Setting up a single-use container production line with an injection molding machine also provides great versatility regarding the type of plastic chosen. This enables the production of food containers with custom finishes, shapes, fasteners, colors, printing and custom branding. Common plastics or polymers used in the production of food containers include polypropylene, styrene and polyethylene. These have flexible properties, resistance to heat, chemicals and wear and tear, plus excellent hygienic integrity.
It should be noted that conventional plastic injection machines are used to produce disposable forks & spoons & knives and thick disposable containers such as trays, dessert and ice cream containers and so forth. The only difference is the changeability of molds by which the containers can be produced in different models and cavities (number of products in each press) in accordance with customers’ order.
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In addition, the insertion of the PS symbol indicates that it is made of polystyrene and such a container is in contact with hot and greasy foods due to the release of styrene carcinogenic monomer; therefore, these containers should not be used for food and hot drinks And fatty acids, and are used only for soft drinks and cold-fat foods. These containers are available in three types of polystyrene foam (EPS), expanded polystyrene (HIPS) and ordinary polystyrene containers (GPPS).
This process is especially effective for producing food containers with wide mouths, such as tubs, vials, jars, pots and trays. The plastic used is thin and light to hold the overall product easily. Yet its also durable, flexible and resistant to tears, chemical spills and other damage that can spoil the food inside. The process is relatively easy and simple. This allows for faster processing times and larger scale production for larger packaging projects.