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High solids content silicone resin offering excellent film-forming capability and thermal stability.
Low viscosity liquid formulation enabling easy handling, dilution, and compatibility with organic solvents.
Provides outstanding water repellency and weather resistance when cured on mineral substrates.
Reactive silanol groups enable covalent bonding to silica, concrete, and other inorganic surfaces.
Non-yellowing and UV-stable—maintains clarity and performance under prolonged outdoor exposure.
Water-repellent impregnation for concrete, brick, and natural stone façades.
Hydrophobic additive in mineral-based plasters and renders.
Binders for high-performance, breathable facade coatings.
Surface treatment agent for precast concrete elements and architectural cladding.
Key ingredient in silicate paints and hybrid mineral-silicone coating systems.
| Chemical Type | Methylphenyl silicone resin (hydrolyzed, solvent-borne) |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Colorless to pale yellow, transparent solution |
| Solvent | Xylene / aromatic hydrocarbon mixture |
| Solids Content | Approx. 85 wt.% |
| Viscosity (25°C) | 100–300 mPa·s (Brookfield, spindle #3, 60 rpm) |
| Density (20°C) | 0.94–0.97 g/cm³ |
| Flash Point (PMCC) | Approx. 45°C |
Q1: What is the primary function of SILRES MP 85 L in coating and ink formulations?
A: SILRES MP 85 L 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 MP 85 L compatible with common solvent-based and high-solids resin systems?
A: Yes—it demonstrates broad compatibility with acrylics, polyurethanes, alkyds, and melamine-formaldehyde resins in solvent-borne systems. Compatibility in water-based systems may require evaluation with specific emulsifiers or co-solvents, as its hydrophobic nature necessitates careful formulation design.
Q3: How does SILRES MP 85 L differ from reactive silicone additives or silicone oils?
A: Unlike silicone oils or reactive silanes, SILRES MP 85 L is a non-volatile, thermally stable silicone resin with low surface energy and no reactive functional groups. It provides persistent surface effects without crosslinking into the binder matrix, offering easier dosage control and reduced risk of intercoat adhesion issues.
Q4: What are typical handling and storage recommendations for this product?
A: Store in tightly sealed original containers at temperatures between 5 °C and 30 °C, away from direct sunlight and moisture. Avoid freezing. Due to its low volatility, it poses minimal inhalation risk under normal handling conditions, but standard industrial hygiene practices—including adequate ventilation and avoidance of prolonged skin contact—are recommended.
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