Chemware* Teflon* PTFE Boiling Stones
Ultrapure, virgin PTFE chips promote gentle, efficient boiling and help to prevent superheating of highly volatile liquids. Resistant to almost all chemicals, such as boiling acids, hydrocarbons, ketones, esters, alcohols and alkalis. Easily cleaned and non-contaminating. Shows no trace of face acidity or alkalinity. Will not scratch or abrade glassware and leaves no powdery residue. Usable up to 288°C (550°F). 450 g bottle.
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.
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