Light weight; heat insulation, lower density, larger volume, lower shrinkage; easy polishing, ... 2-125μm in diameter. It owns features with light weight, large bulky, low thermal conductivity, high compressive strength, smoothly mobility ... oProductShow = new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); weight-reduction hollow glass microspheres