Medium Oils
PR-7500 / PR-7510
PR-7500
Resin Composition
| Fatty Acid Type | Soya Fatty Acid |
| Phthalic Anhydride | 27% |
| Oil Content | 48% |
Specification
| Solid Content | 55% ± 2% |
| Viscosity (25°C) | 6000-9000 Cp |
| Color Gardner | Max 3.5 |
| Acid Value (Solid) | Max 14 |
Solubility
| Xylene | Complete |
| White Spirit | Complete |
| M.E.K | Complete |
| Acetone | Complete |
Characteristics
Medium Oil Alkyd resin based on soya fatty acid.
Properties and Use
Good drying, very good body, good color. Gloss retention and exterior durability.
Recommended for:
Auto-repair enamels.
Enamels for tractors and agricultural equipment.
Air- drying industrial enamels.
Form of Supply
55% in White Spirit
PR-7510
Resin Composition
| Fatty Acid | 46% |
| Phthalic Anhydride | 35% |
Specification
| Solid Content | 50% ± 2% |
| Viscosity (25°C) | 17000-24000 Cp |
| Color Gardner | Max 3.5 |
| Acid Value (Solid) | Max 10 |
Solubility
| Xylene | Complete |
| Toluene | Complete |
| M.E.K | Complete |
| Acetone | Complete |
Characteristics
Medium Oil, Air drying Alkyd Resin.
Type of oil: Soya Fatty Acid.
Good drying properties, good durability.
Properties and Use
Recommended For:
1) Air drying industrial primers and finishes.
2) Structural steel paints.
3) Stoving primers.
4) Stoving finishes.
Form of Supply
50% in white spirit
Persia Resin medium oil alkyd resins are developed to match the performance requirements of conventional medium oil alkyd binders used in industrial coatings, primers, and general-purpose enamel systems.
Their oil length provides a balanced combination of film hardness, adhesion, and drying behavior suitable for both decorative and light industrial applications.
Compared to long oil alkyds, these resins exhibit faster surface drying, improved hardness development, and better resistance to mechanical wear, while still maintaining sufficient flexibility to minimize cracking under normal service conditions. In contrast to short oil alkyds or heavily modified systems, Persia Resin medium oil alkyds emphasize processing stability, predictable curing, and formulation versatility rather than extreme hardness or chemical resistance.
Overall, these resins conform to standard market benchmarks for medium oil alkyds, offering a well-balanced binder solution for coatings that require durability, good surface finish, and controlled air-drying performance.