100PK Test Tubes 25ml - Borosilicate 3.3 Glass - 1.2mm Thick Walls Beaded Rim - Superior Heat & Chemical Durability - 5.9 Tall 0.7 Diameter - Eisco Labs
- INDUSTRIAL QUALITY || 25ml (0.85oz) (0.16oz) Test Tubes made of high quality, heavy duty, Borosilicate 3.3 glass.
- THIN WALL || Uniform wall thickness of 1.2mm provides excellent thermal shock resistance.
- BEADED RIM || Chip & crack resistant, fire polished beaded rims.
- THERMAL SHOCK RESISTANT || Autoclavable for easy sterilization. Low temperature gradient- can withstand direct flame, high temperatures & thermal shocks.
- GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use. Great for organization and storage of spices & craft supplies.