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Wood Adhesives
Troubleshooting Assembly Gluing
The following information is a summary of potential issues and recommendations. Check out our complete Assembly Gluing Guide for additional recommendations!
Issue: Weak joint
Possible Causes:
- Loose part fit | Recommendation: Part should fit snugly but not require undue assembly force
- Joint design (dowels too short, etc.) | Recommendation: Redesign joint
- Glue setting too quickly/too slowly | Recommendation: Please contact technical support
- Insufficient glue coverage | Recommendation: Apply uniform coating of glue to all parts of joint
- Burnished surfaces | Recommendation: Sharpen cutter blades
- Overspray of finish on gluing surface | Recommendation: Remove finish before gluing
- Undercured or frosted glue lines due to low temperature | Recommendation: Raise plant, wood, and adhesive temperature
- Undercured or frosted glue lines due to short clamp time| Recommendation: Increase clamp time
- High Moisture Content | Recommendation: 6-8% moisture content recommended
Issue: Black glue lines
Possible Causes:
- Iron contamination in adhesive | Recommendation: Isolate and eliminate contact source of wet adhesive with iron or steel
Issue: Brilliant white on glue squeeze-out and/or glueline
Possible Causes:
- "Chalking" caused by low temperature | Recommendation: Raise temperature of plant, wood and adhesive above minimum use temperature of adhesive
Corporate Contact
Audrey L. Albright
Technical Marketing Specialist
E: audreyalbright@franklininternational.com
T: 1.800.877.4583
Corporate Contact
Mark Schroeder
Vice President of Marketing
E: markschroeder@franklininternational.com
T: 614.445.1507
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More information is available about our complete product offerings. Our experts can recommend specific solutions for your needs.
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