Uninhibited Transformer Oil UNH-T1 1L

Description

Greyhound Lubricants Transformer Oil 1L UNH-T1 | Uninhibited Insulating Oil (PCB Free)
Greyhound Transformer Oil 1L UNH-T1 is a high-purity uninhibited transformer oil formulated with premium virgin base oils to provide excellent dielectric strength, efficient thermal conductivity, and clean, additive-free performance. Designed for power and distribution transformers, rectifiers, circuit breakers, and switchgear, it offers reliable insulation and cooling under demanding conditions.
Manufactured and sourced from ISO-certified European and global plants, Greyhound Transformer Oil UNH-T1 meets IEC 60296:2020 (Uninhibited) standards. With no oxidation inhibitors, it is ideal for applications requiring full compliance with uninhibited oil specifications, especially in regulated installations or tender-driven environments.
Key Features
Dielectric strength of 73 kV for insulation and breakdown protection
Virgin base oils with zero oxidation inhibitors for spec compliance
Excellent thermal conductivity for heat dissipation
Low pour point of -41°C for cold-start reliability
Non-corrosive formulation compliant with IEC 62535
Moisture content of 9 ppm to reduce electrical discharge risk
Oil Quality Index (OQIN) of 4400 for purity and stability
Compliance & Standards
IEC 60296:2020 (Uninhibited) – Transformer oil classification
IEC 60156 – Dielectric strength testing
IEC 62535 – Non-corrosive to copper and metal parts
Applications
Power and distribution transformers
Rectifiers and circuit breakers
Switchgear and electrical insulation systems
Tenders and utility use (e.g., Eskom transformers)
Specifications
Property Units Test Methods Typical Data
Kinematic Viscosity @ 40°C cSt ISO 3104 9.3
Density @ 20°C Kg/m³ ISO 12185 0.884
Flash Point (COC) °C ISO 2719 145
Pour Point °C ISO 3016 -41
Breakdown Voltage (Before Treatment) kV IEC 60156 73
Dissipation Factor (DDF) @ 90°C – IEC 60247 <0.001 Interfacial Tension mN/m ASTM D971 44 Total Acid Number (TAN) mg KOH/g IEC 62021 0.01 Antioxidant/Inhibitor Content Wt % IEC 60666 0.00 Aromatic Content % IEC 60590 12 PCB Content – IEC 61619 0 (untraceable) Water Content on Delivery ppm IEC 60814 9 Oil Quality Index (OQIN) – – 4400 What’s in the Box: Greyhound Uninhibited Transformer Oil UNH-T1 1L. Bulk sizes also available: 210L drums and 1000L IBCs from head office.