The processing technology of plastic water cups is usually injection molding process and blow molding process. The blow molding process is also called blowing bottle technology. Since there are many plastic materials for producing water cups, including AS, PS, PP, PC, ABS, PPSU, TRITAN, etc. Many manufacturers and water cup buyers are all thinking about whether can be processed with the same mold so the plastic materials, can this be achieved? If can achieve the same effect as the finished product produced?
plastic water cup mold development
So let’s talk about it separately. In the injection molding process, the commonly used materials are AS, ABS, PP, and TRITAN. According to the characteristics of the material and changes during production, AS and ABS can be shared under the same mold, but molds that cannot be shared during injection molding of PP and TRITAN can also be shared with AS and ABS. The shrinkage rates of these materials are different, especially the high shrinkage rates of PP materials. In addition, the production method of the injection molding process results in few plastic materials that can share molds.
In the blowing process, the production of AS and PC can share the mold, and the product performance is also very similar. However, for PPSU and TRITAN, the mold cannot be shared, because the two materials are particularly different, and PPSU will be relatively soft for other materials, so once the same blowing mold is suitable for AS materials, it cannot be used for PPSU materials. TRITAN material is relatively hard for other materials, and the same is true. It is not suitable for molds that are suitable for other materials blowing bottles.
However, there are also water cup factories that use AS, PC, and TRITAN to share bottle blowing molds in order to save costs, but the products made are really unsatisfactory. I won't comment on this. # thermos cup# # life good products recommendation# # water cup# # life little wisdom# # sports#
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