Rubber Sheathed Flexible Mine Cables
1. Standards

GB 12792-1991(Rubber sheathed flexible mine cables). Flame retardant type cables carry out standard MT818-1999(Flame retardant mine cables). Its flame retardant performance test carry out MT 386-1995. When ordering the old type cables with flame retardant or non-fire-propagating cables. MT386or flame retardantmust be noted.

2. Characteristics

Long term permissible working temperature is 65oC.

3. Performance

Insulated resistance constant of finished products ki(at 20oC): The coefficient are not less than 734M??; Except electrical driller cables, must be conformed to GB/T3956-1997 the stipulation of 5th kind flexible copper conductors.