Plastic tubing

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Plastic tubing is commonly used with fluids and gases in hydraulic, pneumatic, wiring, and medical systems, among other applications. Larger sizes of circular plastic tubes are also used as containers with removable tops (stoppers) and bottoms. Examples of plastic tube materials and their properties are presented below.


Table Caption
Composition Forms/Sizes Properties Uses
Acetal (e.g., Delrin) opaque (white or black); 1/8" to 2 1/2" rigid; easy to machine; moisture resistant; does not loose strength or soften in water; temp. range: -20° to 180° F
Acrylic Cell 2 Cell 3
Nylon opaque; semiclear; many colors; 1/8" to 1/2" expensive; chemically inert; semi-flexible; can withstand high pressures; temp. range: -60° to 200° F; fire retardant for air and water, especially at high presesures; used for air brakes
Polycarbonate clear; 3/8" to 6" rigid; can withstand high pressures; does not degrade in UV light; Temp. range: 32° to 250° F for air and water, especially at high pressures
Polyethylene opaque, semi flexible; chemically inert; fire-retardant; temp. range: -70° to 175° F
Polypropylene semiclear; 1/8" to 1 1/4" economical; chemically inert; slightly flexible; crack-resistant; temp. range: 40° to 200° F for air and water
Polyurethane clear; 4mm to 12 mm semi-flexible; excellent resistance to abrasion and tearing; temp. range: -30° to 140° F
Polyvinyl chloride (rigid) opaque white Cell 7
Teflon Cell 10 Cell 11
Silicone Cell 14 Cell 15
Vinyl (flexible, e.g. Tygon) Cell 14 Cell 15

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