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Term |
Definition |
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CAB
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Cellulose-acetate-butyrate
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Cable
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A standard conductor; or a group of solid or standard conductors laid together but insulated from one another.
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CAD
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Computer-aided-design
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CAE
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Computer-aided engineering
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Calender
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(v). To prepare sheets of material by pressure between two or more counter-rotating rolls. (n) The machine performing this operation.
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Calendering
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A form of extrusion using two or more counter rotating rolls in which film and sheet is produced by squeezing a hot, viscous material between them.
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CAM
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Computer-aided-manufacturing
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CAP
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Cellulose-acetate-propionate
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Capacity
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(1) The amount of space provided inside a container for a given amount of product. (2) The total amount of volume inside the container. The latter is more correctly called the overflow capacity.
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Caprolactam
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A cyclic amidetype compound, containing 6 carbon atoms. When the ring is opened, caprolactam is polymerisable into a nylon resin known as type-6 nylon or polycaprolactam.
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Carbon Black
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A black pigment produced by the incomplete burning of natural gas or oil. It is widely used as a filler, particularly in the rubber industry. Because it possesses useful ultraviolet protective properties, it is also much used in polyethylene compounds intended for such applications as cold water piping and black agricultural sheet.
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Carbon-Reinforced-Reinforced Plastic (CFRP)
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Carbon-reinforced-reinforced plastic (CFRP)-a composite material of carbon fibres and a polymer matrix
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Casein
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A protein material precipitated from skimmed milk by the action of either rennet or dilute acid. Rennet casein finds its main application in the manufacture of plastics. Acid casein is a raw material used in a number of industries including the manufacture of adhesives.
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Cast
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(1) to form a plastic object by pouring a fluid monomer-polymer solution into an open mould where it finishes polymerising. (2) Forming plastic film and sheet by pouring the liquid resin onto a moving belt or by precipitation in a chemical bath.
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Cast Film
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A film made by depositing a layer of plastic, either molten, in solution, or in a dispersion, onto a surface, solidifying and removing the film from the surface.
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Casting
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(n) The finished product of a casting operation; should not be used for moulding.
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Casting Area
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The mouldable area of a thermoplastic in square inches for a given thickness and under a given set of injection moulding conditions. Casting area is a measure of flow under actually moulding conditions where flow is unrestricted by cavity boundaries.
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Catalysis
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Acceleration of a chemical reaction by catalysts
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Catalyst
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A substance which markedly speeds up the cure of a compound when added in minor quantity as compared to the amounts of primary reactants. See Hardener, Inhibitor, Promoter.
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Cavity
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Depression in a mould made by casting, machining, hobbing, or a combination of these methods; Depending on number of such depressions, moulds are designated as Single-Cavity or Multi-Cavity; Specially shaped open space in a mould, which is filled with the material
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