... molding compound, unsaturated polymer with fiber glass; Good electrical resistance, heat resistance,fire resistance SM Series SM Insulating ... compound, unsaturated polymer with fiber glass(BMC, DMC),Good electrical resistance, heat resistance, fire resistance, low shrinkage and ... 1M81410001520SM-6060Φ344613Fig. 1M101512002035SM-7676Φ355015.5Fig. 1M102015002540 Bus Bar Insulator