Ester tushe mai na refrigerating compressors
Ester tushe mai na refrigerating compressors
Neopentyl cikakken polyols sune tushen mai waɗanda ke narkewa tare da HFC mai sanyi.
Sun dace da yin amfani da su a cikin juzu'i, nau'in gyro-nau'i da na'ura mai jujjuyawa na refrigeration na R-134A, R-407C da R-410A.
Yana da kyau kwarai thermal kwanciyar hankali, hydrolysis kwanciyar hankali, low evaporation kudi da sosai low coke hali, da dai sauransu.
Daban-daban ƙirar ƙira sun cika buƙatun daidaitattun miscibility na refrigerants daban-daban.
| darajar acid (mgKOH/g)≤ | Danko 40 ℃ (mm2/s) | Danko 100 ℃ (mm2/s) | Indexididdigar danko | Wurin walƙiya (℃) | Zuba batu (℃) | Launi (APHA) | Danshi (ppm)≤ | Yawan yawa 15℃ (g/cm3) | |
| POE-7 | 0.02 | 7.7 | 2.1 | 60 | 175 | -65 | 10 | 50 | 0.923 |
| POE-22-A | 0.02 | 22 | 4.2 | 88 | 200 | -50 | 10 | 50 | 0.950 |
| POE-32-A | 0.02 | 32 | 5.2 | 88 | 215 | -48 | 10 | 50 | 0.945 |
| POE-46-A | 0.02 | 46 | 6.6 | 89 | 235 | -45 | 10 | 50 | 0.950 |
| POE-68-C | 0.02 | 68 | 8.2 | 90 | 255 | -41 | 10 | 50 | 0.958 |
| POE-100A | 0.02 | 94 | 10.3 | 90 | 260 | -32 | 20 | 50 | 0.956 |
| POE-170-A | 0.02 | 170 | 15.5 | 90 | 270 | -28 | 30 | 50 | 0.964 |
| POE-220-A | 0.02 | 220 | 18.5 | 93 | 300 | -26 | 30 | 50 | 0.970 |
| POE-380 | 0.02 | 380 | 26 | 90 | 310 | -18 | 40 | 50 | 0.963 |
| POE-68-SHR | 0.05 | 70.5 | 9.9 | 120 | 270 | -40 | 60 | 50 | 1.01 |
| POE-170-SHR | 0.05 | 170 | 16.6 | 104 | 290 | -27 | 60 | 50 | 0.986 |
| POE-320-SHR | 0.05 | 320 | 24.65 | 98 | 290 | -20 | 60 | 50 | 0.970 |
| POE-32-X | 0.05 | 32 | 5.6 | 108 | 230 | -47 | 20 | 50 | 0.984 |
| POE-68-X | 0.05 | 66.1 | 8.5 | 95 | 260 | -40 | 20 | 50 | 0.963 |
| POE-120-X | 0.05 | 120 | 12.2 | 92 | 270 | -37 | 20 | 50 | 0.968 |
| POE-170-X | 0.05 | 174 | 15.5 | 91 | 280 | -30 | 20 | 50 | 0.967 |
| POE-220-X | 0.05 | 222 | 18.2 | 90 | 280 | -27 | 30 | 50 | 0.965 |
Tushen mai na HCFC refrigerant
Samfuran da ke cikin tebur mai zuwa sun dace da masu sanyaya HCFC.
Samfuran suna da ingantacciyar ma'anar danko kuma ingantaccen mai na iya haɓaka ƙarfin kuzari.
Kyakkyawan ƙwaƙƙwarar ƙarancin zafin jiki da ƙarancin rashin ƙarfi suna ba da shawarar don dunƙule compressors da feeders.
| darajar acid (mgKOH/g)≤ | Danko 40 ℃ (mm2/s) | Danko 100 ℃ (mm2/s) | Indexididdigar danko | Wurin walƙiya (℃) | Zuba batu (℃) | Launi (APHA) | Yawan yawa 15℃ (g/cm3) | |
| POE-85 | 0.05 | 85 | 13.7 | 150 | 270 | -40 | 150 | 0.985 |
| POE-150 | 0.05 | 150 | 19.9 | 150 | 270 | -40 | 150 | 1.0 |
| POE-320 | 0.1 | 320 | 34.2 | 150 | 280 | -38 | 100 | 1.010 |
