Are you looking for a high-performance material that can withstand extreme temperatures, resist harsh weather conditions, and offer unmatched flexibility? Our Modified silicone resin might be the solution you’ve been searching for. Combining the best properties of silicone and other organic resins, it opens up a world of possibilities for applications across industries.

Here, we’ll explore why the modified resins stands out and how it can enhance your next project. Keep reading to discover the unique benefits of this versatile material.
What Is Modified Silicone Resin?
Modified silicone resin is an advanced material engineered to improve or enhance the physical properties of traditional silicone resins through modification techniques. By blending silicone resin with other organic resins, this hybrid material capitalizes on the benefits of both, overcoming the limitations of single-component systems. As a result, modified silicone resins are lightweight, strong, highly adaptable, and easy to shape, making them suitable for a broad range of industrial applications. With the addition of small quantities of modifying agents, the performance of these resins can be significantly improved, making them a top choice for high-performance applications.

Key Features
Thermal Stability
Modified silicone resins exhibit excellent thermal stability, maintaining stable performance under high temperatures, with high thermal decomposition points and low thermal expansion coefficients.
Weather Resistance
These resins offer strong weather resistance, capable of enduring long-term exposure to UV rays, moisture, and oxidation while maintaining stable performance.
Electrical Performance
Modified silicone resins have excellent electrical properties, such as high insulation resistance and low dielectric loss, making them widely used in electronics and electrical fields.
Adhesion
They can form strong adhesion with various materials, facilitating the bonding between coatings and substrates, thus improving the adhesion and durability of the coating.
Flexibility
Through proper modification, modified silicone resins can achieve good flexibility, allowing them to adapt to complex substrate surfaces while forming a uniform and consistent coating.
How Is Modified Silicone Resin Produced?
- Free Radical Polymerization: Using a free radical initiator to carry out polymerization reactions in silicone monomers, modified silicone resins can be synthesized. This method is simple and widely applicable, but the reaction conditions are intense, requiring strict control.
- Ionic Polymerization: By utilizing an ionic initiator for polymerization reactions within silicone monomers, the resins are produced under mild conditions. The process is easy to control but complex and requires high-quality equipment.
- Polycondensation Reaction: In this method, silicone monomers react with other compounds containing active groups to produce the resins. Though simple and widely applicable, the reaction requires strict control of conditions.

Types of Modified Silicone Resins
Modified silicone resins come in various types, each providing specific enhancements tailored to different industrial needs. Below are some common types of the resins:
- Amino-Modified Silicone Resin
- Features: Enhanced adhesion and improved compatibility with organic materials.
- Applications: Widely used in coatings and adhesives, where increased adhesion is required.
- Epoxy-Modified Silicone Resin
- Features: Improved heat resistance, mechanical strength, and electrical insulation properties.
- Applications: Frequently used in electronic materials and high-performance coatings.
- Acrylic-Modified Silicone Resin
- Features: Enhanced weather resistance, corrosion resistance, and gloss retention.
- Applications: Ideal for building and industrial coatings, especially for outdoor use.
- Polyurethane-Modified Silicone Resin
- Features: Combines flexibility with wear resistance, providing enhanced elasticity and durability.
- Applications: Commonly used in flexible coatings, industrial coatings, and waterproofing materials.
- Fluorine-Modified Resin
- Features: Superior chemical resistance, weather resistance, and self-cleaning properties.
- Applications: Used in high-end automotive and architectural coatings requiring anti-fouling and self-cleaning properties.
- Polyester-Modified Silicone Resin
- Features: Improved mechanical strength, hardness, and wear resistance, while maintaining excellent weather and chemical resistance.
- Applications: Primarily used in metal protection coatings, high-temperature resistant coatings, and electrical insulation.
High-Quality Silicone Resins from SiOResin
At SiOResin, we specialize in the research and production of a wide range of modified silicone resin products, tailored to meet diverse industry needs. Our products are designed to deliver exceptional quality while maintaining competitive pricing. Whether you require enhanced durability, weather resistance, or flexibility, SiOResin offers solutions that combine superior performance with cost-effectiveness.



Epoxy-Modified Silicone Resin | SiOResin ® SIO-2130H
Our SiO-2130H is an epoxy-modified silicone resin that offers outstanding resistance to both high and low temperatures, along with excellent hydrophobic and moisture-resistant properties. Its superior electrical insulation and arc corona resistance make it an ideal choice for demanding applications. Additionally, this resin provides exceptional weatherability, chemical stability, and corrosion resistance.
Widely used as a high-temperature anti-corrosion coating (≥500°C), SiO-2130H cures fully at room temperature as part of a two-component system, with enhanced performance when baked. It is also well-suited for use as an H-class insulation coating, making it versatile for various industrial applications.
Silicone Modified Polyester Resin | SiOResin ® SIO-G320
Sio-G320 is a high-performance, solvent-based silicone modified polyester resin designed for exceptional resistance to high temperatures. This advanced resin can endure temperatures as high as 350℃ when exposed to direct flame for up to 2 hours, making it ideal for use in demanding environments.
In addition to its impressive heat resistance, our Sio-G320 offers excellent adhesion to a variety of surfaces and superior solvent resistance. These properties make it particularly suitable for coating stoves, small appliances, burners, and other exterior areas that require both heat resilience and long-lasting durability. Its versatile formulation ensures reliable performance across a range of high-temperature applications.
Silicon-Modified Polyurethane Acrylate | SiOResin ® UV-5064
Our UV-5064 is a hexafunctional, silicon-modified polyurethane acrylate oligomer, pre-diluted with 22% hexanediol diacrylate (HDDA). It cures quickly under UV or electron beam (EB) radiation, forming a coating with excellent high-temperature resistance, outdoor durability, low surface energy, and yellowing resistance. UV-5064 is light in color, has low viscosity, and is ideal for use in UV/EB cured formulations.
This product is suitable for lithographic, screen, and gravure printing, as well as roll and curtain coating processes. It’s recommended for wood and plastic coatings requiring strong outdoor weatherability, as well as release paper coatings.

About SIOResin (SIO New Material)
SIOResin is a leading company in China specializing in the development and production of new materials. We manufacture and supply high-quality water-based silicone resins, silicone-modified polyesters, water-based polyurethanes, water-based acrylics, UV resins, liquid silicone rubber, intumescent fireproof coatings, flame retardants, wetting agents, curing agents, associative thickeners, driers, soft-touch agents, and other additives. Our products have a wide range of applications and with competitive prices.
Free samples are available upon request. Please feel free to contact us at any time.
Best luck!