Specifications of Heat Resistant Tempered Glass for Boilers for info or other custom sizes please paint General laboratory equipment. Glass Klinger measuring glasses are suitable for installation in liquid level gauges of almost all make. Klinger exclusive glass gauges are made from extra-hardened borosilicate glass which is then heated. Klinger measuring glasses have high mechanical strength and are very resistant to alkalis, acids and boiler water (within service limits). Continuously quality control tests are carried out: glass purity, weakness in glass, accurracy dimensions. This ensures the high quality standard of all Klinger measuring cups. We produce reflexes and transparent glass according to the most diverse international standards. Application Field: Oil refinery Chemical Petro Plant Pharmacy Manufacture Chemical processing Mechanical engineering, especially manufacturing boilers and storage vessels Food and beverage industry Water Engineering Pulp and paper industry Textile industry Marine Engineering Nuclear Engineering Pressure Measuring Instruments