The back pressure is set to be about 2-10% weaker. Here is an introduction to the back pressure settings using cell purge.
As a method for purging using "cell purge," we recommend reducing the measurement values and repeatedly measuring and injecting. This is to change the direction of the resin flow as much as possible to ensure that no resin is left behind in the dead space. While increasing back pressure to flow the resin, known as "back pressure purge," is also effective, if "cell purge" leaks due to insufficient pressure, it will not be effective. Therefore, when purging during the measurement and injection operation, please apply back pressure at a level that is about 2-10% weaker to minimize leakage from the nozzle. *If you would like a sample, please contact us or download the sample request form and feel free to apply via fax.
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We are a development-oriented manufacturing and sales company that offers resin compound products. We have a wide range of plastic products, primarily focusing on engineering plastic alloys, various polymer alloys, PP compounds, and purge materials, and we also provide customization to meet the performance requirements of our customers' products. If you have any issues with plastic materials, please feel free to consult with Novacell.