Carton Sealing

Deep Freeze Carton Sealing

Technomelt Supra 100 Cool

Initial Situation

Application: Deep freeze pizza in a printed carton
Adhesives: Old technology EVA based hot melt
Adhesive Application Equipment: Tank-based systems with and without automatic feeding

Goals Defined:

• Optimal processing properties showing clean and precise application without stringing
• Lower adhesive consumption
• High adhesion properties and suitable for deep freeze
• Energy savings for application equipment and also the air conditioning in production area
• Increase operator safety by reducing risk of severe burns (application temperature from 180°C to 100°C)

Application Details:

• Deep freeze pizza in printed carton
• Application – Carton sealing
• Volume – 50 tons of adhesive per year
• Equipment – Nordson ProBlue
• Production – 100,000 boxes per week
• EVA based hot melt
• High adhesion profile
• Application temperature 180°C

New Solution:

• Technomelt Supra 100 Cool
• High adhesion profile
• Application temperature 100°C

Results:

• Energy consumption (including air conditioning) was 1.2 kW/h when running at 180°C, now 0.7 kW/h achieving 42% energy reduction.
• A glue volume reduction of 21% from 50 tonnes per year to 39.5 tonnes
• Spare parts, the life expectancy for machine parts was doubled meaning a 50% reduction on spares purchased
• Processing properties, no stringing at all and zero adhesive related line stoppages since introduction
• No adhesive related health and safety incidences since introduction
• Machine start up time reduced from 50 minutes down to 20 minutes

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