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C22.2 NO. 198.1-06
Extruded Insulating Tubing (Bi-National standard, with UL 224)
This Standard specifies the requirements for insulating tubing that is usually round in cross-section and that consists entirely of extruded compounds whose characteristic constituents are thermosetting, elastomeric, or thermoplastic polymers (see Table 1 for materials and ratings). These requirements also cover heat-shrinkable and crosslinked tubing. A product for use at temperatures greater than indicated in Table 1 or a different polymer may be acceptable provided that (a) it meets the performance tests in this Standard for a polymer that is similar; and (b) long-term heat-aging tests are conducted as covered in UL 746B or C22.2 No. 0.17, using elongation as the primary property.
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