Round sight glass sheet Gasket Sheet, Gauge Glass, Level Gauge, Quartz Glass, Sight Glass
For compressive stress with temperatures borosilicate circular sight glass up to max. 280 degrees Celsius,
In a toughened form, temperatures up to 315 degrees Celsius are possible whilst annealed glass may be used up 400 degrees Celsius continuously with a short term maximum of 500 degrees Celsius.
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