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Tech Docs

Technical Documentation regarding our products and facilities available for your convenience.

Technical Documents


Information regarding our proprietary Rite-Gauging process.

Rite-Gauging Info

At Sigma we're different and proud of it!

"Excellence through innovation, education, and creative stretch packaging solutions."

We see the world of stretch packaging in a unique way that is focused on the value we bring to our customers through our differentiated products, professional customer service representatives, and the most experienced sales pros in the industry.  Add 5 state-of-the-art manufacturing facilities across North America with some of the most advanced manufacturing and quality control processes and you have identified The Industry Leader.

In the world of flexible packaging commoditization, Sigma stands above the rest with our proprietary Rite-Gauging process that takes a holistic view of our clients’ total packaging operation.  First and foremost we create the best packaging for the specific application and use our creative solution to improve efficiencies in their packaging process and improve our clients’ profitability.

Our unique, value-added, go-to-market strategy is our key point of differentiation and so important to our beliefs, that we built a 12,000 square foot Training Center and Packaging Assessment Lab in Shelbyville, Kentucky called Packworx.  The research, sales training, and client support done at Packworx is unrivaled in the industry…that’s what makes us different and we are proud of it!,, and are all proprietary internet domains owned and managed by Sigma Stretch Film.