Page 121 - 2018_IMC
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REFRIGERATION





               [F] DEGREES   OF HAZARD a  —  —  —  —  —  —  —  —  —  —  —  —  2-0-0 b  —  2-0-0 b  2-0-0 b  —  2-0-0 b  2-0-0 b  2-0-0 b  2-0-0 b







                 OEL e  580  850  890  930  960  900  890  830  880  520  530  780  1,000  1,000  1,000  1,000  1,000  1,000  1,000  1,000  1,000
              AMOUNT OF REFRIGERANT PER OCCUPIED SPACE



                 g/m 3  3.1  81  69  67  39  42  390  370  320  81  81  440  120  210  330  —  450  520  220  200  390




                 ppm  1,700  21,000  23,000  16,000  16,000  16,000  110,000  100,000  72,000  18,000  18,000  100,000  30,000  54,000  73,000  —  140,000  130,000  55,000  52,000  75,000


                Pounds per 1,000   cubic feet  0.19  5.1  4.3  4.2  2.5  2.6  24  23  20  5.3  5.3  27  7.6  13  21  —  28  32  14  13  24







          TABLE 1103.1—continued REFRIGERANT CLASSIFICATION, AMOUNT AND OEL  REFRIGERANT   CLASSIFICATION  A3  A2 f  A2 f  A2 f  A2 f  A2 f  A1  A1  A1  A2 f  A2 f  A1  A1  A1  A1  —  —  A1  A1  A1  A1  (continued)













                CHEMICAL NAME OF BLEND  R-1270/290/600a (55.0/40.0/5.0) R-32/152a/1234ze(E) (12.0/5.0/83.0) R-32/152a/1234ze(E) (41.5/10.0/48.5) R-744/134a/1234ze(E) (6.0/9.0/85.0) R-32/1234ze(E)/600 (68.0/29.0/3.0) R-32/125/1234ze(E) (68.0/3.5/28.5) R-32/125/1234yf/134a/1234ze(E)  (26.0/26.0/20.0/21.0/7.0) R-32/125/1234yf/134a (24.3/24.7/25.3/25.7) R-134a/1234ze(E) (42.0/58.0) R-1234yf/134a (89.8/10.2) R-1234yf/134a (88.8/11.2) R-32/125/1234yf (11.0/59.0/30.0)  R-12/152a (73.8/26.2)


















                FORMULA  zeotrope  zeotrope  zeotrope  zeotrope  zeotrope  zoetrope  zeotrope  zeotrope  zeotrope  zeotrope  zeotrope  zeotrope  azeotrope  azeotrope  azeotrope  azeotrope  azeotrope  azeotrope  azeotrope  azeotrope  azeotrope




               CHEMICAL   REFRIGERANT  R-443A  R-444A  R-444B  R-445A  R-446A  R-447A  R-448A  R-449A  R-450A  R-451A  R-451B  R-452A  R-500 e  R-501 d  R-502 e  R-503 e  R-504 d  R-507A  R-508A  R-508B  R-509A







         104                                                                 2018 INTERNATIONAL MECHANICAL CODE 
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