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The growth of food packaging applications in Europe and Asia, as well as the transition of materials from PS to PP and new multilayer films, has increased the demand for copolymers and thermoplastic stopper materials for thermoforming. CMT Materials (Attleboro, Massachusetts) is a global supplier of plug auxiliary materials for the thermoforming industry. It will be exhibited at K 2019 in Dusseldorf, Germany from October 16 to 23, 2019. Hytac composite foam series. The company is exhibiting at Booth G 83 in Hall 3.

The company said that CMT Materials will focus on introducing the latest innovative plug-in auxiliary materials-Hytac C1R and Hytac XTL, which have been widely recognized by the market. Terry Woldorf, Managing Director of CMT Materials, said: "As the global plastics market continues to develop and grow on a global scale, we continue to see strong growth in copolymers and thermoplastic plug materials."

According to CMT, data-driven research on the economic impact of stopper material selection shows that thermoforming can achieve consistency and repeatability. In particular, the Hytac plug assist device plays a key role in helping fabricators manage wall thickness changes, reduce starting specifications, and shorten cycle times.

"More complex polymers, such as multilayer films, require more complex plug assistance, which is beyond our traditional customers' favorites," said Waldorf. "In some cases, higher friction is required; in other cases, it is easier to release; and some are for toughness." In the latter category, the company's new composite foam has two toughnesses that are equal to those of B1X. Double, and has a new honeycomb structure, can produce a smoother surface. "This is an unbreakable plug that will not scratch the soft plastic," Waldorf said.

The main trends driving the demand for these technologies are the increasing popularity of ready-to-eat foods, changes in consumer habits, and an increase in disposable income in emerging Asian economies. North American processors have also shown continued growth in areas such as large-scale baked goods, tamper-resistant flips, and medical device packaging. “The pace of product and packaging design is accelerating, and custom molding machines sometimes move from prototype to production in less than four weeks,” explains Walldorf.

Hytac XTL plug accessory is the industry's first and only material that combines the processing surface quality of epoxy resin composite material with the durability and dust-free processing of thermoplastic composite foam material. Due to the challenges of polishing thermoplastic composites, this is especially important when dealing with viscous or transparent plastics. CMT points out that a significant side benefit of the formula is increased toughness, allowing very fine plug details. It is suitable for PP, PET, PE, APET, CPET, HIPS, OPS, PETG, PLA, PS, PVC and RPET.

There is also Hytac CR from CMT Materials at the 2019 K show. This is a copolymer plug assisted by a friction enhancer that can penetrate the plastic into the cavity or special details. The toughness of Hytac C1R is three to four times that of epoxy-based composite foam.

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