... durable Powder phenolic resin:Good technological efficiency,a smaller forming density,greater abrasives structure. 5)F:Fiber glass ... wheel hardness:The amount of resin bond to join,Forming density of abrasive,Sintering temperature and sintering temperature ... carbon steel,casting,railway,non-ferrous metal,soft metal,welds,solid materialsIndustry:1.cutting sheet metal -cutting pipe2.foundry/forge shops- ...