Electrical Tapes 400 Series – Production grade – Production grade; 10 mil flame retardant, glass cloth; offers maximum resistance to chemicals and solvents; silicone adhesive. General purpose vinyl tape for mechanical, electrical applications and primary insulation for splices of not more than 600 volts. Meets Specs: UL 510; MIL-I-19166C, Type 10; MIL-T-4053B. – Carolina Tape –