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Water-based, ready-to-use silicone elastomer blend offering excellent film-forming capability and soft-touch feel.
Provides superior hydrophobicity and moisture barrier properties without compromising breathability.
Compatible with common waterborne resins and pigments, enabling easy integration into existing formulation systems.
Delivers outstanding thermal stability and UV resistance for long-term performance in demanding environments.
Low VOC content and APEO-free formulation supporting sustainable manufacturing and regulatory compliance (e.g., EU Ecolabel, USDA BioPreferred).
High-performance textile finishes for sportswear, outdoor apparel, and technical fabrics requiring durable water repellency.
Leather surface treatment to enhance softness, stain resistance, and tactile quality in automotive and furniture upholstery.
Functional coatings for paper and board packaging to improve grease resistance and surface durability.
Additive in personal care emulsions for leave-on skin and hair products seeking sensorial enhancement and conditioning benefits.
Component in architectural coatings for façade protection where breathability and weather resistance are critical.
| Chemical Type | Dimethicone-based silicone elastomer blend |
| Product Form | Aqueous emulsion |
| Appearance | Opaque white to off-white liquid |
| pH (1% aqueous solution) | 5.5 – 7.0 |
| Solids Content | 30.0 ± 1.5 wt% |
| Viscosity (Brookfield RV, 25°C, Spindle #3, 20 rpm) | 1,500 – 4,000 cP |
| Freeze-Thaw Stability | Stable after three cycles (-10°C for 16 h / 25°C for 8 h) |
| Primary Applications | Textile finishing, leather treatment, paper coating, personal care, architectural coatings |
Q1: What is the primary function of DOWSIL 7-3101 in cosmetic and personal care formulations?
A: DOWSIL 7-3101 is a silicone elastomer blend emulsion designed to deliver soft-focus visual effects, improved skin feel, and enhanced powder suspension in leave-on and rinse-off products—such as foundations, primers, moisturizers, and sunscreens—without compromising stability or sensory performance.
Q2: Is DOWSIL 7-3101 compatible with high-electrolyte or low-pH systems?
A: It exhibits good compatibility in mildly acidic to neutral aqueous systems but may require stabilization or formulation adjustment in highly electrolytic, strongly acidic (pH < 4), or strongly alkaline (pH > 10) environments. Compatibility testing under intended use conditions is recommended.
Q3: How should DOWSIL 7-3101 be incorporated into a formulation?
A: It is typically added during the cool-down phase (below 45°C) of aqueous-based systems using gentle mixing to avoid excessive shear or air entrapment. Pre-dilution with water or co-solvent may aid uniform dispersion, especially in low-viscosity batches.
Q4: Does DOWSIL 7-3101 require preservatives in final formulations?
A: Yes—like most water-based emulsions, DOWSIL 7-3101 contains water and is susceptible to microbial growth. A suitable broad-spectrum preservative system appropriate for the full formulation matrix must be included and validated.
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