
Cordial Lab 50-3000ml Borosilicate 3.3 Glass Short Neck Boiling Flask with Standard Ground Mouth for Laboratory. Borosilicate 3.3 Glass: Made from high-quality borosilicate 3.3 glass with excellent thermal shock resistance. Wide Capacity Range: Available in capacities from 50ml to 3000ml to meet diverse laboratory needs. Standard Ground Mouth: Features standard ground mouth sockets (14/23 to 34/35) for secure connections. Clear Graduation: Equipped with easy-to-read white enamel graduated scales and clear labeling fields. OEM/ODM Service: Custom logo printing and design services available based on customer ideas or drawings. Uniform Wall Thickness: Machinery-formed structure ensures uniform wall thickness with no bubbles. Double-Capacity Scale: Features a double-capacity scale applicable for various measurement requirements. High Transparency: Transparent color design allows for clear visibility of liquid levels and contents.