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High-Performance Silicone Resin (Heat-Resistant & Film-Forming Polymer)
Silicone resin is a siloxane polymer built for extreme thermal stability, electrical insulation, and weather protection in industrial coatings and adhesives.
MOQ: 200 KG (Small orders accepted for lab testing).
Sample Policy: Free sample (500ml–1L); buyer pays shipping (refunded on bulk order).
Lead Time: Ships in 3–5 days (Stock); 10–15 days for custom production.
Packaging: 20kg pails, 200kg steel drums, or 1000L IBCs.
Compliance & Docs: REACH, RoHS, FDA compliant; TDS, SDS, and COA shipped with every batch.
Extreme Heat. Severe Weather. Zero Failure.
Engineered for the most demanding industrial environments, our premium silicone resin series provides the structural backbone for high-temperature coatings, high-voltage electrical insulations, and advanced pressure-sensitive adhesives (PSAs). Boasting an incredibly stable siloxane bond (Si-O), these resins withstand continuous operating temperatures up to 250°C (and up to 600°C when formulated with aluminum pigments), block moisture, and offer unmatched dielectric strength.
Whether you are formulating aerospace coatings, industrial exhaust paints, or premium cosmetic film-formers, our silicone resins deliver the durability your formulations require.
Need a silicone resin built for extreme conditions? Contact us to discuss the right solution for your formulation.
Core Features & Value Propositions
Extreme Thermal Stability
Will not yellow, chalk, or degrade under extreme heat. Sustains 250°C continuously, and resists up to 600°C in specialized high-heat paint formulations.
Outstanding Dielectric Properties
Acts as a superior electrical insulator, preventing arcing and current leakage in high-voltage motors, transformers, and PCB potting.
Weather & UV Resistance
Completely inert to ultraviolet degradation and ozone. Ensures outdoor industrial coatings maintain their gloss and color for decades.
Hydrophobic & Chemical Resistant
Naturally repels water and resists weak acids, alkalis, and salts, preventing under-film corrosion on metal substrates.
Technical Identity & Compliance
| Property | Value / Description |
| Product Name | Silicone Resin |
| Chemical Name | Polysiloxane Resin (Available in Methyl, Phenyl, and MQ structures) |
| Synonyms | Silicone Binder, High-Temp Resin, Silicone Varnish, Film-Forming Resin, Siloxane Polymer |
| CAS No | 68037-90-1 (Methyl Phenyl Silicone Resin) / 68988-56-7 (MQ Resin) |
| HS Code | 3910000000 (Silicones in primary forms) |
| Certifications | REACH Compliant, RoHS, FDA 21 CFR 175.300 (For specific food-contact cookware grades), VOC-Compliant (Solid/Solventless options available) |
| Appearance | Pale Yellow to Colorless Clear Liquid / White Powder (Solid MQ) |
| Solid Content | 50% – 60% (Solvent-based) or 100% (Solid Flake/Powder) |
| Solvent Type | Xylene, Toluene, or Solvent-Free options |
| Viscosity (at 25°C) | 20 – 500 cps (Varies by specific grade) |
| Drying Time (Surface) | 15 – 30 minutes @ 25°C |
| Complete Curing | Baking required (e.g., 200°C for 1 hour) for full cross-linking |
| Heat Resistance | Up to 600°C (When blended with heat-resistant fillers) |
| Packaging | 20KG / 25KG Iron Pails, 200KG Iron Drums, 1000L IBC Totes |
| Storage | Store in a cool, dry, well-ventilated fireproof warehouse (below 30°C). Keep containers tightly sealed. Moisture exposure can cause premature gelation or cloudiness. Shelf Life: 6 – 12 Months (Depending on the specific solvent and resin grade). |
| Safety Information | Solvent-based grades are Flammable Liquids (Class 3). Keep away from sparks, open flames, and heat sources. Ensure proper factory ventilation to prevent solvent vapor buildup. (MSDS provided for exact UN shipping codes) |
Applications by Industry
APPLICATION 01
Methyl / Phenyl Silicone Resins
For heat resistance and insulation. Methyl resin brings hardness and water repellency; phenyl resin brings higher thermal stability, flexibility and compatibility. Blends balance both properties in premium high-temperature systems.
Industrial coatings
Binders for BBQ grill paint, exhaust pipe coatings and boiler anti-corrosion paint.
Electrical insulation
Impregnating varnish for electric motors, transformer insulation and mica tape binders.
Cookware coatings
Specified food-grade systems can be used as a binder base for non-stick ceramic cookware coatings.
