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Beranda› Produk› Lubricant Additives› PMA Viscosity Index Improver
Pelumas

PMA Viscosity Index Improver

Polymethacrylate (PMA) viscosity index improver untuk hydraulic oil, gear oil otomotif, automatic transmission fluid, dan pelumas arctic-grade. Produk ini menggabungkan VI tinggi, shear stability yang unggul, dan performa suhu rendah yang luar biasa.

Viscosity IndexPMAShear StabilityHydraulic OilATFGear OilArctic Grade
Kimia
Polymethacrylate (PMA)
Parameter Utama
KV @100°C, PSSI / SSI
Aplikasi
Hydraulic Oils, Gear Oils, ATF
Rentang
Standard hingga Arctic Grade

Ikhtisar

Polymethacrylate (PMA) viscosity index improver adalah aditif coil-polymer yang mengurangi laju perubahan viskositas terhadap suhu, sehingga pelumas multi-grade dapat bekerja pada rentang suhu yang luas. Pada suhu rendah, polimer yang menggulung menempati volume minimal. Pada suhu tinggi, polimer mengembang dan meningkatkan viskositas efektif base oil, sehingga menaikkan VI. PMA sangat dihargai karena performa suhu rendahnya yang unggul (MRV dan Brookfield viscosity) dibandingkan VII tipe OCP. Karena itu, PMA menjadi pilihan utama untuk hydraulic fluid, gear oil otomotif, ATF, dan pelumas arctic-grade. Shear stability (PSSI atau SSI) adalah parameter pemilihan yang krusial. Grade dengan shear stability tinggi dibutuhkan untuk gear oil otomotif dan ATF, sementara grade PSSI lebih rendah digunakan ketika efisiensi thickening menjadi prioritas utama.

Grade Hydraulic Oil

KimiaKV @100°C (mm²/s)PSSI / SSI
PMA Viscosity Index Improver (Hydraulic, Standard)1100–1850SSI: 38 (KRL 20h)
PMA Viscosity Index Improver (Hydraulic)698PSSI: 38 (KRL 20h)
PMA Viscosity Index Improver (Hydraulic)800SSI: 38 (KRL 20h)
PMA Viscosity Index Improver (Hydraulic, High VI)1450PSSI: 65 (KRL 20h)

Grade Arctic / Iklim Dingin

KimiaKV @100°C (mm²/s)PSSI / SSI
PMA Viscosity Index Improver (Arctic)1500PSSI: 25 (KRL 20h)
PMA Viscosity Index Improver (Arctic)1300PSSI: 35 (KRL 20h)
PMA Viscosity Index Improver (Arctic, Very Cold)850PSSI: 50 (KRL 20h)
PMA Viscosity Index Improver (Arctic, Very Cold)770PSSI: 65 (KRL 20h)

Grade Gear Oil Otomotif

KimiaKV @100°C (mm²/s)PSSI / SSI
PMA Viscosity Index Improver (Gear Oil, High Shear Stability)460SSI: 22 (KRL 20h)
PMA Viscosity Index Improver (Gear Oil)700SSI: 29 (KRL 20h)
PMA Viscosity Index Improver (Gear Oil, Cost-effective)775PSSI: 40 (KRL 20h)

Grade ATF / Driveline

KimiaKV @100°C (mm²/s)PSSI / SSI
PMA Viscosity Index Improver (ATF)575PSSI: 10 (KRL 20h)
PMA Viscosity Index Improver (ATF, Dispersant Type)700PSSI: 35 (KRL 20h)
PMA Viscosity Index Improver (ATF, High Shear Stability)700PSSI: 42 (KRL 20h)
PMA Viscosity Index Improver (Multi-grade Engine Oil)1250PSSI: 12 (Bosch 30 cycles)

Produk Terkait

PMA Pour Point Depressant →ZDDP →High-temp Anti-oxidant →