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RPC Containers Corby has launched Uncan, a range of retortable barrier plastic jars that are food-safe, long-life and lightweight with significant large-format cost savings.

The creation of the Uncan builds upon several recent high-profile launches from the site into the retail market, including the Heinz Fridge Pack and plastic jars for Marks and Spencer’s British Groceries range.

RPC believes that the same qualities offered by these products are equally suited to the foodservice sector.

According to the company, barrier plastics are a cost-effective alternative to large metal cans and glass jars because they offer comparable standards of product protection, allied to enhanced convenience and safety.

These assets are important to foodservice establishments, where fast, effective and shatter-resistant packaging is required.

Based on the design of RPC’s Thermic Ultra jar, the range offers a combination of large volume capacity and wide mouth that is suitable for foodservice requirements.

Three key sizes spearhead the range – 3kg, 5kg and the Amgall (American gallon).

The container body relies upon a construction of thermic ribs, developed and patented by RPC Corby, which facilitate expansion and contraction during the heating and cooling stages.

This ensures that the Uncan can provide the same quality of processing as metal or glass containers during hot fill or pasteurisation.

With its wide-mouth neck and robust shape, the Uncan can easily be hot filled and processed using existing machinery.

In addition, the lightweight construction offers a significant packaging reduction and a lower-cost platform compared to the glass and can alternatives.

Typical shelf life is 18 months unopened and afterwards it is easily resealed, to be stored in the fridge without the need to decant contents into a separate container.

The Uncan is closed using a bespoke injection-moulded PP cap manufactured by RPC Halstead.

This requires a full turn to open, which is an advantage in busy catering establishments where there is a risk of accidental spillage.

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