There are various testing methods for waterproof Oxford fabrics. Currently, waterproof Oxford fabrics are tested at home and abroad. The most practical method of operation is as follows: All coated or laminated fabrics are fixed on the support frame with rubber rings, with the coated or laminated side facing outward. The installation of the sample support system shall be subject to being able to float in a water tank with a water temperature of 23°C.
Aftertestingthequalityofthetestcup(includingspecimen,desiccantandfilm)withthefilmfacingupwards,quicklyturnthetestcupupsidedownandplaceitintothesampleholder.Thisassemblymethodisplacedinaconstanttemperaturedeviceof30℃±2℃.After15minutes,removethetestcupfromthethermostat,turnitupsidedownandmeasureitsweight.MostwaterproofOxfordfabricsbasedonthisdetectionmethodcanachievewaterproofandmoisture-proofeffects.
Theworkingprincipleofwaterprooffabricis:inthestateofmoisture,thewaterparticlesareverysmall.Accordingtotheprincipleofcapillarymovement,theycansmoothlypenetratethecapillarytotheotherside,thuscausingbreathability.Whenthewatervaporcondensesintowaterdroplets,theparticlesincrease.Duetothesurfacetensionofthewaterdroplets(thewatermolecules”pullandcompete” with each other), the water molecules cannot smoothly break away from the water droplets and penetrate to the other side, that is, to prevent the water from Penetration occurs, making the breathable membrane waterproof.
What are the specifications of Oxford cloth? Such as 1680D, 1200D, 900D, 600D, 420D, 300D, 210D, 150D and other Oxford cloth. Function classification of Oxford cloth: fire-retardant cloth, waterproof Oxford cloth, PVC Oxford cloth, PU Oxford cloth, camouflage Oxford cloth, fluorescent Oxford cloth, Printed Oxford cloth, composite Oxford cloth, etc.
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