35/20 Spherical Joint Boiling Flask Round Bottom Flask Glass Flask Laboratory Glassware Lab Glassware Laboy Glass35/20 Spherical Joint Round Bottom Boiling Flask WIDELY USED----The round bottom flask is widely used in organic chemistry,in a or vacuum apparatus ,it’s used a a flask and receiving flask with a glass condenser and some adapters like the 3 way adapter,take-off adapter;In a reflux process,it’s used as a reaction flask with a reflux condenser. Round Bottom Boiling Flask,1000ml,3 Neck24/29 Join... – Vicedeal It is also used as a flask in rotary evaporators. Product Description. Our 2L S35/20 1 Neck Spherical Joint Round Bottom 2000ml flask is constructed with 3.3 Borosilicate Glass and a 35/20 neck for a durable... Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling. stonylab Spherical Joint Round Bottom Receiving Flask, Borosilicate HEAVY WALL ---Laboy glass flasks are heavy wall design , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable.
