
Borosilicate Scientific Lab Glass Flask. Borosilicate 3.3 Glass Material: Made from high-quality borosilicate 3.3 glass for superior heat resistance and durability. Wide Capacity Range: Available in volumes from 5ml to 100000ml to suit various laboratory testing needs. ISO Certification: Products are ISO certified, ensuring compliance with international quality standards. Comprehensive Warranty: Warranty is available for the products, providing assurance for laboratory equipment. After-Sales Service: Dedicated after-sales service is available to support customers with any issues. Multiple Glass Types: Supplies include borosilicate glass tubes, rods, ceramic pyroceram, and neutral pharmaceutical glass.