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This is a comparison chart for estimating degree of contamination in electronic grade copper. Type A (Cross Grain); Type B (Within Grain); Type C (Grain Boundaries)
NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
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This is a comparison chart for estimating degree of contamination in electronic grade copper. Type A (Cross Grain); Type B (Within Grain); Type C (Grain Boundaries)