DURAN® double cores, ground, NS 19/26

DURAN® double core, ground, NS 19/26 DURAN® double cores, ground are an old, less common design to DIN 12249 Form D. They are primarily used for the purpose of saving material. Special features and advantages: According to DIN 12249 Form D Ground (finer ground quality, less roughness) Glass article with two cores enables material to be saved Tight seal due to standard ground joint Glass article for further processing Application: Installation in glass apparatus and equipment