Inventors:
Grant L. Stimson - Davison MI
Assignee:
General Motors Corporation - Detroit MI
International Classification:
H01J 744
Abstract:
A metal-glass seal resistor composition for use between a terminal member and an electrode member in a resistor spark plug containing by weight of 24 to 33 percent glass, 18 to 25 percent mullite, 36 to 49 percent zirconia, 0. 5 to 1. 6 percent carbon black, 0 to 2. 0 percent bentonite, 0. 3 to 0. 8 percent sucrose, 0. 8 to 1. 2 percent lithium carbonate, 0. 5 to 1. 3 percent antimony and 0. 5 to 1. 3 percent silicon.