BorosilÂ® Tall Form Beakers are the ideal container for use when stirring, mixing, or heating liquids. Each beaker has uniform wall thickness distribution which aids in the balance between thermal resistance and mechanical strength, which is ideal for heating liquids. The pouring spout design allows for clean and precise pouring. Each Beaker comes graduated to assist in measuring content. All sizes come standard with a durable enameled space for marking. Complies with IS 2619/ ISO 3819 and DIN 12331. *500mL not covered in IS, ISO, and DIN standards.