Single neck flasks with Standard Taper outer joints. Tops are reinforced and tooled with a rounded finish, containing more glass to give them maximum mechanical strength 24/40 Ground Glass Joint Flask Aldrich ® Erlenmeyer Flask With ST Joint ASTM Standard Flask KIMAX® flask with a full length Standard Taper ground glass neck finish and durable white ceramic enamel capacity scale. The tops are reinforced and tooled with a rounded finish, containing more glass to give them maximum mechanical strength. The body is thick-walled, with a long tapered outside contour to minimize chipping when struck or rubbed together. Designed from ASTM Specification... Flasks are graduated with white scales to indicate approximate volumes and feature a full length [ST] ground glass neck finish. Uxcell 24/40 Erlenmeyer Flask, 2 Pcs 50ml/1.7oz Borosilicate Glass Conical Flasks Heavy Wall Graduated Flasks 24 40 Standard Taper Outer Joint Lab Exp Designed from ASTM Specification E1404, Type II, Class 1 requirements.
