DRK304 Oxygen Index Detector The instrument is manufactured according to the technical request of ISO4589-1984 .It is applied to test the combustion of all kind of textile, such as woven, knitted fabric, non-woven fabric, coated fabrics, laminated fabric, composite fabric and carpet etc. as well as plastic, rubber and paper. The instrument conforms to GB/ T5454-97.It is the way of testing the combustion of polymer and a tool of researching the anti-combustion formula. Characters: 1.customization special glass Rota meter with accuracy and anticorrosion 2.dedicated manual ignition devices with safety and reliability 3.stainless steel shell, integrated structural design, beautiful, durable and easy to operate Technical parameters: 1.specification of combustion tube: quartz glass tube diameter: 75mm, height: 350mm 2.adjustable range of oxygen density: 10% ~ 60% 3.dimension of clamp inside frame: 140× 38 ( mm)