FIELD: machine building.
SUBSTANCE: invention relates to the automotive industry. Impregnated and thermo-fixed cord of aramid has at least two threads and interval (intervals) between said cord threads, and it has value TASE at elongation by 2.0 % less than 2.0 cN/decitex. Interval (intervals) between cord threads makes more than 10 % and less than 80 % of diameter (D) of cord.
EFFECT: technical result is improvement of high-speed durability and elimination of subsidence when it is used as reinforcing layer of breaker in pneumatic radial tires.
8 cl, 11 dwg
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