Lean & management
Pack-to-melt ratio
Saleable packed ware divided by total glass melted — the headline efficiency KPI of a container glass plant. Captures losses across forming, ware handling, lehr and packaging.
How Lean Glass works with this
In an audit or engagement.
This term appears across our hot-end audits, forming audits and Job Change Tool work. If you would like to discuss how it shows up in your plant, book a call — every engagement begins with an operational diagnostic, not a sales pitch.
Related terms
Read next.
OEE
Overall Equipment Effectiveness = Availability × Performance × Quality. Plant-level rollup KPI used across container glass operations.
Pack rate
Output rate of saleable packed ware (units per hour or per day).
Percent-pack
Percentage of forming output accepted at cold-end / pack — closely related to pack-to-melt ratio but expressed at line level.
30-minute call with a senior practitioner.
Bring a problem — leave with a direction.