INDUSTRIAL QUALITY || 15ml (0.16oz) (0.5oz) 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 ...INDUSTRIAL QUALITY || 15ml (0.16oz) (0.5oz) 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