2. The base paper of paper cups is mainly composed of plant fibers, and its manufacturing process is generally made of plant fibers such as cork and hardwood, which are beaten, ground, added with chemical auxiliary materials, screened and then made by paper machine.
3. The general raw materials of paper cups are:
Food grade wood pulp paper+food grade PE film. The original pulp of food-grade wood pulp paper is wood.
4. food-grade PE film. PE itself has the advantages of non-toxic, odorless, tasteless, reliable hygienic performance, stable chemical performance, balanced physical and mechanical properties, good cold resistance, water resistance, moisture resistance, certain oxygen resistance, good oil resistance, excellent formability and good heat sealing performance.
5. When making paper cups, in order to avoid paper jam and wrinkling in the making process and prevent the molded paper cups from deforming, it is required that the base paper of paper cups should have high stiffness, good flatness, moderate density and thickness, and be easy to process and shape.
Extended data:
Selection of disposable paper cups;
Paper cup is a kind of paper container made of chemical wood pulp (white cardboard), which is processed and bonded, and its appearance is cup-shaped. ?
The paper cups of frozen food are waxed and can hold ice cream, jam and butter.
The surface of the paper cup used to heat drinks is coated with plastic, which can withstand the high temperature above 90℃ and even hold boiling water. ?
Paper cups are characterized by safety, hygiene, portability and convenience. Can be used in public places, restaurants and restaurants, and is a disposable product.
Paper cup paper selection:
According to market price, cost, scale and market positioning.
Quality of paper cups: regardless of machine factors, the better and heavier the paper, the better the quality.
Market paper cups: commonly used 135-2 10 GSM single PE paper;
Advertising paper cups: commonly used 190-280 GSM single PE paper;
Paper cups for export: commonly used 190-280 GSM double PE paper;
Reference source: Baidu Encyclopedia-Disposable Paper Cup