhesives.
Specifications
- Product Name: LOCTITE SF 770.
- Manufacturer: LOCTITE (Henkel).
- Manufacturer's Part Number: 235024.
- Primary Function: Polyolefin primer for preparing low-energy surfaces for LOCTITE instant (cyanoacrylate) adhesives.
- Specified Substrates: Polyethylene, polypropylene, PTFE, thermoplastic rubber.
- Visibility: Fluoresces under ultraviolet light for inspection and quality control.
- Recommendations: Recommended only for difficult-to-bond substrates; not recommended for assemblies requiring high peel strength.
- Packaging Variants (as specified by the manufacturer): 10 g bottle; 500 ml bottle; 16 fl oz can mentioned in manufacturer's material.
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