APPLICATION: Meets AS2660 class B for air & water transfer in underground coal mines.   TUBE: Black Smooth NR/SBR blend with oil mist resistance.  REINFORCEMENT: High tensile polyester braid. COVER: Black wrapped finish SBR blend with resistance to weather & abrasion. TEMPERATURE: -40°c to +75°c. COILS: 20mt & 60mt coils.  BRANDING: SUNFLEX AWF300 AIR/WATER DELIVERY FRAS AS2660.Â