... pump4) Produces blocks of 6 - 40kg/m density, has fast molding, uniform cementing, low moisture content and not tend to deform5 ... the surface of mold is easy to demould6) Thickened vacuum block molding machine is attached with auto-transportation, auto-electric weighing and printer7 ... and 1,150mm, also can produce 1,000mm building blocks EPS Automatic Vacuum Block Molding Machines