Presses
Flexible Pack
Flexible packaging work needs steady web handling on film and laminate, where stretch, slip, and gauge variation show up quickly on press. Pouches, sachets, wraps, and similar jobs common across South African converting plants usually call for press routes that hold tension, register, and ink laydown on flexible webs.
Film and laminate press demands
Flexible Pack is for converters running film, laminates, and other flexible packaging substrates. Press options for these materials need finer register control, stable tension, and consistent ink laydown on lighter webs.
Material choice comes first on flexible pack jobs. PE, BOPP, PET, laminate structures, web width, repeat length, and ink system all influence whether a CI, narrow-web, or stack configuration makes sense. In Johannesburg, Durban, and Cape Town, site conditions such as power quality, humidity, and available unwind space often shape the final press setup as much as the print spec does.
Before production starts, check the unwind, nip settings, web guide response, and tension zones against the actual substrate to be run. A short machine-side reference note helps operators confirm register marks, drying settings, and anilox selection before the first impression rolls out. That early check is especially useful on light films where waste builds fast after a poor restart.
Output for pouch and wrap work
The result should be a clear press direction linked to the packaging format, substrate family, and print requirements. Typical points include tension stability for thin film, drying capacity for solvent or water-based systems, and repeatable register on longer runs. For flexible pack, a workable setup on shift matters more than extra options that do not suit the job mix.
Map Flexible Pack against the related converting line before adding more colours, laminating steps, or downstream equipment. If a machine is moving through Durban Port, compare the shipment details with the press specification and the receiving plant record before offloading.
- Press route suited to film structures
- Start-up checks logged at first print
- Plant details captured for follow-up
Conditions affecting flexible packaging runs
Flexible pack sites are shaped by dispatch schedules, storage limits, and the space available around existing slitters, laminators, and bag-making equipment. Export work moving through OR Tambo or coastal freight routes may also affect how reels, sleeves, inks, and spares are planned. Older layouts in regional plants can limit roll handling and access, so machine footprint and operator reach should be checked early.
Coastal humidity can change drying behaviour and cleaning frequency, especially on films that mark easily. Inland dust tends to show up on sensors, corona treatment areas, and web paths if routine wiping is missed. Where load-shedding or unstable supply is part of the operating environment, set-up timing and first-pass approval need to be planned around available power windows.
Operated by Astros Marketing (Pty) Ltd from 2 Makro Place, Sunnyrock 1401.
Information needed for flexible pack
Send the substrate type, thickness, pack format, and any print faults that keep recurring on current work. Photos of the unwind, print units, and finished pack help identify whether the issue sits with tension, drying, register, or ink transfer.
Record any site changes while reel flow, electrical points, and operator access are still fresh. Keep that note with the project file and technical documents so procurement and production are working from the same press information.
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