This series of glass labware are produced strictly according to ASTM Standards.
1. The products are made of Schott Duran Borosicate 3.3 tube.
2. The glassware are man blowing produced by skilled workers.
3. Each glassware is crystal clear. The thickness is heavy and uniform. It is flawfree that no any bubble or wrinkle.

Cat.NO. Product Name
FLK-01-25 25mL Single Neck Round Bottom Boiling Flask
FLK-01-50 50mL Single Neck Round Bottom Boiling Flask
FLK-01-100 100mL Single Neck Round Bottom Boiling Flask
FLK-01-250 250mL Single Neck Round Bottom Boiling Flask
FLK-01-500 500mL Single Neck Round Bottom Boiling Flask
FLK-01-1000 1000mL Single Neck Round Bottom Boiling Flask
KIT-00305 Single Neck Round Bottom Boiling Flask Set (25, 50, 100, 250, 500mL one each)