5 STANDARDS OF MOLDS DEFINED BY SPI
The price of molds differs from their own standards. The society of plastic industry(SPI), a professional mold research association in America, divided molds into 5 standards, which have different manufacturing requirements. All of these molds are only suitable for the injection molding machine with 400 tons or less. In the following paper, we will introduce you these 5 kinds of molds:
Class 101 molds:
It rated for 1,000,000 times or more cycles, typically using in mass-up production, with the best raw material, so […]