Vinyl MQ-Type Silicone Resin
Silico® Vinyl MQ-Type Silicone Resin is a high-performance vinyl-functional polymethylsiloxane with a spherical MQ structure. Ideal for coatings, PSAs, sealants, and LSR, it offers strong crosslinking, heat resistance, durability, and clarity. Available in solvent-free and solvent-based forms.
Product Overview
Technical Specifications
| Property | Typical Value |
|---|---|
| Appearance | Clear to pale yellow liquid or solid |
| Form | 50 wt% dispersion or solid powder |
| Vinyl Content | 0.1–3 wt% (customizable) |
| Carrier Solvent | Toluene, xylene, or PDMS |
| Refractive Index (25 °C) | ~1.405–1.410 |
| Light Transmittance | ≥ 98% |
| Working Temperature Range | –60 °C to +300 °C (up to 800 °C post-cure) |
| Recommended Dosage | 1–20 wt% (depending on application) |
Key Features & Benefits
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Vinyl Reactivity for Crosslinking
Vinyl groups provide reactive sites for addition curing (hydrosilylation), enabling strong crosslinked networks in RTV, HTV, and LSR systems.
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Superior Heat Resistance
Maintains stability from –60 °C to +300 °C. After full curing, films can withstand temperatures up to 800 °C with excellent integrity.
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Excellent Transparency & High Refractive Index
Achieves light transmittance ≥ 98% and refractive index ~1.405–1.41, making it ideal for LED encapsulants, optical coatings, and electronics.
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Enhanced Film Strength & Durability
Forms dense, uniform films with high hardness, tear strength, and abrasion resistance.
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Outstanding Weatherability
Resistant to UV radiation, oxidation, and humidity, extending the service life of coatings and silicone-based materials.
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Low VOC & Versatile Compatibility
Offered as a solvent-free resin or pre-dispersed in toluene, xylene, or PDMS, ensuring easy formulation and compliance with environmental regulations.
Applications of Silico® MQ Resin Dispersion
Silico® Vinyl MQ Silicone Resin is highly versatile and suitable for the following:
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High-Temperature Coatings
Used in protective and decorative coatings for metal, glass, and industrial components exposed to high heat.
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LED Encapsulation & Optical Silicone
Enhances clarity and thermal stability in LED lenses, potting compounds, and transparent gels.
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Liquid Silicone Rubber (LSR) Reinforcement
Improves mechanical strength, elasticity, and transparency in medical and industrial-grade silicone rubbers.
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Silicone Pressure-Sensitive Adhesives (PSA)
Enhances tack, cohesion, and temperature resistance in silicone-based PSA formulations.
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Sealants & Elastomers
Acts as a structural binder and reinforcement agent in high-performance silicone sealants and elastomeric systems.
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Mold Release Agents
Functions as a durable non-stick additive in mold release formulations for rubber and plastics.
Recommended Silico® Grades
| Grade / Model | Form | Vinyl Content | Carrier / Solvent | Key Features & Applications |
|---|---|---|---|---|
| Silico® VMQ-230 | Solid / 50% liquid | Medium (~1.0%) | Toluene or PDMS | General-purpose grade for PSA, LSR, coatings |
| Silico® VMQ-8101 | Liquid or powder | High (2.5–3.0%) | Silicone fluid or solvent | High reactivity; ideal for adhesives and optical use |
| Silico® VMQ-8102 | Liquid or powder | Moderate (1.5–2.0%) | Silicone oil | Balanced performance for heat-resistant sealants and coatings |
| Silico® VMQ-7H | Viscous liquid | High (~3.4%) | Solvent-free | Excellent crosslink density for LSR reinforcement |
| Silico® VMQ-6L | 50% in xylene | Low (~0.9%) | Xylene | Improves hardness, transparency, and tack in PSA |
| Silico® VMQ-PX | Liquid | Very High (~5.5%) | Neat resin | Phenyl-modified grade for optical, UV-stable formulations |
Advantages of Choosing Silico®
✔ Pre-dispersed for Ease of Use — no need for high-shear mixing or melt processing
✔ High Compatibility — works well with PDMS fluids, RTV systems, and solventborne coatings
✔ Customizable Viscosity and Solvent System — tailored to your process and curing profile
✔ Eco-Conscious — low-VOC formulation options aligned with regulatory trends
✔ Backed by Technical Expertise — full formulation support from the Silico® application team
Packaging & Storage
Packaging: Available in 25 kg pails, 200 kg drums, or customized IBC tanks.
Shelf Life: 12 months in original, unopened containers under 25 °C.
Storage: Store in cool, ventilated area away from heat sources and direct sunlight.
Why Choose Silico® Vinyl MQ Silicone Resin?
✔ Customizable Vinyl Content for targeted reactivity and formulation control
✔ Exceptional Thermal and Optical Properties for demanding industrial use
✔ Solvent-Free and Solvent-Based Options for diverse application needs
✔ Excellent Transparency and Refractive Index for LED and optical coatings
✔ Comprehensive Technical Support from Silico® silicone specialists
Jessica G.
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