Gas marks are a common and troublesome issue in injection molding. They manifest as tree-like, wave-shaped scratches on the surface of plastic parts, centered around the gate, significantly affecting the product's aesthetics and quality.

Did you know that in the world of plastic mold processing, we sometimes encounter those annoying issues like sink marks? Don't worry, today we're going to dive into the reasons behind them and how to solve them!

This is a serious problem that urgently needs to be addressed. In recent years, although significant progress has been made in domestic plastic injection mold technology, there is still a certain gap compared to foreign manufacturing standards. Various factors can lead to mold cracking during operation.