Introduction of AN5H Alkylated Naphthalenes
Alkylnaphthalene base oil is an API Class V base oil with excellent thermal oxidation stability, suitable for blending lubricants under extreme conditions.

Features of AN5H Alkylated Naphthalenes
- Excellent thermal oxidation stability
- Excellent additive solubility
- High flash point, low evaporation loss
- Good demulsification performance
- Excellent hydrolysis stability
- Good compatibility with sealing materials

Specifications of AN5H Alkylated Naphthalenes
Model | AN5H | AN15 | AN30 |
Appearance | Clear and Transparent | Clear and Transparent | Yellow Bright & Clear |
Flash Point (COC), ºC | >210 | >248 | >300 |
Kinematic Viscosity (40ºC), mm2/s | Report | 140-160 | 280-310 |
Kinematic Viscosity (100ºC), mm2/s | <5.1 | 14.5-16.5 | 28-31 |
Viscosity Index | >70 | Report | Report |
Density (20 ºC), g/cm³ | Report | Report | Report |
Color | <1.5 | <3 | <2 |
Pour Point, ºC | <-33 | <-30 | <-12 |
Acid Value, mgKOH/g | <0.05 | <0.1 | <0.1 |
Water Content, ppm | <50 | / | / |
Br value, gBr/100g | <1 | / | / |

Package, Handle & Storage of AN5H Alkylated Naphthalenes
The product is packed with an iron drum, with a net weight of 175kgs/drum, or 875kg/IBC-Tank, suitable for all means of transport.
