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                    JG319 sponge air permeability tester
                
          
                
          
                    
                
          
                
          
                    
                        
          
                        
          【Scope of application】
          

          It is suitable for measuring the air permeability of sponges, latex sponges, polyurethane foam cotton, high polymer porous elastic materials, mattresses and other materials.
          

          【Standards compliant】
          

          ISO 4638:1984 Polymer porous elastic materials-Determination of air permeability
          

          GB/T 10655 Determination of air permeability of polymer porous elastic materials
          

          AQ 1088-2011 Technical specifications of polymer materials for spraying and plugging wind in coal mines
          

          ASTM D3574-2005 Standard Test Method for Flexible Foam Materials-Bonded, Molded Polyurethane Foam Plastic Sheet
          

          【technical parameter】
          

          1. Ultimate vacuum: -4kPa
          

          2. Flow test range: 0-30L/min
          

          3. Flow meter test accuracy: ±1.5% FS
          

          4. Differential pressure sensor: 0-1000Pa
          

          5. Test accuracy of differential pressure sensor: 0.1% FS
          

          6. The volume of the test chamber: 100*100*200mm
          

          7. Sample size: 102*102mm, thickness 50-100mm (thickness can be superimposed)
          

          8. Thickness input: 0-999.9mm
          

          8. Air permeability range: 0-999.99X10-10/m2
          

          9. Measuring range of temperature sensor: -40℃-80℃
          

          10. Data output: built-in micro printer
          

          11. Instrument size: 800*630*700 mm.
          

          12. Weight: 80KG