WAerospace materials
WAgricultural lime
WAramid
WAuxetics
WBaby powder
WBingham plastic
WBouligand structure
WChemiresistor
WCork (material)
WD3o
WDevoré
WDimitris Drikakis
WEbonite
WFiber
WFiller (materials)
WFood contact materials
WGemstone
WGlass
WGlass microsphere
WHybrid wood
WInsulator (electricity)
WIron(II) hydroxide
WJ-aggregate
WLatex
WLayered double hydroxides
WLute (material)
WMaterials for use in vacuum
WMesoporous material
WMilk fiber
WMineral wool
WMuka
WNatural rope
WNoil
WOrthotropic material
WPlastic bottle
WPorous medium
WPutty
WRadiant barrier
WRadiation-absorbent material
WRaw material
WRefractory
WRice hulls
WRock (geology)
WRubblization
WSafety data sheet
WSealant
WSemimetal
WSlurry
WSolid surface
WSpace blanket
WStructural material
WSuperhard material
WTar
WThermal oxidation
WTortoiseshell
WWattle (construction)
WWood