Water-Based Silicone Emulsions: Coatings & Insulation

Name: MESIL® Water-Based Silicone Fluid Emulsions
Brand: MESIL®
Availability: InStock

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.