RECOMMENDED FOR: Rock dusting applications in underground coal mines where limestone dust (or other inert rock-derived dusting agent) is sprayed in order to isolate exposed coal surfaces from potential heat or ignition sources. TEMPERATURE: -40°F to +180°F (-40°C to +82°C). CONSTRUCTION: Tube: Type D (Natural Rubber). Black. Reinforcement: Synthetic, high tensile textile with steel wire […]