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High-purity silicone flake resin with controlled particle size distribution for consistent dispersion.
Excellent thermal stability, maintaining integrity up to 250 °C in inert atmospheres.
Low surface energy and inherent hydrophobicity, enabling effective moisture barrier performance.
Compatible with common organic solvents (e.g., xylene, toluene, MEK) for easy integration into coating and ink formulations.
Non-reactive under ambient conditions—no curing required; functions as a functional additive or rheology modifier.
High-performance industrial coatings requiring scratch resistance and surface slip.
Heat-resistant paints and varnishes for exhaust systems, stoves, and furnace components.
Specialty inks for flexible packaging where barrier enhancement and printability are critical.
Thermal management composites in electronics encapsulation and potting applications.
Functional additives in high-solids architectural coatings to improve film uniformity and dirt pickup resistance.
| Chemical Type | Organomodified silicone flake resin |
| Product Form | Free-flowing dry flakes |
| Appearance | Off-white to light tan powder |
| Primary Applications | Functional additive in coatings, inks, and thermal composites |
| Key Features | Thermal stability, hydrophobicity, solvent dispersibility |
| Benefits | Enhanced surface durability, improved moisture barrier, reduced coefficient of friction |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What is the primary function of DOWSIL RSN-0217 in coating and ink formulations?
A: DOWSIL RSN-0217 is a silicone flake resin designed to enhance surface slip, improve scratch resistance, and provide controlled matting without significantly affecting transparency or color development. It functions as a functional additive that modifies film surface properties through physical orientation and micro-roughness formation upon drying.
Q2: How is DOWSIL RSN-0217 typically incorporated into formulations?
A: It is generally added during the let-down or post-addition stage under moderate shear, often dispersed using standard high-speed dispersers or bead mills. Pre-dispersion in compatible solvents or resins may be recommended for optimal flake distribution, especially in low-solvent or high-viscosity systems.
Q3: Is DOWSIL RSN-0217 compatible with common industrial resin systems?
A: Yes — it demonstrates good compatibility with acrylics, polyurethanes, alkyds, and epoxy-based binders. Compatibility should be verified empirically in the final formulation, as performance may vary depending on solvent polarity, cure chemistry, and film thickness.
Q4: Does DOWSIL RSN-0217 require thermal curing to develop its full functionality?
A: No — its surface-modifying effects are realized upon solvent evaporation and film formation at ambient conditions. However, thermal treatment may further stabilize flake orientation in certain thermosetting systems, and performance optimization should consider the overall cure profile.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
