Tuesday, January 22, 2013

The identifying method of greaseproof paper bag


Greaseproof paper bag also known as coated paper bags, generally used to refer to the material for the paper, and the effect of the anti-oil prominent bags. Use of kraft paper material, also a white material. Mainly used to contain all kinds of fried snacks, such as chicken, pancakes, Dorayaki other oily snacks.
The waterproof of greaseproof paper bag often has a direct relationship with the paper good or bad, the paper identified three methods.
1. Tearing method. Horizontal tear paper bags, hair stubble for wood pulp paper, the intensity is high; tear mouth neatly no hair stubble, compared with less grass pulp and paper or wood pulp composition, low intensity.
2. Hand rub method. Paper bag soaked in water for some time, with both hands after removing the rub, lint or resistance to rubbing of the paper is good.
3. Fire method. After fire, burning parchment molding catechesis and the paper; ashes broken without forming the paper.

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