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Does the influence of the hot runner system cause product yellowing?

Publisher: Administrator Date: 2023-11-02

Does the influence of the hot runner system cause product yellowing? Why is this? Many people may encounter such problems, and Haochen Hot Runner will answer them for everyone:

1. Hot nozzle: The design of the sealing position of the hot nozzle should be scientific, which will reduce the factors affecting defective products. Therefore, it is necessary to control the thermal balance of the hot nozzle. The contact between the sealing position of the hot nozzle and the mold causes the heat loss at the tip of the nozzle, coupled with the heat loss caused by water transportation. The temperature at the tip of the nozzle is the most unstable, and it is difficult to control the appropriate demand when supplementing the corresponding heat loss. The nozzle body has always been in a thermal insulation state, and the temperature is relatively stable. Therefore, when using temperature sensitive plastic, The large temperature difference between the molecules of plastic is prone to variation

2. The feeding point of PC material must be maximized as much as possible to avoid difficulties in machine adjustment

3. The steel material of the splitter plate should be good and have strong corrosion resistance. It should avoid corrosion after long-term beer consumption. After balanced design, the processing of the flow channel holes should be fine, and the intersection of the flow channels should be avoided at right angles, which can cause yellowing and blackening of the adhesive


Dongguan Haochen Hot Runner Technology Co., Ltd
Contact Us:
Mobile: 13712972461
Tel: 0769 85478528/400 0988 117
Fax: 0769-85478508
Email: sales@hostar888.com
Website: www.maldivescentral.com
Address: No. 11 Zhenlang Road, Wusha Caiwu Industrial Second Road, Chang'an Town, Dongguan City

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