Unaffected by virtually all chemicals Isostatically molded from virgin polytetrafluoroethylene Machine finished, smooth surface allows for easy cleaning and eliminates contamination Withstands temperatures from cryogenic range to 260°C Resists adhesion by practically all…

Isostatically molded beaker covers (watch glass) from virgin polytetrafluoroethylene and machine finished to give a smooth surface for ease of cleaning and to eliminate contamination. Virtually immune to chemical attack, only attacked by some fluorine containing compounds at high temperature and…