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High thermal stability with continuous service temperature up to 200 °C.
Excellent weather resistance and UV stability for long-term outdoor performance.
Good compatibility with organic resins and inorganic fillers, enabling hybrid formulation design.
Low surface energy and inherent hydrophobicity for water repellency and anti-soiling effects.
Solvent-based liquid form facilitating easy integration into coating, impregnation, and binder systems.
Heat-resistant coatings for industrial exhaust systems and furnace components.
Weatherproofing additives for mineral-based façade renders and plasters.
Water-repellent impregnation for concrete, natural stone, and masonry substrates.
Binders for high-temperature insulation materials and ceramic fiber composites.
Functional component in silicone-modified alkyd and acrylic hybrid topcoats.
| Chemical Type | Methyl-phenyl silicone resin |
| Product Form | Liquid (solvent-based) |
| Appearance | Clear to slightly yellowish, low-viscosity liquid |
| Solvent | Xylene / aromatic hydrocarbon mixture |
| Non-Volatile Content | Approx. 60 wt% (at 150 °C, 60 min) |
| Density (20 °C) | Approx. 0.94–0.97 g/cm³ |
| Flash Point (PMCC) | Approx. 35–40 °C |
| Storage Stability | At least 12 months in original sealed container at 5–30 °C |
Q1: What is the primary function of SILRES REN 60 in coating and ink formulations?
A: SILRES REN 60 is a methyl-phenyl silicone resin designed to enhance surface properties—particularly slip, mar resistance, and substrate wetting—while maintaining compatibility with organic polymer systems. It functions as a surface modifier that migrates to the film-air interface during drying or curing.
Q2: Is SILRES REN 60 compatible with water-based systems?
A: Yes, SILRES REN 60 can be incorporated into water-based coatings and inks, typically via pre-dispersion using high-shear mixing or with the aid of suitable co-solvents and surfactants. Performance and stability depend on formulation pH, ionic strength, and the presence of other hydrophobic components.
Q3: How does SILRES REN 60 differ from standard silicone oils or polydimethylsiloxanes (PDMS)?
A: Unlike linear PDMS fluids, SILRES REN 60 is a branched, highly crosslinked methyl-phenyl silicone resin with higher thermal stability and greater film-forming capability. Its phenyl content improves compatibility with aromatic resins and enhances UV resistance compared to purely methyl-based silicones.
Q4: What are typical dosage levels for optimal performance?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight relative to total solids. Lower concentrations often suffice for surface effects, while higher levels may be used where enhanced durability or multi-functional performance is required—always subject to compatibility and clarity testing.
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