How are safety ratings for zeotropic refrigerants different than for compounds?
A) Zeotropic refrigerants use the same rating system as all other refrigerants.
B) They follow the normal letter and number rating with the letter Z for zeotropic.
C) They precede the normal letter and number with the letter Z for zeotropic.
D) They list a rating for the refrigerant as manufactured flowed by a slash and a rating for the worst case fractionation.
D
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