ASTM Narrow Neck Borosilicate Glass Erlenmeyer Flask with Dual Scale, 6-Pack Capacity:1000mL Extra-large navy blue polyester/cotton drill

Extra-large navy blue polyester/cotton drill lab coat features long sleeves and three large pockets for general classroom and laboratory wear

Economy-format graphite crystal model showing the layered hexagonal structure and the weak interlayer bonds responsible for graphite's slippery

and screens

and a replaceable 5W heating coil for 6V 1A powered specific-heat work

used to illustrate cleavage angles near 90 degrees in mafic igneous rock identification

ASTM Narrow Neck Borosilicate Glass Erlenmeyer Flask with Dual Scale, 6-Pack Capacity:1000mL Extra-large navy blue polyester/cotton drillBorosilicate glass Erlenmeyers configured for small group ASTM compliant volumetric work, with dual scale graduations for both fill and pour reading.