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Cortec launches recyclable moisture barrier coating for food packaging
来源:Adsale Plastics Network    作者:JK    日期:2020.07.27

Cortec Corporation has pioneered EcoShield Barrier Coating, an environmentally friendly alternative to polyethylene and wax paper coatings for the manufacture of moisture resistant paper and corrugated boxes.

 

Retail and consumer food packaging often relies on polyethylene or “wax” coated paper and cardboard to resist moisture and seal out contaminants. These packaging materials are much more difficult to re-pulp than regular uncoated paper and corrugated board and typically cannot be recycled through normal channels.


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EcoShield Barrier Coating is a water-borne barrier coating that is recyclable and 100% repulpable.


EcoShield Barrier Coating is a water-borne barrier coating that is recyclable and 100% repulpable, effectively eliminating the need to use traditional wax and polyethylene coatings. The coating can be used on kraft and recycled paper, as well as on liners for corrugated boxes, providing a waterproof moisture barrier with good oil and grease resistance.

 

When tested according to ASTM E-96, paper coated with EcoShield Barrier Coating showed very good water vapor barrier properties compared to a polyethylene coated paper and better than commercial waxed paper.


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EcoShield Barrier Coating is an alternative to polyethylene and wax paper coatings for the manufacture of moisture resistant paper and corrugated boxes.


Papers coated with EcoShield Barrier Coating also have better physical properties such as burst, tear, and tensile strength; elongation, folding endurance, coefficient of friction, and smoothness.

 

It can be applied by most common paper roll coaters, including gravure, flex, air-knife, reverse-roll and more. Drying temperature is 180-200 °F (82-93 °C), and suggested paper weights are 8-11 lb/ream (3,000 ft²) (13-18 g/m²).

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