LOCTITE® SF 770 Surface Prep

Known as LOCTITE 770

Features and Benefits

Primer for making polyolefin and other low-energy surfaces suitable for bonding with LOCTITE® instant adhesives. Only recommended for difficult-to-bond substrates.
LOCTITE® SF 770 is a primer for making difficult-to-bond substrates and low energy surfaces suitable for bonding with LOCTITE® instant adhesives. Ideal for polyethylene, polypropylene, polytetrafluoroethylene (PTFE) and thermoplastic rubber materials, it fluoresces for quality control and inspection. Not recommended in assemblies where high peel strength is required.
  • Prepares low-energy surfaces for bonding with instant adhesives
  • Only for difficult-to-bond plastics
  • Fluorescent under UV for quality control
  • Not recommended where high peel strength is required
  • IMPORTANT: this product was upgraded in 2021/22. Use the correct product IDH/item number to ensure correct SDS is downloaded.
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Technical Information

Application method Pre-Applied
Color Ultra Clear
Key characteristics Adhesion: Improves Adhesion
Key characteristics, Chemical Basis/Base Heptane (Original Formula); Isopropyl Acetate (Upgrade Formula) Solvent Based