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PVC celuka foam board
- Jul 04, 2018 -

PVC celuka foam board, also known as controllable foaming method, also known as CELUKA, is widely used and invented by French gine kulmann company. It is the first patented extrusion foam molding method. . The principle of celuka is that the outer skin of the melt is compressed and cooled in a sizing device directly connected to the die, and the mandrel in the cavity ensures that the extrudate leaves a space inside the die, and the space passes through the melt. Free foaming is filled in the sizing die. The cooling strength, the size of the mandrel, and the extrusion speed can affect the foam core density and the outer skin thickness.