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The MD-II measures the density of glass and other nonporous solids from 1.1 to 3.3 g/cm³ by the buoyancy comparison method. It also measures the apparent density of ceramics and solids with known porosity for glass-production control and solid-material research.
The SQ005B measures thermal shock resistance and thermal-shock durability of glass containers under controlled hot- and cold-bath conditions. It is intended for bottles, jars, beer bottles, glassware, and infusion bottles under GB/T 4547-2007.
The instrument automatically determines the softening point of glass fiber by tracking fiber elongation with a grating or laser displacement sensor during programmed heating. It references GB/T 28195-2011 and ASTM C338 and provides S-type thermocouple control, computer data acquisition, and report output.
The instrument measures the internal pressure resistance of glass bottles and containers using pass, increasing-pressure, and destructive test modes. It is intended for glass bottles, infusion bottles, and wine bottles under GB/T 4546-2008 and ISO 7458:1989.
The BML-II measures glass surface tension in the softening-temperature range by the fiber-shrinkage method. It suspends a glass fiber in a controlled tubular furnace and calculates surface tension from the equilibrium between the softened neck and the lower fiber weight.
The RH-I determines glass softening temperature by the hanging-fiber method specified in ISO 7884-1978(E). It controls heating at 5 ± 1 °C/min and detects the temperature at which a 235 mm fiber elongates by 1 mm, corresponding to a viscosity of 4.5 × 10⁶ Pa·s.
The MD-2 determines the density of glass and other nonporous solids by the comparative sink-float method over a stated range of 1.1–3.3 g/cm³. It can also determine the apparent density of ceramics and solids with known porosity under GB/T 14901-1994.
The SJY-I determines glass annealing and strain points by the fiber-drawing method while a 0.65 mm glass fiber is cooled at 4 °C/min. It references ASTM C336, SJT 11039-1996, and JC/T 752-1996 and also lists a 1,000 °C maximum temperature, PID control, and ±1 °C temperature error.
The SWY-I detects and measures internal stress in glass using polarized-light interference, sensitive color plates, and quarter-wave-plate compensation. It provides qualitative, semiquantitative, or quantitative stress measurement for optical glass, glass products, and other optical materials.
The Digital Glass Vertical Axis Deviation Tester measures vertical-axis deviation in glass bottles according to GB 8452-2008. It is used for beer, beverage, and pharmaceutical bottles in glass-container quality control.
The instrument measures the base and wall thickness of glass containers and bottles by digital display and encoded sensor measurement. It is specified for beer and beverage bottles, plastic bottles, and pharmaceutical ampoule, oral-liquid, antibiotic, and infusion bottles.
The SWY-I measures internal stress in glass and optical materials by polarized-light interference and quarter-wave compensation, with qualitative and quantitative methods. It references GB/T 4545 and provides automatic display and print output.
The GXT glass crystallization test furnace uses the gradient furnace method to determine the crystallization temperature range, upper and lower limits, and degree of crystallization in glass. It is used to test glass, gemstones, and other non-metallic materials in factory, school, and research laboratories.
The SJY-I-10/14 glass annealing apparatus determines the annealing temperature of glass using a high-purity alumina-tube resistance furnace. It is intended for glass research and teaching and also supports polarization experiments.