Shanghai Semitech New Material Co., Ltd.
1628 Lijing Road, Lingang New Area, 200000, Shanghai, China.
Mobile:
+8615639100440
Email:
info@semitechnm.com
Water-Based Silicone Emulsions: Formulations for Coatings & Insulation
Bottom Line Up Front: MESIL® Water-Based Silicone Emulsions are non-ionic, solvent-free active polydimethylsiloxane (PDMS) dispersions with ~50% non-volatile content. They deliver an absolute "water beading effect" and high water vapor permeability, engineered specifically for architectural coatings and mineral wool insulation.
Ensure superior formulation compatibility without compromising environmental standards. Our emulsions are highly water-dilutable and optimized for industrial-scale waterproofing.
[Image: Microscopic view of water beading effect on substrate]
Engineering Specifications Matrix
How do you match the right emulsion to your chemical matrix? We have streamlined our MESIL® portfolio into two distinct property sets. Note: BS 6340E and BS 6042E share identical physical parameters, offering supply chain flexibility for paint formulators.
| Test Parameters | MESIL® BS 6150E (Insulation Grade) | MESIL® BS 6340E / 6042E (Coatings Grade) |
|---|---|---|
| Core Characteristic | Ultra-low viscosity for deep penetration. | Solvent-free, superior water beading effect. |
| Appearance | Milky White | Milky White Liquid |
| Non-Volatile Content | Approx. 50% | Approx. 50% |
| Viscosity (25°C) | Approx. 150 mPa·s | Optimized for paint formulations |
| pH Value | Neutral | Approx. 6.5 |
| Emulsifier System | Non-ionic | Non-ionic |
Industrial Application Fields & Dosing Guidelines
What specific problems do these silicone fluid emulsions solve in the field? By breaking down the applications, formulators can directly map our products to their manufacturing lines.
1. Insulation & Expanded Minerals
Utilizing MESIL® BS 6150E to grant exceptional hydrophobicity to porous thermal barriers.
- Mineral Wools (Glass Wool / Rock Wool)
- Compatible with phenol resin binders. Formulation guideline: Dose 0.1~0.3 wt% for glass wool; 0.05~0.2 wt% for rock wool.
- Expanded Minerals
- Effectively coats expanded perlite, vermiculite, and clay aggregates to block water ingress while maintaining core insulation properties.
2. Architectural Coatings & Paints
Utilizing MESIL® BS 6340E & BS 6042E to protect building exteriors from moisture degradation.
- Waterproof Coatings & Plasters
- Imparts a durable water beading effect on the surface. Allows the building envelope to "breathe" due to excellent water vapor permeability.
- Water-Based Paints
- Demonstrates high anti-blocking properties and processing stability. Formulation guideline: Recommended dosage is 1~3 wt% of the total formulation.
Packaging, Logistics & Shelf Life
B2B procurement requires reliable delivery. Our silicone emulsions are engineered for stability during global transit.
- Industrial Packaging Options
- Available in 200L plastic drums or 1000L IBC totes, designed to prevent contamination and ease bulk unloading at your facility.
- Storage Stability
- Store in original unopened containers between 5°C and 30°C. Protect from freezing and direct sunlight to maintain the non-ionic emulsion structure.
- Lead Time
- Standard industrial lead times apply. Typical EXW prep time is 7-14 days upon order confirmation (subject to regional shipping schedules).
Formulation FAQs: Expert Engineering Support
Why choose a non-ionic emulsifier for water-based silicone emulsions?
Engineering Answer: Non-ionic emulsifiers do not carry an electrical charge. This provides superior chemical stability and excellent compatibility when mixed with complex water-based architectural paints or phenol resin binders, drastically reducing the risk of phase separation or coagulation during long-term storage.
How does the "water vapor permeability" work alongside the water beading effect?
Engineering Answer: The active polysiloxane forms a microscopic network that lines the pores of the substrate rather than sealing them completely. The surface tension repels large liquid water droplets (beading effect), while the open micro-pores allow gaseous water vapor to escape. This prevents internal moisture buildup and structural rot.
Can MESIL BS 6150E be diluted with water before application on glass wool?
Engineering Answer: Yes. It is highly water-dilutable. Due to its low viscosity (~150 mPa·s), it easily mixes with water and binder solutions. Ensure thorough stirring during dilution to maintain an even dispersion before spraying onto the mineral wool substrate.