Plate Quality Control
Last updated: October 2026
Quick answer: Every plate batch is imaged and processed in our own factory before it ships. We check coating uniformity, dot reproduction and clean-out behaviour against the grade specification, and keep batch records so repeat orders match the batch you approved.
Key takeaways
- Plate testing happens on every batch: sample plates are imaged, processed and inspected before packing.
- Four checks: coating uniformity, image reproduction, clean-out behaviour and physical condition.
- Test conditions follow each grade’s TDS, so results are tied to a method, not a slogan.
- Batch records link your repeat order to the batch you approved.
- The fastest independent proof is a trial plate on your own press.
Quality control is more than a promise on a website — here is what is actually checked, and how the records follow your order. If quality changed after the first order with a previous supplier, that is the failure mode this page exists to prevent: per-batch imaging tests keep repeat orders consistent.
What we check on every batch
- Coating uniformity — visual and measured checks for even coating across the sheet.
- Image reproduction — the batch is imaged on an in-house platesetter and processed: highlight and shadow dots, fine lines and solid density are compared against the grade target.
- Clean-out behaviour — the non-image areas must clear cleanly at the specified developer temperature and time.
- Physical condition — surface, edges and flatness before interleaving and packing.
| Check | What it catches | Reference |
|---|---|---|
| Coating uniformity | Uneven sensitivity across the plate | Grade specification |
| Image reproduction | Lost highlights, filled shadows, broken fine lines | Grade target and test file |
| Clean-out | Residual coating that causes scumming or toning | Developer conditions in the TDS |
| Physical condition | Scratches, dents, edge burrs, poor flatness | Packing inspection |
Test methods and records
Claims without test data are just words — so every figure we publish is tied to a method and a condition.
Test conditions follow each grade’s TDS: developer temperature and time, exposure energy and safelight limits. Run-length figures are stated with their test conditions — ink, paper and press type — rather than as bare numbers, and customers receive the relevant TDS with every order. Batch records tie your repeat order to the specification of the batch you approved, so month twelve performs like month one — you always have batch records you can refer to. For flexo grades, the same discipline applies to relief depth, durometer and washout conditions.
Want to verify quality yourself? The fastest evidence is a trial plate on your own press, judged with our plate test protocol. See also our factory and the plate ranges. For questions about a specific batch or grade, contact us; for pricing, request a quote.
Frequently asked questions
How are printing plates tested before shipping?
Sample plates from each batch are imaged on an in-house platesetter and processed under the developer conditions in the grade TDS. We then inspect coating uniformity, highlight and shadow dot reproduction, fine lines, solid density, clean-out of non-image areas and physical condition before the batch is interleaved and packed.
What does plate testing cover for flexo plates?
For flexo grades, plate testing applies the same discipline to relief depth, durometer and washout conditions, using the test conditions stated in the grade TDS.
How do I make sure a repeat order matches the plates I approved?
Each batch has a record tied to its grade specification. Quote the batch you approved when you reorder, and we match the repeat order to that specification.
Disclaimer: test parameters are grade-specific and typical; final specifications are subject to the grade TDS and order confirmation.
