Polypropylene, referred to as PP, is a colorless, odorless, non-toxic, translucent solid substance. Polypropylene (PP) is a thermoplastic synthetic resin with excellent performance, and it is a colorless and translucent thermoplastic lightweight general-purpose plastic.
PP plastic board is harmless to human body. The lunch box made of food-grade PP plastic sheet is non-toxic and harmless, and can be safely used for food. At the same time, the food-grade PP lunch box has good heat resistance, the melting point is between 164-170 degrees, and no toxic substances will be produced at high temperatures. Therefore, the food-grade PP lunch box can be boiled and sterilized, and it is not easy to deform after long-term use at a temperature of 100 degrees.
Food blister packaging boxes are basically made of PP plastic sheets. According to the customer's requirements for the product and the characteristics of the product itself, there are many choices of PP plastic sheet. These include PP natural color, PP natural color transparent, PP high transparent plastic sheet and PP sheet in other colors. Each PP material produces different product characteristics and uses.
PP Plastic Sheet for Trays PP Plastic Sheet Roll for Food Packaging PP Plastic Sheet for Packaging
Among the commonly used materials for the production of blister packaging boxes, PP plastic sheets play an important role. The PP sheet is thinner than other materials after molding, so it will be thicker when used, but this does not affect its transparency. So what are the uses of PP blister packaging boxes with different transparency?
Natural color PP rubber sheet
The general characteristics of natural PP materials can only withstand low temperature and can be used for cold storage. Generally, the packaging trays for fish and cooked food in supermarkets are made of PP. The color can be PP natural color or other PP colors.
Translucent PP plastic sheet
Products made of translucent PP are generally good in high temperature resistance and low temperature resistance, but the performance is not very good, so they can only be used in products that do not require high temperature resistance and high temperature resistance. Try to avoid direct high temperature heating. It is generally used for the packaging of dumplings, Xiaolongbao, boiled dumplings, quick-frozen pasta, etc.
PP High Transparency Film
Products made of highly transparent PP materials have better low temperature and high temperature resistance, and can also be sealed, but the price of this material is relatively high. It is suitable for products with high requirements for high temperature resistance, and it is no problem to directly use it in microwave ovens for high temperature heating.
The scope of application of packaging boxes produced by PP materials with different transparency will be very different. When purchasing products, you should choose the appropriate blister packaging box according to the needs of the packaged products. To produce different blister packaging, it is necessary to choose different PP sheet raw materials according to the needs of use.