مدونة مجموعة جينغبو | أدلة الزجاجات والتعبئة والتغليف

Why Do Glass Bottles Have Ridges on the Bottom?

أكتوبر 23, 2026

Ridges on the bottom of glass bottles are usually molded features called base knurling. They change how the bottle contacts

أكتوبر 22, 2026

Uneven wall thickness in glass bottles reflects both design choices and forming conditions. Temperature, gob loading, mold cooling and parison

أكتوبر 21, 2026

White haze on stored glass bottles has several possible causes, including moisture-related weathering, mineral deposits and fine scratches. Learn how

أكتوبر 20, 2026

Settle wave is a common forming feature in blow-and-blow glass bottles. Learn why it appears in the lower sidewall, why