瓶口螺纹标准

瓶口螺纹标准CapandNeckFinishesScrewthreadcapsizesaregenerallyexpressedastwonumbers.Thefirstnumberreferstot

瓶口螺纹标准 CapandNeckFinishes ● Screwthreadcap sizesaregenerallye xpressedastwonu mbers.Thefirstnum berreferstothecapd iameter(inmillimete rs)andthecorrespo ndingGlassPackag ingInstitute(GPI)/S ocietyofthePlastics Industry(SPI)finish diameter. ● Thesecondnu mberreferstothe heightandthread