10pcs 12x75mm Lab Chemistry Glassware Borosilicate Glass Teaching Test Tubes

Package weight: 0.06 kg
Description:
10pcs 12x75mm Lab Chemistry Glassware Borosilicate Glass Teaching Test Tubes
Specifications:
Material: Glass
Size; 12x75mm
Capacity: 6ml
Suitable For: Laboratory, teaching, planting, kitchen, etc.
Features:
1. Tube should be preheated prior to heating, or easy to burst
2. Test tube holder from the tube should be caught in the mouth of one third place
3. Loading solution should not exceed 1/2 of the tube, heating capacity should not exceed 1/3 of the tube
4. Test tube with a dropper to add liquid should be dropped vacant, it may not extend into the tube
5. Not immediately cooled after heating, to prevent burst
Package Includes:
1x 10pcs Glass Tubes
More Details: