20pcs/lot 20x150mm clear Glass Flat bottom test tube with cork stopper,Lab Thickened glass reaction vessel with flat mouth
Item: Glass test tube with cork
Material: Glass
Type: Flat bottom
Size: Outer DIA is 20mm, length (not include cork) is 150mm
Capacity: about 40ml
Note: Manual measurement, there will be a little error, data for reference only.
USES:
Used in school chemistry LABS as a reaction vessel for small amounts of reagents