This KIMAX® educational grade cylinder is ideal for use in educational institutions and for many general laboratory procedures. “TD” appears on the cylinder and indicates the cylinder is calibrated to deliver. Made of sturdy borosilicate glass, with a reinforced top bead, a pour spout, and a hexagonal plastic base. This 10mL size vessel has an enlarged funnel-shaped top for ease of filling. The 10mL size is comparatively short to provide increased stability. Scale is durable blue ceramic enamel. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.