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Alphabond Technologies Ltd

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Fixing problems and best practices when using hot melts Identifying glue issues: 🔎 Blocked nozzles ✅ Flush the tank out and replace with fresh glue until no char is visible when draining ✅ Replace inline filters and nozzles ✅ Turn glue temperature down to reduce charring ✅ Upgrade glue to next generation to reduce char ✅ Ensure no debris is getting into tank (cardboard dust, food etc) ✅ Increase nozzle size to reduce instances of blocked nozzles 🔎 Charring ✅ If carbonisation occurs, flush the old glue out and refill once all char is cleared out ✅ Use stand-by button if not in use for long periods of time ✅ Ensure tank is set at lower temperature, step up to hose, step up to nozzle ✅ Review to see if a lower temperature glue would be better 🔎 Cobwebbing / stringing ✅ Check glue is not overspraying past box/carton ✅ Ensure nozzle is kept as close to substrate as possible ✅ If there is visible tailing from nozzle, try increasing nozzle temperature in 5ºC increments ✅ Check glue is not coming in contact with guide rail ✅ Check there is no glue build up on the magic eye creating false firing 🔎 Pop opens ✅ Change to a faster setting glue ✅ Turn the glue temperature down – especially at point of application ✅ Reduce the amount of glue applied (reduce air pressure to tank) ✅ Ensure sufficient time in compression to the carton/case To get a copy of the complete Hints and Tips Guide, call ☎️+44 (0) 845 5212057 or email ✉️marketing@alphabond.com #Alphabond #Adhesives # Hotmelt

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