English
Español
tiếng việt
русский
Non-ionic, stable silicone emulsion offering excellent compatibility with water-based systems.
Provides superior lubricity and surface slip without compromising adhesion of downstream coatings.
Low foam formulation designed for high-shear processing and industrial coating lines.
Enhances substrate wetting and leveling in aqueous formulations containing pigments or fillers.
Free of APEOs (alkylphenol ethoxylates) and compliant with major global regulatory frameworks for industrial use.
Textile finishing agents for softness, smoothness, and anti-static performance.
Water-based inks and flexographic printing formulations to improve ink transfer and substrate release.
Industrial metalworking fluids for enhanced lubricity and corrosion inhibition.
Paper and board coatings to improve surface gloss, fold resistance, and runnability on converting equipment.
Personal care emulsions requiring mild, non-irritating silicone conditioning benefits.
| Chemical Type | Dimethicone-based silicone emulsion |
| Product Form | Opaque white liquid emulsion |
| Appearance | Uniform, milky-white, low-viscosity liquid |
| pH (1% aqueous solution) | 6.0–7.5 |
| Solids Content (wt%) | 30 ± 1% |
| Density (25°C) | Approx. 0.98–1.02 g/cm³ |
| Storage Stability | 12 months unopened at 5–30°C; avoid freezing |
| Primary Applications | Textile, paper, ink, metalworking, and personal care formulations |
Q1: What is the primary function of Dow Corning 502W in industrial formulations?
A: Dow Corning 502W is a stable, anionic silicone emulsion designed to provide surface lubricity, softening, and water repellency in aqueous-based systems. It is commonly used to enhance feel, reduce friction, and improve processability in coatings, textile treatments, paper finishes, and personal care products.
Q2: Is Dow Corning 502W compatible with cationic or highly acidic systems?
A: Due to its anionic nature, Dow Corning 502W may experience instability—such as coagulation or phase separation—when directly mixed with strongly cationic additives or low-pH (< pH 4) formulations. Compatibility testing under actual use conditions is recommended before full-scale integration.
Q3: How should Dow Corning 502W be incorporated into a formulation to ensure optimal performance?
A: For best results, add Dow Corning 502W during the final stage of mixing under gentle agitation. Avoid high-shear homogenization unless validated, as excessive shear may destabilize the emulsion. Pre-dilution with water or a compatible solvent can aid uniform dispersion, especially in viscous systems.
Q4: Can Dow Corning 502W be used in applications requiring FDA compliance for indirect food contact?
A: Dow Corning 502W is not specifically marketed or certified for food-contact applications. While certain silicone emulsions may meet relevant regulatory expectations when appropriately formulated and processed, users must independently verify suitability and compliance with applicable local regulations and intended end-use requirements.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
