FIELD: machine building.
SUBSTANCE: pipe assembly containing an electroconductive corrugated pipe including coils of peaks and cavities, an electroconductive polymer cover located throughout the length of the above corrugated pipe; at that, polymer cover includes a fire-resistant substance and has a volumetric specific resistance that equals approximately to 7×104 Ohm·cm, minimum tensile strength that equals approximately to 10.3 MPa, and minimum elongation that equals approximately to 200%.
EFFECT: creation of a cover having fire-resistant properties.
6 cl, 1 dwg
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