KPIs & Targets

Coatings and Ink Production KPIs: Benchmark Ranges for Yield, First-Pass, and OEE

The KPIs that matter in coatings and ink manufacturing, with realistic world-class versus typical ranges and the specific levers that move each one.

Batch yield is the anchor KPI. Typical wet-product plants run 93% to 96% net saleable against theoretical weight-up, while world-class operations hold 97% to 98.5%. The gap between 94% and 98% on a 3.00 dollar per kg product is 0.12 dollars per kg of pure material loss, which on 5,000 tons a year is 600,000 dollars. Levers are tank-heel recovery, filter and hose holdup reduction, and disciplined fill-line purge. Track the loss by source, not blended, and hold each source to a target; heel alone should sit under 1.2% of batch weight.

First-pass batch acceptance measures how many batches meet spec on color, viscosity, and density without correction. Typical plants land at 78% to 88% first-pass; strong color houses hit 92% to 96%. Every corrected batch adds 30 to 90 minutes of lab and tank time and burns tint or solvent. The levers are tighter raw-material incoming control, calibrated color instruments with a delta-E target under 1.0, and locked dispersion procedures. A 10-point first-pass gain on 40 batches a week is roughly 4 recovered batches, freeing 3 to 6 tank-hours weekly.

Dispersion energy consistency, in kilowatt-hours per ton, tells you whether grind is under control. A given millbase might target 8.0 kWh per ton; batches drifting to 10 or 11 signal worn media, wrong tip speed, or overcharged solids. World-class plants hold energy within plus or minus 5% batch to batch, typical plants plus or minus 15%. Tight energy control correlates directly with first-pass color, because under-dispersed pigment reads weak and forces tint additions. Monitor draw and time on every batch and flag any run more than 8% off the standard energy.

Fill-line OEE separates plants that schedule realistically from those that guess. Availability times performance times quality, measured against nameplate, typically lands at 55% to 68% on pail and drum lines, while well-run lines reach 75% to 82%. The biggest loss is availability, dragged down by changeovers and jams; performance loss comes from head misfires and viscosity-driven slow fills. Target changeover under 20 minutes and minor-stop rate under 3% of run time. Filling Line Throughput exposes the gap between nameplate and effective rate so you know which of the three OEE factors to attack first.

Changeover and cleanout time is both a cost and a capacity KPI. Typical color or chemistry changes take 45 to 90 minutes of combined wash, rinse, and verification; disciplined plants using sequenced color scheduling and dedicated lines cut this to 20 to 40 minutes. Since a plant might run 6 to 12 changeovers a day per line, shaving 25 minutes each recovers 2.5 to 5 hours of daily capacity. Sequence light to dark, batch same-chemistry runs together, and set a solvent-per-changeover standard so operators know when a wash is complete rather than washing to comfort.

Schedule adherence and cycle time round out the operational set. World-class batch plants hit 95% or better on-time to schedule with batch cycle variance under 10%; typical plants sit at 82% to 90% with 20% to 30% cycle swing driven by QC holds and rework. The lever is decoupling the lab from the tank: pull in-process samples earlier, run color and viscosity in parallel, and pre-stage raws so weigh-up does not wait. Cutting average QC hold from 60 to 30 minutes on 40 batches a week returns roughly 20 tank-hours, which is often a full extra shift of output.

Roll the KPIs into one scorecard so improvements do not cancel out. Chasing fill-line speed while first-pass drops just packs off-spec faster; pushing yield by shrinking purge can leave contaminant in the line and hurt quality. Weight the scorecard toward the constraint: if tanks limit you, prioritize cycle time and changeover; if the fill line limits you, prioritize OEE. Review batch yield, first-pass acceptance, dispersion energy, OEE, and changeover weekly against the ranges here, and set each plant a stretch target that closes half the gap to world-class within two quarters.

Published 2026-07-01.