Test Tubes - 50 mL S-25266 - Uline

Conduct experiments in chemical testing and research labs. Crystal clear borosilicate glass with chip-resistant rim. Borosilicate Glass : Withstands repeated sterilizations, temps up to 950 F, harsh chemicals and thermal shock from sudden temperature changes. Withstands direct flame and temps up to 950 F. Easy to clean. Autoclavable. FDA compliant. Use with Test Tube Rack , sold separately.ULINE offers over 41,000 boxes, plastic poly bags, mailing tubes, warehouse supplies and bubble wrap for your storage, packaging, or shipping supplies.