The Influence of Different Water Pressure Rising Rate on Liquid Penetration Resistance of Medical Protective Fabric is Analyzed
Objective:To study the effect of different water pressure rising rate on liquid penetration resistance of medical protective fabrics.Methods:Three medical protective products of three different materials,namely disposable surgical gown,disposable protective clothing and disposable protective clothing,were selected as the research objects,three samples were cut out from each piece,and three different rates of 10cmH2O/min,60cmH2O/min and 100cmH2O/min were selected,referring to GB/T 4744-1997 "hydrostatic test for determination of impermeability of textile fabrics",the effects of different velocity on the penetration resistance of various medical protective fabrics were compared by using asia-pacific lass M018 water penetration tester.Results:The values of impermeability of the samples with the rate of 10cmH2O/min were less than those of the samples with the rate of 60cmH2O/min and 100cmH2O/min,and the hydrostatic pressure values of the samples with the rate of 60cmH2O/min and 100cmH2O/min had no significant difference.Conclusion:Different water pressure rising rate has a certain influence on the result of seepage resistance.When the water pressure rising rate is lower,the faster the water pressure rising rate is,the greater the hydrostatic pressure value is,the rate of water pressure rise has no obvious effect on the hydrostatic pressure.
resistance to liquid penetration performancemedical disposable protective clothingdisposable medical sheetsurgical gownrate of water pressure rise