Product Description
LOCTITE® 738 is designed to initiate the cure of Loctite toughened acrylic adhesives.
Directions for Use:
- Most surfaces may be bonded "as received" but contamination such as loose oxide layers or excessive oil may affect cure speed and bond strength. Cleaning is recommended if maximum strength is required.
- Brush on the activator to one of the mating surfaces to be bonded. Apply adhesive to other surface.
- For large gaps (>0.4 mm) or where maximum cure speed is required then treatment of both surfaces is recommended.
- Allow 1 to 5 minutes for solvent to evaporate. After the solvent evaporates, the active ingredients will appear wet, and will remain active for up to 2 hours after application. Contamination of the surface before bonding should be prevented.
- Where adhesive is applied onto an activated surface, assembly should be completed as quickly as possible (within 15 seconds).
- Secure the assembly and await fixturing before any further handling.
Cure speed vs. Bond Gap
Will cleaning my surfaces prior to installation affect bonding?
Where aqueous washing systems are used to clean the surfaces before bonding. it is important to check for compatibility of the washing solution with the adhesive. In some cases these aqueous washes can affect the cure performance of the adhesive.
Product Storage
Store product in the unopened container in a dry location with proper labeling. Material removed from containers cannot be reused and must be properly disposed of.
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