... 4.user-friendly design,energy-saving Instructions of small ice flake making machine: 1) Refrigerant:R22,R404A2) Ambient temperature:25°C3 ... 2.5mm.4) No acute edges and corners so it will not damage the surface of the cooled object. ... chemical industry, mines, concrete construction project, etc.Advantages of ice flake making machine:1). Beautiful appearance,effective cost. 2). Homogeneous freezing, ...