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1、學(xué)號(hào)：0704240209防水材料2009?2010學(xué)年秋季學(xué)期學(xué)院：材料科學(xué)與工程學(xué)院專(zhuān)業(yè)班級(jí):高分了07?2班姓名:王凌云Howtowaterprooffabric:leathershoes,clothing,andmoreWaterproofingleatherisoneoftheeasiestwaystoextenditslife.Learnwhatproductsareoutthereandhowyoucanprotectyourfavoriteleathers?Waterandleatherdonotmi
2、x.Leatherthathasbeendampenedorexposedtoexcessiveamountsofmoisture,losesitsnaturaloils,leavingyouwithstained,dry,stiffmaterial.Waterproofinginvolvesapplyingasurfacecoattoleatherthatwillhelptopreserveitsquality,workmanshipandvalue.Whenyouwaterproofsomething,you'r
3、eprovidingabarrierthatwatercannotpenetrate.KNOWYOURLEATHERThereareseveraldifferenttypesofleatherwhichareusedinmakingmanydifferentproducts.Itisofutmostimportaneetoknowwhichtypeofleatheryou'redealingwith.Harshsiliconespraysandwaxes,forexample,cannotbeusedonthin,d
4、elicatesplitleathers?Likewise,youwouldreceiveinadequatewaterproofingprotectionfromanubuckleathercoatingifyouappliedittoaworkorhikingboot.HOWMUCHPROTECTIONDOYOUNEED?Howmuchprotectionyouwanttoapplytoyourleatherisuptoyou.Itemsthatwillbeusedoutdoorsfrequentlyindamp
5、orwetconditionsshouldbetreatedwithmaximumprotection.Bootsandshoeswornduringcoldwintermonths,mostoftenbenefitfromheavyoils,waxesanddressings.Dressgloves,nubuckshoes,andsuedecoatsthatareonlyexposedtoaminimalamountofmoistureneednotbetreatedinthesameway.COLORCHANGE
6、SBeforewaterproofinganything,it'salwaysbesttoperforma"spotcheck**Manyleathercleanersandprotectorscanchangethecolorortextureofleather.Findasmallpatchofleatherandtreatthespot,allowingittosoakinovernight.Ifyou'resatisfiedwiththeresult,goaheadandtreattherestofthepr
7、oduct.NOTEABOUTDELICATELEATHERSSplitleathers,suchassuedeandnubuck,shouldneverbetreatedtraditionaloils,waxesorsiliconesprays.Heavydutyoilsandwaxeschangethecolorandtextureofdelicateleathers.Whenshoppingforanappropriatewaterproofingproductfortheseleathers,lookforo
8、nethatspecificallystatesitcantreatnubuckandsuede?DRESSINGS,OILSANDWAXESHeavydutydressingsandwaterproofingoilsandwaxesaresoldasbrush-onorrub-onproducts?Theyareusuallyoilbased
