... used on compress glass, rubber, plastic, moulds with metal casting or compressing. The jetting balls would help reduce ... of impact forging, forging, glass, rubber and plastic, metal casting and extrusion.2. Eliminate tensile stress, increase fatigue ... .productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); low heavy metal industrial polishing/grinding/ sandblasting glass beads