KIMAX bottle used in the determination of the specific gravity of cement, sand, and other fine materials (ASTM C188). Designed for a 64 gram sample. Body holds approximately 250 mL, and the smaller neck bulb holds 17 mL. The neck bulb, the neck is graduated from 0 to 1.0 mL and has two extra 0.1 mL lines both 1.0 mL and 0.0 mL. The neck bulb, the neck is graduated from 18 to 24 mL in 0.1 mL subdivisions. All markings are durable white enamel. Supplied with serial number. Designed from ASTM Specification E694 and complies with C188. Replacement stopper is 41900R.