Engler Distilling Flasks is used for the atmospheric distillation of petroleum products.– With standard ground joint 19/26 – Conforms to ASTM D86 and DIN EN ISO 3405 – Precisely fitting connection due to standard ground joint – Fired-on, highly durable white ceramic – Engler Distilling Flasks is used for the atmospheric distillation of petroleum products.– With standard ground joint 19/26 – Conforms to ASTM D86 and DIN EN ISO 3405 – Precisely fitting connection due to standard ground joint – Fired-on, highly durable white ceramic –