What are the characteristics of PET preform materials? What should I pay attention to when blowing a bottle?
Everyone has seen plastic bottle caps. Every time we unscrewed a sealed bottle cap, did you find that there is a ring between the bottle cap and the plastic bottle that connects the two parts. In fact, this small circle is called PET preform, it is a typical injection molding product, easy to transport, mostly plastic material, uniform texture, and good insulation.Read More