What Low Migration Clear does on packaging
Low Migration Clear is designed for packaging jobs where printed matter, barrier layers and finished packs need a clear top coating with controlled transfer risk. It is used where the pack may sit close to food contact layers, sachets, cartons or shrink structures, and where the converter needs a cleaner path for compliance testing and production control. The finish stays clear, so your graphics still show through without a heavy milky look.
In practical terms, it helps reduce the chance of unwanted components moving from the coating into the pack structure. That matters on dry goods, confectionery, tea, instant foods, household and hygiene packs, especially where print sits on the outside of film or board and the finished pack is held in stores for long periods. In Durban humidity or inland dry conditions, the coating needs consistent handling and the right drying window, otherwise you can get set-off or poor cure. We guide customers on the full make-up of the job so the coating matches the substrate and print method.
Where converters use it most often
This coating suits converters working on film, laminated board and selected coated substrates where a clear protective layer is needed without changing the pack look too much. It is often requested for packaging that goes through flexo, gravure or screen applied decoration, then needs extra protection before slitting, converting or filling. For some jobs it is used as part of a full pack specification, for others it is applied only on selected panels or high-contact areas.
- Food cartons and sleeves where migration control is important
- Secondary packaging for dry foods, teas and confectionery
- Hygiene and household packs with printed handling panels
- Samples, trial runs and short production batches for brand approvals
- Coated structures that need print protection during transport and stacking
We also see it used on export-bound packs where the buyer asks for clearer control on ink transfer and finish consistency. If your pack needs a clean, low odour coating path, we can check the substrate, print sequence and curing method before the order is released.
Sizes, batch options and supply format
Low Migration Clear is supplied in practical production sizes for packaging converters. Typical orders are prepared as trial quantities for test runs, then scaled to production batches once the application is approved. We can support drawdowns, trial batch making and press startup checks before full release, which helps reduce waste on expensive print stock.
- Trial packs for lab work and drawdown panels
- Small production pails for development runs
- Drums for steady line supply
- Batch retain samples for repeat work and traceability
For buyers, the main point is to match the quantity to the line speed and storage space. On busy sites in Jacobs, Pinetown and Prospecton, we often plan supply around weekly usage and warehouse handling so the coating does not sit open too long. If your operation is near the coast, sealed storage becomes more important because moisture can affect surface behaviour and packing discipline. Ask for the size that fits your make-ready and wash-up routine, not just the cheapest unit cost.
Installation, drying and line requirements
This is a production coating, so the installation side is about correct application and process control rather than a fixed machine fitment. It can be applied through standard coating equipment suited to the substrate and line setup. The right dry time depends on film weight, substrate absorbency, web speed and oven performance. If cure is rushed, you may see blocking, lower rub resistance or a change in gloss.
Power needs depend on your existing line, but many customers use the coating on equipment already running with heated air or UV support. For hot-air systems, make sure the oven or dryer can hold even temperature across the web, especially during load-shedding recovery when plant restarts are uneven. For UV backed systems, lamp condition and reflector cleaning are worth checking before you start. Gas is only relevant if your line uses gas-fired drying. In that case the burner setup must be stable, with safe exhaust and ventilation in place. We can support press startup and troubleshooting so the first production run does not turn into a costly stoppage.
Care, storage and ongoing servicing
Keep the product in a closed container, away from direct sun and heat build-up. Store it on a clean pallet in a dry area, and avoid leaving open containers near dock doors where warm coastal air can pull in moisture. Before use, stir or condition as instructed so the coating stays even from the first litre to the last. On site, keep lids clean and prevent contamination from other inks, solvents or wash-up residues.
For servicing and repeat supply, we recommend keeping a batch retain library so future runs can be checked against the approved sample. Our team can assist with rub resistance checks, adhesion tests and coating compatibility reviews if a customer changes board grade, film supplier or print sequence. If you are seeing pinholing, poor lay, or inconsistent sheen, it is usually better to investigate the substrate and line settings before changing the whole formula.
- Keep containers sealed when not in use
- Do not top up old stock without checking condition
- Log batch number, date opened and line used
- Recheck performance after any substrate or oven change
What to check before placing an order
Before ordering Low Migration Clear, it helps to have the full pack spec in hand. We work best when the customer gives us the substrate type, print method, target line speed and the end-use of the pack. If the pack goes into chilled storage, high humidity areas or export channels, say so upfront because that changes the testing path. The more accurate the order detail, the less time you lose on trial runs.
- Substrate type and thickness, including any barrier or lamination layers
- Food contact or near-food use, plus the intended pack contents
- Application method, drying system and line speed
- Required finish, such as gloss, clear and low odour behaviour
- Order size, repeat frequency and whether you need retain samples
- Any customer test standards, migration limits or approval steps
If you need help confirming the right setup, our Durban team can support colour matching, drawdown panels and production troubleshooting before the order moves to full supply. That way the first run is based on facts, not guesswork.
Key facts
| Product type | Clear low migration coating for packaging |
|---|---|
| Primary use | Packaging structures where migration control is important |
| Typical supply | Trial quantities, small production batches, drums |
| Application | Standard coating equipment suited to the substrate and line |
| Finish | Clear appearance with controlled film build |
| Support | Adhesion tests, rub checks, compatibility and press startup support |
