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High thermal stability up to 250 °C continuous service temperature.
Excellent electrical insulation properties with low dielectric loss.
Good compatibility with organic resins and pigments for hybrid formulations.
Solvent-based (xylene/toluene blend), ready-to-use liquid resin with controlled viscosity.
Forms hard, glossy, abrasion-resistant films upon curing.
Heat-resistant coatings for industrial exhaust systems and engine components.
Electrical insulation varnishes for motors, transformers, and coil windings.
Binders in high-performance ceramic and metal pigment dispersions.
Base resin for hybrid silicone-organic topcoats in architectural and industrial maintenance.
| Chemical Type | Methyl-phenyl silicone resin |
| Product Form | Liquid solution |
| Appearance | Clear, colorless to pale yellow liquid |
| Solvent System | Xylene/toluene mixture |
| Non-Volatile Content | Approx. 60 wt% |
| Viscosity (25 °C, DIN 53015) | 150–250 mPa·s |
| Specific Gravity (20 °C) | 0.94–0.97 g/cm³ |
| Flash Point (PMCC) | Approx. 35 °C |
Q1: What is the primary function of SILRES HP 2001 in coating formulations?
A: SILRES HP 2001 functions primarily as a hydrophobizing and surface-modifying additive. It enhances water repellency, improves resistance to dirt pickup, and contributes to long-term durability—especially in mineral-based coatings such as silicate, cementitious, and lime plasters.
Q2: Is SILRES HP 2001 compatible with water-based systems?
A: Yes, SILRES HP 2001 is supplied as an aqueous dispersion and is specifically designed for easy incorporation into water-based mineral coating systems without requiring organic solvents or emulsifiers.
Q3: How does SILRES HP 2001 differ from standard silicone oils or methyl-terminated PDMS?
A: Unlike linear silicone oils, SILRES HP 2001 is a branched, partially condensed silicone resin with reactive silanol groups. This structure enables covalent integration into inorganic binder networks—providing permanent hydrophobization rather than temporary surface migration or leaching.
Q4: Can SILRES HP 2001 be used in interior applications?
A: Yes, it is suitable for both interior and exterior mineral substrates. Its inorganic compatibility and low VOC profile support use in indoor environments where breathability and substrate neutrality are required—such as historic restoration or eco-certified building materials.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
