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. Lightweight and flexible for easy handling.

TEMPERATURE: –40°F to +180°F (–40°C to +82°C).

CONSTRUCTION: Tube: Type D (Natural Rubber). Black. Static–conductive.

Reinforcement: Multiple plies, synthetic textile, dual steel wire helix.

Cover: Type C2 (Modified Nitrile). Black with yellow stripe.

Design Factor: 4:1

COUPLINGS: 1, 6, 7, 21, 49 or 78. Reference the Hose Coupling Section.

STANDARDS: Cover: Meets MSHA Flame–resistant