Extruded Chipcore Board

Discusses manufacture of chipcore by a continuous extrusion process, that may be horizontal or vertical, depending on plant facilities. Lists advantages of this process, product specification, equipment requirements, and manufacturing costs. Equipment costs for a 48-inch vertical extruder is $90,000. Material costs for wood chips are $5 per ton; resin (65 percent solids) is 0.095 per lb.; and catalyst is 0.10 per lb. Manufacturing cost per 1,000 sq. ft. is $48.67. Description is given of complete manufacturing operation.

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