Specs

Label Path specs

Setup notes and briefing numbers for Label Path.

Plate and web settings

This Label Path specs page lists the technical points relevant to flexo label production. It helps purchasing and production teams check whether the setup suits their label materials and existing press arrangement.

Label Path specs should be checked against the actual label stock, adhesive and liner before plates are ordered. PP, PE and paper labels each behave differently on unwind tension, chill rolls and die pressure, especially when the job moves between Gauteng and the coast. SA plants also need to note whether the run is UV flexo or water based flexo, because ink system and drying length affect the usable press path.

Start with the press layout as it stands on site, not the ideal layout from an old drawing. Record print width, repeat length, station order, anilox line count and any turnbar or lamination step that changes the web route. Keep the spec sheet beside the control panel so production can compare it with the machine before the first reel is mounted.

Checks before first reel

Label work depends on clear operating points at every stage. Identify material construction, plate thickness, mounting tape choice and the sequence for printing, varnish, cold foil or die-cutting where used. A clear label production spec removes guesswork when purchasing, prepress and press crews are working from different documents.

Use Label Path specs with the matching press route and ink record so the job ticket reflects the same web direction and curing method. Before dispatching plates, inks or samples, confirm the path name, repeat, substrate code and rewind direction on one sheet. Name your press and the job on it, and we will put together the consumables for the run.

Substrate, adhesive and liner listed
Repeat, width and rewind confirmed
Anilox and curing method noted

SA production conditions to note

In Johannesburg, dust control around webs and sensors can affect register stability on narrow label work. Durban and Cape Town sites often need closer attention to humidity, adhesive behaviour and solvent or UV curing consistency, especially on filmic labels. If jobs are routed through OR Tambo or regional depots, the spec should state exactly which plate set, cylinder repeat or ink batch belongs to the SKU.

Power interruptions change restart procedure, so first-off approval points should be written into the spec where possible. Coastal storage can soften some label materials, while inland heat can change reel handling and static on release liners. Cleaning intervals, corona treatment checks and die wear notes are more useful here than general comments about a standard setup.

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Information to send with specs

Provide the label dimensions, face stock, adhesive type, liner, number of colours and any varnish or lamination requirement. Add the press name, maximum web width, print repeat range and the fault that triggered the review, whether that was dot gain, tunnelling, poor release or weak adhesion.

A spec record is easier to follow when artwork reference, plate ID and purchase order all use the same job name. Pair the spec with a press note and approval sample record when buyers or production managers need traceable support for repeat label orders.

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