Miscellaneous CAUSE SOLUTION Problem: Glossy Bond Line Inadequate temperature Increase temperature Lack of pressure Increase pressure Problem: Chalking Adhesive, stock or plant at low temperature ideal bonding at 65°f (18°c) temp. Problem: Adhesive On Only One Surface (No Transfer) Poor joint Improve joint Long open time Lower open time Precure Check moisture content or shorten assembly time Low pressure Increase pressure to recommended Problem: Dark Stain In Adhesive Joint Iron contamination Check to see if adhesive is in contact with iron materials such as drums or equipment parts Problem: Telegraphing To Face Dirt, chips, etc. On core surface Keep laminating area clean Surface defects on materials Clean and inspect surface before laminating Differential density Press at minimum safe pressure and check thickness of lumber band relative to core Improper spreader grooving Check recommended spread rate Excessive pressure Reduce pressure Poor veneer splice lines Be sure they have intimate contact     Why Choose National Casein® ? Our adhesive experts can help Our Sales and technical representatives are specialists in woodworking adhesives. They're trained to solve bonding problems right on the job, so you don't have to hold up production! Contact a National CaseinŽ representative today. We can answer any of your questions in a matter of minutes. Site Designed By: Spectrum Communications & Consulting, Inc.