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High-solids, solvent-based silicone resin dispersion with excellent storage stability.
Delivers outstanding water repellency and breathability on mineral substrates.
Enables formulation of low-VOC, high-performance protective coatings for façades and masonry.
Exhibits excellent compatibility with acrylic, silicate, and siloxane-based binder systems.
Provides enhanced resistance to UV radiation, alkali, and weathering without yellowing.
Water-repellent impregnation for concrete, brick, and natural stone façades.
Key additive in mineral-based renders and plasters for exterior insulation systems (ETICS).
Performance enhancer in silicate paints and facade coatings requiring long-term durability.
Functional ingredient in breathable, hydrophobic primers for renovation and restoration projects.
Component in high-end architectural coatings where efflorescence resistance and vapor permeability are critical.
| Chemical Type | Alkyl-modified silicone resin dispersion |
| Product Form | Liquid dispersion |
| Appearance | White to slightly opalescent liquid |
| Solvent System | Aromatic-free hydrocarbon solvents |
| Solids Content | Approx. 45–48 wt.% |
| pH (1% aqueous dilution) | 6.0–7.5 |
| Viscosity (20°C, Brookfield RVT, spindle #3, 20 rpm) | 1,500–3,500 mPa·s |
| Storage Stability (25°C) | ≥ 12 months in unopened original container |
Q1: What is the primary function of SILRES BS Creme P in coating and paint formulations?
A: SILRES BS Creme P is a water-dispersible silicone resin designed to enhance surface properties—particularly water repellency, substrate wetting, and resistance to dirt pickup—without compromising film formation or gloss. It functions as a performance additive rather than a binder, and is typically incorporated into acrylic, styrene-acrylic, or silicate-based systems.
Q2: Is SILRES BS Creme P compatible with standard architectural coating ingredients such as thickeners, dispersants, and biocides?
A: Yes, SILRES BS Creme P demonstrates good compatibility with common formulation additives, including associative and non-associative rheology modifiers, anionic and non-ionic dispersants, and typical isothiazolinone- or benzisothiazole-based preservatives. Compatibility testing under actual formulation conditions is recommended to confirm stability and performance.
Q3: How should SILRES BS Creme P be incorporated into a waterborne system?
A: It is generally added during the let-down stage, after pigment grinding and before final adjustment of viscosity and pH. Due to its low viscosity and stable dispersion, it can be introduced directly without pre-dilution, though gentle mixing is advised to avoid air entrapment. Avoid high-shear addition at very low pH (<7) or in strongly alkaline media (>pH 10) to maintain long-term colloidal stability.
Q4: Does SILRES BS Creme P contribute to film hydrophobicity while maintaining breathability?
A: Yes—its silicone resin structure imparts durable water repellency at the surface without forming a continuous impermeable barrier. This allows moisture vapor transmission (MVT) to remain largely unaffected, supporting its use in breathable façade coatings and mineral plasters where condensation control is critical.
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E-mail: wangxingqiang@ericwchem.com
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