Voltesso 35 – 18.9 L, Electrical Insulating Oil, Di-électric. oil, Transformer, Motor Pump

This insulating oil is formulated from high-quality base stocks and additives to provide excellent low-temperature fluidity, oxidation resistance, and dielectric performance, helping to cool and insulate electrical equipment such as transformers, load tap changers, switches, and circuit breakers in cold environments.

KEY FEATURES

• Product Type: Electrical insulating oil

• Volume: 18.9 L

• Low‑temperature fluidity: Excellent

• Insulating properties: Good dielectric performance

• Copper corrosion control: Effective

• CSA Specification: CSA C50‑08 Class A, Type I

• Viscosity @ –40 °C: 1800 cSt

• Viscosity @ 0 °C: 42 cSt

• Viscosity @ 40 °C: 7.6 cSt

• Viscosity @ 100 °C: 2.10 cSt

• Density @ 15 °C: 0.876 kg/dm³

• Flash point (COC): 145 °C

• Pour point: –46 °C

• Dielectric breakdown @ 60 Hz: ≥ 30 kV

• Dielectric breakdown @ 2.03 mm: ≥ 35 kV

• Impulse breakdown voltage: ≥ 145 kV

• Gassing tendency: ≤ 30 µL/min

• Water content: 35 ppm

• Neutralization number (max): 0.02 mg KOH/g

• Oxidation sludge (uninhibited, 164 h @ 110 °C): ≤ 0.2 % weight

• TAN (uninhibited, 164 h @ 110 °C): ≤ 0.5 mg KOH/g

• Oxidation sludge (inhibited, 164 h @ 110 °C): ≤ 0.05 % weight

• TAN (inhibited, 164 h @ 110 °C): ≤ 0.2 mg KOH/g

• Interfacial tension: ≥ 42 dynes/cm

• Power factor @ 25 °C: ≤ 0.05 %

• Power factor @ 100 °C: ≤ 0.5 %