Q：When plastic parts are injected, why does the finished product sometimes stick to the mold?
Answer: There are several factors that can contribute to parts sticking in the mold. The first to consider is injection pressure. If the injection pressure is too high, the mold will be excessively sa...
Q: Why do plastic parts appear foggy?
Answer:  Injection molded parts can sometimes exhibit a surface finish with a foggy appearance. This could be due to a number of reasons, including material formula, plastic pellet drying time, low mo...
Q: Why do injection molded parts appear to not fill properly or lack resin?
Answer: An insufficiently filled mold cavity is sometimes called a “short shot.” It can be caused by poor injection molding processes, not using enough plastic resin, or a need to redesign the runner ...
Q: Why do the surfaces of injection molded parts appear to be flaking?
Answer: Flaking, or delamination, causes an unattractive surface appearance, but it can also indicate more serious mechanical issues with the part. Flaking can be caused by using the wrong additive, u...
Q: Why do injection molded part surfaces sometimes have scratch marks?
Answer: Scratch marks can be caused by excessive friction between the walls of the mold and the part itself during the demolding process. To avoid this issue, it’s important to ensure that the walls o...