What is the difference between a double-layer blow molding machine and a three-layer blow molding machine? From the name point of view, it is the difference between double and triple. What is the difference between double and triple layers? Please accept this practical science! On the one hand, this

Injection molding and blow molding are two processing technologies for mold products, but their processing technologies are different and have their own characteristics. In short, the injection mold uses the "injection + pressure" mode, and the blow mold uses the "injection + blow" mode. Injection m