High pressure hose for refrigerant

摘要

A high pressure hose for refrigerant made up of an internal resin tube; an inner rubber layer, which is applied to an outer circumference thereof; a first reinforcing layer comprising a first splicing yarn, which is spirally wound around an outer circumference thereof; a second reinforcing layer comprising a second splicing yarn, which is spirally wound in the opposite direction to the first reinforcing layer around an outer circumference thereof; and, an outer rubber layer, which is applied to an outer circumference thereof, the inner rubber layer comprising rubber material whose 50% modulus M50 at a temperature of 135 DEG C. is 20 to 40 kgf/cm2.