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Paper and Glass Packaging

A. Paper Packaging
Paper packaging is the first flexible packaging before the invention of plastic and aluminum foil. Currently paper packaging is still widely used and able to compete with other packaging such as plastic and metal because the price is cheap, easy to obtain and extensive use. In addition to packaging, the paper also serves as a media communicator and print media.

The weakness of paper packaging for packing food is water-sensitive sifanya and easily influenced by environmental air humidity. The properties of paper packaging are highly dependent on the manufacturing process and the additional treatment of the manufacturing process. Paper packaging can be either flexible or rigid packaging. Some types of paper that can be used as flexible packaging are kraft paper, grease proof paper. Glassin and waxed paper or paper made from the modification of these papers.

Rigid paper containers are in cartons, boxes, fiber tins, drums, waterproof bowls, tetrahedral packs etc., which can be made from paper board , laminated paper, corrugated board and various board types from paper special. Paper containers are usually wrapped again with other packaging materials such as plastic and metal foils that are more protective. The characteristics of paper are based on their weight or thickness. Based on the weight of the paper can be expressed in weight (lb) / 3000 ft2 or so-called ream.

In USA the number of standard reams for packaging paper is 500 sheets with size 24 x 36 inches (61 x 91.5 cm). In Europe, Japan and other countries the more common measure is grammage (g / m2). Grammage for primary packaging paper Ranging from 18 lb / rim – 90 lb / rim (30 g / m2 – 150 g / m2), whereas for corrugated board is between 72-85 lb / rim (117-300 g / m2).

B. Glass Packing
The heat-reinforced glass is a flat / curved, colorless, colorless patterned / non-patterned glass that has undergone special heat treatment, so that the remaining compression pressure between 28 MPa and 45 MPa “resilience increases with the influence of forces from the outside and is resistant to Temperature changes that can be used as furniture or building product fittings (not applicable to Frameless door frames).