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Some Brief Expositions On Casting Knowledge Feb 15, 2017

 "Casting" is mostly about the production process. PVC and other essential ingredients are mixed in a predetermined order, under a specific speed and guaranteed for a certain period of time to ensure adequate mixing. This mixed liquid, called an organosol, then dumps it on a moving net, which is called a cast piece and then evaporates the solvent through an oven. When the solvent evaporates, the solid ethylene film is initially formed on the aluminum cast sheet and covered with a protective mold.

This process allows the film to become thin (most cast film is 2 mil thick) and fixed to make the product more consistent. Material manufacturers recommend aluminum casting film for those floats or boats, customers want paint effect, the general weather resistance according to the different processing methods for 5 to 8 years.

Like aluminum casting, the calendering film is also named after their production process. And aluminum casting a bit similar, but not mixed with the solvent only. Create a dough that mixes and heats a batch of material into a semi-molten form, a bit like a pizza. These semi-fluids are then extruded and passed through a series of calendering rolls. The polished steel rolls are rolled and the ethylene material is squeezed into a flat plate (similar to flattening the dough with a stick).