APPLICATION 02
MQ Silicone Resins
For tack and film formation. MQ resin is a solid, highly durable structure used when the formulation needs transfer resistance, water washability, adhesion and performance at elevated temperatures.
High-temperature PSA
Core tackifier for silicone pressure-sensitive adhesive systems, including high-temperature masking tape.
Personal care film formers
Water-resistant film-forming support for long-wear lipstick and sunscreen formulations.
Industrial defoamers
Supports industrial silicone defoamer systems requiring durable, controlled formulation performance.
Buying Guide: Pain Points & Solutions
Pain Point: “My high-temperature paint is too brittle and flakes off when the metal expands.”
Pain Point: “The resin isn’t drying fast enough on the assembly line.”
Comparison: Silicone Resin vs. Standard Polymers
| Feature | Our Silicone Resin | Epoxy Resin | Polyurethane (PU) |
| Continuous Heat Limit | 250°C – 600°C | 120°C – 150°C (Yellows/Burns) | 100°C – 130°C (Melts) |
| UV Resistance | ★★★★★ (No chalking) | ★ (Chalks and yellows quickly) | ★★★ (Degrades over time) |
| Flexibility | Rigid (Needs modification) | Very Rigid | Highly Flexible |
| Cost Profile | Premium | Low/Moderate | Moderate |
| Best For | Extreme Heat & Voltage | General Bonding/Flooring | Wood/Flexible Coatings |
Customer Case Study
Client: An Automotive OEM Coating Supplier in Germany.
The Pain Point: Their standard modified-epoxy paint for motorcycle exhaust pipes was blistering, peeling, and turning brown when engine temperatures spiked above 400°C. They faced massive recalls.
The Solution: Transitioned their formulation to our High-Phenyl Silicone Resin, blended with aluminum flake pigments.
The Outcome:
The high phenyl content provided unmatched thermo-oxidative stability.
The coating maintained a pristine silver finish even during 600°C thermal shock tests (heating to 600°C and immediately quenching in cold water).
The supplier secured a 5-year exclusive contract with a major European motorcycle brand.
FAQ – Troubleshooting
A: Generally, no. Pure high-temperature silicone resins are thermoplastic at room temperature and require baking (usually above 200°C) to initiate the condensation reaction and fully cross-link into a hard film. If you need a room-temperature cure, you must use our Alkyd or Epoxy-Modified Silicone Resins, or add specialized curing agents.
A: Methyl Silicone Resins offer extreme hardness, excellent water repellency, and cure faster, making them great for rigid electrical insulation. Phenyl Silicone Resins offer vastly superior heat resistance, better flexibility, and greater compatibility with organic pigments and solvents. Most premium high-temp coatings use a Methyl-Phenyl blend to get the best of both worlds.
A: For high-temperature masking tapes (like Kapton/Polyimide tapes), you should specifically request our MQ Silicone Resin. When MQ resin is blended with silicone gums, it creates a Pressure-Sensitive Adhesive (PSA) that maintains extreme tackiness even at 260°C.
A: Cloudiness in solvent-based silicone resin is almost always caused by moisture contamination. If the drum was left open in a humid environment, the water reacts with the silanol groups, causing premature condensation. Always seal drums immediately and purge with dry nitrogen if storing partially used drums for long periods.
A: We manufacture specific Food-Grade Methyl-Phenyl Resins that comply with FDA 21 CFR 175.300 standards for resinous and polymeric coatings. These are widely used as the base binder for non-stick ceramic coatings on frying pans and bakeware. Please specify “Food-Grade” when requesting a quote.
Get Started Today
We specialize in engineered polymer solutions for global manufacturers and brands. As a vertically integrated facility, we offer everything from raw Liquid Silicone Rubber (LSR) to high-performance Silicone Inks, Plastisol Ink, and Organic Silicone Leathers. Simply provide your substrate details, performance standards, or printing challenges, and our lab will handle the rest—from custom formulation to stable bulk production.
We offer highly competitive factory-direct pricing (MOQ 100 kg for custom formulations) and secure global supply chains. Our materials are trusted across diverse applications, including high-stretch sportswear, seamless intimates, automotive interiors, and industrial molding.
Don’t see exactly what you need in our standard catalog? Let’s innovate together. Share your exact technical requirements below, and our R&D team will develop a tailored chemical formula designed perfectly for your production line.
· Custom Color Matching & Formula Development Available
· Sample Testing Support
· Sample Lead Time: 3–7 Days
· Bulk Lead Time: 2–4 Weeks































