Description: Used for testing various plastics, rubber, paper, building materials, textiles, wood, polymer materials,etc. It conforms to GB/T 5454-97 "Testing method for oxygen index of textile combustion performance"; GB/T 2406-2008 "Testing method for plastic combustion performance"; GB/T 10707-2008 "Testing method for oxygen index of rubber combustion performance". Performance parameters: The specifications of the combustion chamber: quartz glass tube inner diameter: 100 mm, height: 450 mm; Oxygen concentration regulation range: 10% ~ 60%; The inner frame size of the sample clip: 140 m m * 38 mm The ignition of the special manual igniter is safe and reliable. The instrument is simple in structure and easy to operate. Three pressure meters provide oxygen output pressure, nitrogen output pressure and mixed gas output pressure respectively.