Mafuta ya msingi ya Ester kwa compressors za friji
Mafuta ya msingi ya Ester kwa compressors za friji
Neopenyl saturated polyols ni mafuta ya msingi ambayo huyeyuka na friji ya HFC.
Wao ni mzuri kwa ajili ya kutumia katika kukubaliana, gyro-aina na rolling compressors friji ya R-134A, R-407C na R-410A.
Ina utulivu bora wa joto, utulivu wa hidrolisisi, kiwango cha chini cha uvukizi na tabia ya chini sana ya coke, nk.
Miundo tofauti ya miundo inakidhi mahitaji ya mchanganyiko unaofaa wa friji mbalimbali.
Thamani ya asidi (mgKOH/g)≤ | Mnato 40℃ (mm2/s) | Mnato 100℃ (mm2/s) | Kielezo cha mnato | Kiwango cha kumweka (℃) | Hatua ya kumwaga (℃) | Rangi (APHA) | Unyevu (ppm)≤ | Msongamano 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 |
Mafuta ya msingi kwa friji za HCFC
Bidhaa zilizo kwenye jedwali lifuatalo zinafaa kwa friji za HCFC.
Bidhaa zina index bora ya mnato na lubricity bora inaweza kuboresha ufanisi wa nishati.
Uwezo mzuri wa kubadilika kwa halijoto ya chini na tete ya chini hupendekeza kwa compressor za screw na feeders.
Thamani ya asidi (mgKOH/g)≤ | Mnato 40℃ (mm2/s) | Mnato 100℃ (mm2/s) | Kielezo cha mnato | Kiwango cha kumweka (℃) | Hatua ya kumwaga (℃) | Rangi (APHA) | Msongamano 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 |