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Term |
Definition |
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Kirksite
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An alloy of aluminium and zinc used for the construction of blow moulds; it imparts high degree of heat conductivity to the mould.
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Kiss-Roll Coating
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This roll arrangement carries a metered film of coating to the web; at the line of web contact, it is split with part remaining on the roll, the remainder of the coating adhering to the web.
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Knife Coating
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A method of coating a substrate (usually paper or fabric) in which the substrate, in the form of a continuos moving web, is coated with a material whose thickness is controlled by an adjustable knife or bar set at a suitable angle to substrate. In the plastics industry PVC formulations are widely used in this work and curing is effected by passing the coated substrate into a special oven, usually heated by infrared lamps or convected air. There are a number of variations of this basic technique and they vary according to the type of product required.
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Knit Lines
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See 'Weld Mark'
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Knockout Pin
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A device for knocking a cured piece from a mould. Also called Ejector Pin.
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Knot Tenacity (Knot Strength)
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The tenacity in grams per denier of a yarn where an overhand knot is put into the filament or yarn being pulled to show up sensitivity to compressive or shearing forces.
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Kraft Paper
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Paper made from sulfate wood pulp.
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