How to Judge the Quality of Extrusion Plastic Molds

2025,12,29

The use of extrusion plastic molds is very common nowadays. If you don't pay attention to quality when choosing a mold, it will seriously affect its normal use later on. Today, the Suzhou plastic mold editor will tell you how to judge the quality of plastic molds.

First, when choosing a mold, you must look at its thickness. Although the mold doesn't need to withstand excessive force or harsh environments during use, due to frequent molding and demolding, plastic molds are prone to wear, deformation, and other problems. The solution to these problems is to increase the thickness of the mold. Therefore, when choosing a mold, you can analyze its quality from its thickness.

Second, check whether the specifications of the extrusion mold are standard. A good mold can control the size of the extruded plastic products to within a few tenths of a millimeter of error, while inferior molds often produce products with errors of several millimeters or even centimeters.

Third, check the material and workmanship of the entire mold. A good mold should be very smooth on both the inside and outside, look glossy, and feel slightly moist and substantial to the touch. Inferior molds may have burrs or uneven surfaces. The difference between the two is immediately apparent.

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2. Fillers, also called fillers, can improve the strength and heat resistance of plastics and reduce costs. For example, adding wood flour to phenolic resin can greatly reduce costs, making phenolic plastic one of the inexpensive plastics, while also significantly improving mechanical strength. Fillers can be divided into two categories: organic fillers and inorganic fillers. The former includes wood flour, shredded cloth, paper, and various textile fibers, while

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Author:

Mr. Kama Liu

E-mail:

sale@hwplasticparts.com

Phone/WhatsApp:

+86 15069372818