During the last few decades, food packaging has made giant strides in terms of quality and production costs, courtesy of plastic injection molding. But one problem has nagged the manufacture of clear plastic food packaging: clouding. Cloudy, semi-opaque plastic food packaging has been proven to have a "clear" impact on sales in the consumer sector.
Dozens of solutions have been put forward to rectify this problem, with varying success. Recently, a large international plastics company has introduced an energy-saving and crystal-clear clarifying agent for use with their leading plastics. Many observers say the resulting clearer plastics will launch a new generation of super-transparent, high gloss, polypropylene random copolymers (PP) for low temperature processing of thin-wall rigid food packaging and storage. These next generation plastics will offer the food packaging and household storage solutions sector a new benchmark in pure, high clarity.
This clarifying agent was selected for its top industry performance in terms of translucence and stiffness.
This new clarifying technology offers the following advantages:
* Superior visual clarity, comparable to glass
* Excellent organoleptic properties. Using a new phthalate-free catalyst, the new plastics are made without peroxides, which results in the superior organoleptic properties required by the food industry. In addition, both plastics are low in odor and carbon emissions.
* High fluidity: Complex designs and thin walls can be achieved during injection molding thanks to the high fluidity of the grades. The grades are highly-suited for injection molding of different sized rigid containers for food packaging, and household articles where excellent clarity combined with good stiffness is required.
* Energy savings and cycle time reduction: the clarifying innovation allows the melt temperature of the new grades to be decreased during injection molding to temperatures as low as 170-180C, without any negative effects on the optical performance of the final product. This means injection molders can drop the standard melt temperature down from 220 / 230C, for significantly less energy consumption when heating the extruder. The lower temperature reduces cooling time by up to 10%, with the possibility to make more pieces per hour.
Dozens of solutions have been put forward to rectify this problem, with varying success. Recently, a large international plastics company has introduced an energy-saving and crystal-clear clarifying agent for use with their leading plastics. Many observers say the resulting clearer plastics will launch a new generation of super-transparent, high gloss, polypropylene random copolymers (PP) for low temperature processing of thin-wall rigid food packaging and storage. These next generation plastics will offer the food packaging and household storage solutions sector a new benchmark in pure, high clarity.
This clarifying agent was selected for its top industry performance in terms of translucence and stiffness.
This new clarifying technology offers the following advantages:
* Superior visual clarity, comparable to glass
* Excellent organoleptic properties. Using a new phthalate-free catalyst, the new plastics are made without peroxides, which results in the superior organoleptic properties required by the food industry. In addition, both plastics are low in odor and carbon emissions.
* High fluidity: Complex designs and thin walls can be achieved during injection molding thanks to the high fluidity of the grades. The grades are highly-suited for injection molding of different sized rigid containers for food packaging, and household articles where excellent clarity combined with good stiffness is required.
* Energy savings and cycle time reduction: the clarifying innovation allows the melt temperature of the new grades to be decreased during injection molding to temperatures as low as 170-180C, without any negative effects on the optical performance of the final product. This means injection molders can drop the standard melt temperature down from 220 / 230C, for significantly less energy consumption when heating the extruder. The lower temperature reduces cooling time by up to 10%, with the possibility to make more pieces per hour.
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