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The difference between coated paper and grease-proof paper

Deruna 719mvZ4cKWL. AC SL1500

The difference between coated paper and grease-proof paper

What is the difference between coated paper and grease-proof paper? Let’s analyze it: What is the difference between coated paper and grease-proof paper? What are the differences in the process of use? To clarify these problems, you need to separately understand the composition and characteristics of coated paper and grease-proof paper. This problem can be solved, let’s take a look together.

Coated paper understanding, Coated paper is a composite material that coats pe plastic particles on the surface of the paper through a coating and casting machine. The main feature is that the composite material can be oil-proof, waterproof (relatively), and can be heat-sealed at high temperatures. Different uses have different characteristics: When used for packaging hamburgers, take their oil-repellent properties. McDonald’s edible vegetable oil at 80 degrees does not leak oil for 10 minutes. If it is used for copperplate paper packaging, it is necessary to take its waterproof characteristics.

Coated paper is divided into single shower and double shower. The weight of the paper with thicker paper coating is generally 20 grams, and the non-release surface is relatively thin, about 15 grams. Such coated paper is relatively flat. If it is double-sided, the amount of coating is 22 grams Film paper is more suitable for double-sided coated paper. For food-grade coated paper, the raw materials are generally made of wood-based paper, especially in the food packaging industry. If straw paper is used, it is easy to produce paper scraps or edge breaks during the die-cutting process. 

Understanding of greaseproof paper

  Grease-proof paper refers to a kind of paper that can prevent grease absorption and permeation in a broad sense. In a narrow sense, it refers to a type of paper made from bleached, semi-bleached or unbleached chemical wood pulp through high beating degree treatment. It also includes paper grades that can resist the penetration and absorption of grease produced by adding an oil repellent to the pulp or coating the surface. The quantitative of the product can be as low as 20g/m2, depending on user requirements. It has certain strength and high smoothness, but low air permeability. 

 

Literally speaking, both coated paper and grease-proof paper are a kind of paper. From professional knowledge, the above also mentioned their respective characteristics. Coated paper: has the characteristics of waterproof, moisture-proof, oil-proof, anti-permeation and high-temperature resistance. Grease-proof paper refers to a kind of paper that can prevent oil absorption and permeation. Combining the characteristics of the two, we can see that both types of paper can be used in food packaging to take their oil-proof characteristics. It has the characteristics of waterproof, moisture-proof and high-temperature resistance. To a certain extent, it has a wider range of use than grease-proof paper. 

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