From the specificationson
thesandcan be divided
intosand,sandand
grit.Sandparticle
size0.*5-0.*5mmsand,particle
size0.*5-0.5mminthe
sand,more than
0.5mmcalledcoarse.Generalhome
improvementrecommendedin
thesand. Sandfromthesourcecan
be divided intothe sand of the
sea,sand
andmountainsof
sand.Inarchitectural
decoration, the stateprohibited the use
ofsea sand.The
sand of the
seaclean,buthighsalinity,causedagreat
impact onthe quality of the
project.Todistinguishwhether
it issand,
mainlyto
seethesandwhichcontainsmallmarineshells.Themountainof
sandduetosurface
roughness,cementadhesioneffect,
butthemountainof
sandcomplex composition, most
withdirt and
otherorganicimpurities.Therefore,thegeneraldecorativeworksarerecommendedtousesand.Sandthesurface
roughnessismoderate,
butrelativelyclean,containingless
impurities.Generallyfrom
the marketto
buybackthesandhad
tobe
screenedwithanetcan
be used.