• Made from Heat Resistant Low Expansion 3.3 Borosilicate Glass

The abbreviation for “Condensers, Double Surface with Glass Connector, ASTM” could be “Double Surface Cond., Glass Conn., ASTM” or “DSC-GC-ASTM.” This denotes a condenser with a double surface and a glass connector, designed to meet ASTM (American Society for Testing and Materials) standards. These condensers are commonly used in laboratory setups for various cooling and condensation applications, and the glass connector ensures compatibility with other glassware in the laboratory, meeting ASTM specifications for quality and performance.