Plastic Bottle Caps; Production, Benefits & Applications

The bottle caps and the bottles have been around for a while; they were invented in the 18^th century. However, the first patent was established by William Painter in the year 1892. Bottle caps are accustomed to keep the beverages from spoiling. There are numerous variations in the type of bottle caps and the material that is used to make them.

Plastic bottle caps are fabricated from polythene terephthalate. It is thermo plastic chemical compound rosin that's a section of the polyester family. This type of plastic is wide utilized in potable and food containers. Counting on the process methodology, this material will seem clear, opaque or white. This sort of plastic is sometimes has the PET abbreviation. It's a distinct plastic than what the bottle itself is created of. Metal bottle caps are fabricated from steel.

The plastic caps are manufactured by the process of plastic injection molding. The plastic components are placed in a machine that melts and mixes them, then pushed into the plastic bottle cap mould. Within the plastic mould, the mixture cools off and hardens to fit the shape and size of the mould. Metal bottle caps ar formed with a machine that makes the dips on the perimeters. Some metal caps have a further plastic coating place over them.

Most bottle caps have company logos written on them. So besides providing protection they are also used as a source of branding and creating brand awareness among the customers. Plastic bottle caps are used on plastic-type bottles and metal caps on glass bottles. In order to tightly lock the bottle, there are threads that are grooved within the cap to make it a perfect fit. Plastic Bottle caps also confine the freshness of different beverages and juices.