Assertion: borosilicate glass | /r/HasProperty | sold under supertek
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Source sentences:
text: Borosilicate glass is sold under various trade names, including Borosil, Duran, Pyrex, Supertek, Suprax, Simax, Bellco, BSA 60, BSC 51 (by NIPRO), Heatex, Endural, Schott, Refmex, Kimax, and MG (India).