1. Firimu rependi rakasimba, rine kuramba kubatwa zvakanaka uye kunamira, kuchinjika, kuramba kubatwa uye kuramba kukweshwa;
2. Kudzivirira mafuta zvakanaka, kuramba ngura uye electrostatic conductivity yakanaka.
3. Haina ngura, mafuta, mvura, acid, alkali, munyu nezvimwe zvinhu zvemakemikari. Inodzivirira kwenguva refu mafuta asina kucheneswa nemvura yetangi pa60-80℃;
4. Firimu rependi rine mukana wakanaka wekudzivirira kupinda kwemvura, mafuta asina kucheneswa, mafuta akacheneswa nezvimwe zvinoparadza;
5. Kushanda zvakanaka kwazvo pakuomesa.
Yakakodzera matangi emafuta ekufambisa nendege, peturu, dhiziri nezvimwe zvigadzirwa uye matangi emafuta engarava nematangi emafuta mumafuta asina kucheneswa, nzvimbo dzinocheneswa mafuta, nhandare dzendege, makambani emafuta, makambani echiteshi chengarava nedzimwe nzvimbo.
Kuvhara kunodzivirira ngura kwemarori ematangi nemapaipi emafuta. Kunogona kushandiswawo mune mamwe maindasitiri uko kunodiwa kudzivirira ngura.
| Chinhu | Zvakajairika |
| Nyora mumudziyo | Mushure mekusanganisa, hapana mapundu anobuda, uye mamiriro acho akafanana |
| Ruvara uye chitarisiko chependi | Mavara ese, firimu rependi rakatsetseka uye rakatsetseka |
| Viscosity (Stormer Viscometer), KU | 85-120 |
| Nguva Yekuoma, 25℃ | Kuomesa pamusoro kwemaawa maviri, kuomesa zvakasimba ≤maawa makumi maviri nemana, kwapora zvakakwana kwemazuva manomwe |
| Poindi yekupenya, ℃ | 60 |
| Ukobvu hwefirimu rakaoma, um | ≤1 |
| Kunamira (nzira yekucheka-cheka), giredhi | 4-60 |
| Simba remadonhwe, kg/cm | ≥50 |
| Kuchinjika, mm | 1.0 |
| Kudzivirira alkal, (20% NaOH) | 240h hapana matumbu, hapana kudonha, hapana ngura |
| Kuramba acid, (20% H2SO4) | 240h hapana matumbu, hapana kudonha, hapana ngura |
| Inodzivirira mvura ine munyu, (3% NaCl) | 240h pasina furo, kudonha, uye ngura |
| Kudzivirira kupisa, (120℃)72h | firimu rependi rakanaka |
| Kuramba mafuta nemvura, (52℃) 90d | firimu rependi rakanaka |
| Kudzivirira pamusoro pefirimu rependi, Ω | 108-1012 |
Muyero wepamusoro: HG T 4340-2012
Kupfapfaidza: kupfapfaidza pasina mhepo kana kupfapfaidza nemhepo. Kupfapfaidza pasina mhepo ine simba rakawanda kunokurudzirwa.
Kukwesha/kumonera: Zvinokurudzirwa munzvimbo diki, asi zvinofanirwa kusvika pakukora kwakatarwa kwefirimu rakaoma.
Bvisa guruva, mafuta nezvimwe tsvina pamusoro pechinhu chakafukidzwa kuti uve nechokwadi chekuti chakachena, chakaoma uye hachina kusvibiswa. Pamusoro pesimbi pane jecha kana kuti pane ngura.
Giredhi, Giredhi reSa2.5 kana Giredhi reSt3 zvinokurudzirwa.
1. Chigadzirwa ichi chinofanira kuvharwa uye kuchengetwa munzvimbo inotonhorera, yakaoma, ine mhepo inofefetera, kure nemoto, isingapindi mvura, isingadonhe mvura, tembiricha yakakwira, uye isina zuva.
2. Kana zviri pamusoro apa zvikazadzikiswa, nguva yekuchengetedza imwedzi gumi nemiviri kubva pazuva rekugadzirwa, uye inogona kushandiswa mushure mekupasa bvunzo pasina kukanganisa kushanda kwayo;
3. Dzivisai kuroverana, zuva nemvura panguva yekuchengetera nekutakura.