Tops are reinforced and tooled with a rounded finish, containing more glass to give them maximum mechanical strength

·         Body is thick-walled, with a long tapered outside contour to minimize chipping when struck or rubbed together

·         All flasks have durable white ceramic enamel scales to indicate approximate volumes at various levels, useful in measuring and mixing solutions where a high degree of accuracy is not necessary

·         Designed from ASTM Specification E1404, Type I, Class I requirements

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements