It is used to determine the fire stability of refractory gypsum board, and is also suitable for the determination of the fire resistance of other building materials, decoration and decoration materials. 【Relevant Standards】

Design standard: GB/T9775-2008 (ISO6308:1980) “Paper gypsum board”

【Scope of application】: It is used to determine the fire stability of refractory gypsum board, and is also suitable for the determination of the fire resistance of other building materials, decoration and decoration materials. [Meet the standard]:             Design standard: GB/T9775-2008 (ISO6308:1980) “Paper gypsum board” [Instrument features]:               The specimen is drilled and processed under specified environmental conditions. The specimen is hung between the two tin vents with a support rod, and the flame vent is perpendicular to the surface of the specimen. Liquefied petroleum gas is used as the heat source to supply gas to the two burners of the fire stability tester, and the burner flame vent is 30mm away from the plate surface. The lower end of the test piece is hung according to the standard and the burner is ignited. The thermocouple is used to measure the temperature at a distance of 5 mm from the board surface. At the beginning of the test, the carbonized mask that falls on the thermocouple should be removed without shaking the specimen. By adjusting, the temperature was controlled at (800±30)°C within 3 minutes, and this temperature was maintained during the test. The timing is from the start of the specimen when it encounters fire to the fracture and failure of the specimen. The time when each specimen is burned out is recorded, and the smallest value of the five specimens is used as the fire stability of the specimens in this group, accurate to 1min. 【Technical Parameters】: 1. Power supply voltage: 220V±10% 50Hz Power: 180W 2. Automatic ignition function 3. Dual thermocouple temperature measurement 4. Temperature and time digital display 5. Double burner, inner diameter is Φ9.5mm±0.5mm, length is about 100mm, with air adjustment nut 10mm, flame head diameter (40±1) mm, flame hole diameter (2.5±0.1) mm 6. Flame length 20mm-100mm range is adjustable 7. The flame application time and holding time can be adjusted in the range of 0~99 minutes and 99 seconds 8. Automatic control of the test process. 9. Automatic recording of burning time when the pattern is broken. 10. Gas source: The gas source of the test flame is coal gas or petroleum liquefied steam (it is recommended to choose gas with better temperament as much as possible) 11. Flow adjustment range 100~1000mL/min 12. Timing accuracy (resolution): 0.1s 13. Test temperature: 800±30°C, maximum temperature 900°C, accuracy level 1 14. Temperature stabilization time: <3min(800±30)°C 15. Specimen: 300mm (length) × 50mm (width), drilled 25mm from both sides 16. Suspension load: 7, 10, 12, 15, 17, 20N (converted to suspension load 0.75~2.5kg) 17. Overall dimensions: 700 (width) × 300 (depth) × 600 (height) mm 18. Outer packaging size: (mm)800(width)×420(depth)×700(height)