| A blow mold may be formed from a hollow | | | | Hard-soft hard or soft-hard-soft technology. In |
| plastic. It goes into a series of processes including | | | | this new application, users are entitled to choose |
| that of the production of hollow materials from a | | | | different materials aside from depending on plastic. |
| material known as thermoplastic. It has three | | | | Other pertinent facts on a blow mold |
| main types namely the extrusion, injection and | | | | The best way to start a project involving the use |
| stretch blow moldings. The whole process starts | | | | of a blow mold is to consider the different |
| when a piece of plastic with a hole in either ends | | | | characteristics of the polymer material. For |
| are melted. The hole is where the air passes | | | | instance, if one is considering a high-density |
| through to form a blow mold. | | | | polyethylene, it means that there is low |
| Newest blow mold applications | | | | temperature strength, excellent chemical |
| While blow molds underwent a series of changes | | | | resistance and ideal insulating capacities in the |
| in history, certain technologies were instituted to | | | | material. For a choice of polycarbonate, one will be |
| improve the output. Now, new applications are | | | | able to acquire great resistance from heat, |
| being set in the blow molding industry. The most | | | | excellent transparency and a hard and tough |
| common examples include: | | | | material. |
| Coextrusion blow molding. This usually involves | | | | To complete a blow mold job, different types of |
| large parts and is commonly used in the | | | | equipment or machinery are also being used. This |
| production of containers and small bottles. This will | | | | may range from the single stage blow molding |
| soon be recognized in the market especially now | | | | machine to the modern automatic PET blow |
| that there is a need to recycle plastic. | | | | molding machines. The most common outputs |
| Three-dimensional blow molding. This type of blow | | | | from this process are milk bottles, one-piece chair, |
| mold started in Japan and is capable of producing | | | | garbage cans, drums and fuel tanks. |
| different shapes and sizes from a plastic material. | | | | |