Convolute tubing materials

Norplex-Micarta (Postville, Iowa) has introduced Micro ID convolute tubing materials for use as extra-fine bearings in the electrical market and insulation and support components in the liquefied natural gas (LNG) market. Inside diameters range from 0.094 inch to 0.187 inch (2.4 mm to 4.7 mm); outside diameters r

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Norplex-Micarta (Postville, Iowa) has introduced Micro ID convolute tubing materials for use as extra-fine bearings in the electrical market and insulation and support components in the liquefied natural gas (LNG) market. Inside diameters range from 0.094 inch to 0.187 inch (2.4 mm to 4.7 mm); outside diameters range from 0.156 inch to 0.500 inch (3.9 mm to 12.7 mm). Lengths range from 18 inches to 24 inches (457 mm to 610 mm) with paper, cotton or glass fabric substrates. Phenolic paper grades, such as the RT629 and RT630, are used in electrical, heavy industrial, and general-purpose applications for extra-fine bearings. The RTB320X grade, composed of an extra-fine-weave linen cloth and phenolic resin, is designed for applications that require mechanical strength and low abrasion, such as ball bearing retainers for high-speed, small-diameter rotary equipment. A glass-fabric grade, such as the RT500X, uses an extra-fine-weave glass reinforcement with an epoxy resin system for cryogenic insulation and support components for LNG storage containers.