Packaging paper that resists grease and oil penetration are frequently used for baked goods, fast foods, soaps, butter and pet foods. Commonly recognised by the name greaseproof paper, this versatile translucent nonporous paper is derived from refined Kraft pulp. Fibre deterioration creates a nearly pore-free sheet, able to eliminate fluid penetration. Since its discovery in the 1850s greaseproof paper has proven beneficial for many uses, but there are other papers that work as effective substitutes.
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Cellophane is a 100 per cent biodegradable, transparent film which is made when wood has gone through extensive chemical treatment. Introduced in the United States in 1924, it became the primary film utilised until the 1960s. Recognised as a popular, flexible, moisture resistant packaging material, cellophane is commonly utilised for wrapping products such as cosmetics, candles, food and tobacco.
According to "Cartons, Crates and Corrugated Board," waxed paper is the first water-barrier, flexible material. Waxed paper contains a paraffin wax which has been applied to both sides during the drying process. Once dry, waxed paper has the ability to "breathe" gases and moisture.
Glassine is a frequently used substitute for greaseproof paper, and resembles waxed paper. This paper is made after being exposed to high pressure and steam heat during a supercalendering operation, a process which increases density and gloss. The moisture and intense pressure causes the remaining fibres to collapse, hydrogen bonding is increased, and a grease resistant, transparent, glossy sheet is created. Wax is sometimes added to this paper to aid in the resistance of air and oil vapours commonly used in food flavouring, which helps foods maintain its crispness. Glassine paper is frequently used for bakery goods and fast food products including french fries and hamburgers.
Parchment paper is created from cellulose fibres from plants including flax, cotton and fir trees. This paper is exposed to acid during its production which creates powerful paper that is moisture and grease resistant. It is also able to withstand elevated heat temperatures. Parchment paper is coated with non-stick material, often silicone, which makes it a popular item used for baking goods.
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