Wide Mouth Jar Preform Mould
Wide mouth Jar Preform neck size could be 53mm to 120mm, according to SPI standard or customized neck size, preform neck can be thread or EOE neck. Continuous thread or single thread. And in order to save the mould cost, we can make the exchangeable design for exchanging the core plate to make different weight of preform. All stack components hardened to over 50HRC and nitrogen treatment. Nitriding is a cryogenic treatment, increases wear resistance and toughness beyond what is possible with a conventional hardening process. Jar preform mould will have a very high injection pressure, it requires good steel with best hardness treatment.
Wide mouth jar preform moulds are used to make various types of candy and nut packaging. This type of mould is designed with a valve gate system and small runner nubs. The mould can be made of various materials, including PP, PS, SAN, and HDPE. In general, a 28mm neck will work perfectly for a 1 liter Mineral water bottle, while a 120mm neck with 100 grams of weight will work for a 4Kg jar,