Technical Reference > Glass Yarn Nomenclature
Glass Yarn Nomenclature
US Glass System - Example: ECG 150 3/2 3.0S
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 The example above, identifies the following yarn: E = electrical glass C = continuous filament G = average filament diameter of 0.00037"(9 Micron) 150 = 15,000 yards/lb. nominal bare glass in basic strand. 3/2 = two plies of 3-strand construction (total 6 basic strands) 3.0S = the number of turns per inch in the twist of the final yarn in the S direction |
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