World-Class Technical Support

Convex Plastics Ltd, Hamilton, Wednesday 23 March 2016. Photo: Stephen Barker/Barker Photography. ©Convex Plastics Ltd

Our onsite research and development laboratory and experienced team of packaging technicians enables us to provide world-class technical support for the whole packaging selection and adoption process – from product development, processing and sealing through to supply chain trials and post-launch evaluation and troubleshooting. Our technical staff will even visit your plant if needed to ensure the packaging we provide runs through your machines correctly and performs at optimum levels. Our technical services include:

  • Film Evaluations including layer configurations, OTR barrier, COF, lamination bond strength, material analysis, physical properties, tear strength, tensile strength, puncture, slip, blocking, scuffing, film thickness variation, W.V.TR and F.T.I.R for polymer identification.
  • Sophisticated computer modelling to develop customised breathable films.
  • New product development and trials.
  • Sealing curve evaluations for optimal sealing settings.
  • Testing of Volatile Organic Compounds (VOCs) to ensure the safety compliance of imported film.

Multiple-Award Winning Printing

Convex Multiple Award Winning Printing

Convex is a recognised leader in flexographic printing and training. We have two eight-colour printing presses that can print your graphics with guaranteed good results.

Our high quality printing has won us 17 gold medals in the prestigious New Zealand printing industry Pride in Print Awards and numerous silver in New Zealand and Australia.

Our printing and assistant printing managers have also both been inducted into the Australia New Zealand Flexographic Technical Association (ANZFTA) Hall of Fame in recognition of their outstanding printing commitment and skill.


Convex Professional Pre Press Gary Roberts
We have made sure your printing will be as efficient, accurate and cost effective as possible by providing the full spectrum of professional prepress services in-house.

All you need to do is supply your art files directly to us and we will do all the prepress work for you, right through to the finished plates.

If you would like to find out how we can partner with you to meet your packaging needs, please contact us now.

Flexible Inventory Management

Convex Flexible Inventory Management

At Convex you can benefit from the cost efficiencies of longer production runs without having to pay for and store a large inventory.

Our flexible inventory management will help ensure you never run out of packaging or get held up by long lead times.

We can warehouse your surplus stock, help you forecast your packaging needs, and deliver what you need when you need it.

Convex are able to bring a lot of options to the table when it comes to developing new packaging. They are definitely leaders in fresh cut packaging and working with them is helping us bring new innovations to our industry.

Fresh Connection, Auckland, New Zealand, CEO Stephen Dench -

Convex created a professional and polished pack for our Formthotics orthotics by understanding our needs and delivering upon those requirements. We have received extremely good feedback from medical practitioners around the world and we are very happy with their product.

Foot Science International, Christchurch, New Zealand, Marketing Manager Nicolette Le Cren -

The packaging film was the most technical thing to get right and Convex did a sensational job in turning that around…The entire service we got from Convex was above and beyond… Their service has been exceptional.

Cookie Time Ltd, Christchurch, New Zealand, General Manager Lincoln Booth -