Category overview

Silicones

Based on 2072 products - Last update on the Jun 26, 2025

Silicones can appear as clear liquids, viscous pastes, or powders. Their functionality is highly varied, including acting as defoamers, flow and leveling agents, slip additives, and weather-resistant binders. Key features depend on the specific silicone, but often include excellent surface tension reduction, good heat resistance, superior water repellency, and UV stability. They are highly suitable for a wide array of coatings, from architectural and automotive to industrial and marine, where they can improve application properties, enhance durability, or provide specific surface effects like scratch resistance or easy-to-clean surfaces. 

A trend in silicones for coatings is the development of reactive silicones that can be integrated into the polymer backbone for enhanced durability and persistent effects, as well as the use of bio-based silicones where feasible. Sub-types are extensive, including polydimethylsiloxanes (PDMS), silicone resins, silicone acrylates, and silicone polyethers, each tailored for different applications and effects.

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SIOResin® 521

by Guangzhou SIO New Material

SIOResin® 521 by Guangzhou SIO New Material is a high-performance nano silicone resin. It is non-toxic, harmless, waterproof and oil-repellent. It contains special nano silicone resin, anti-graffiti additives and environmentally friendly mixed solvents. It offers excellent UV resistance and self-cleaning properties (similar to how dust on leaves is naturally washed away by rain).<br> <ul style="padding-left: 40px;"><li> It features superior chemical resistance, acid- and alkali-resistance, anti-aging properties, oil-proof capabilities, anti-graffiti protection and long service life.</li><li> It enhances the surface with antibacterial, mildew-resistant, moisture-proof, stain-resistant and waterproof while also increasing hardness and gloss.</li><li> It offers excellent stain resistance, exhibiting strong hydrophobicity (water contact angle ~110°) and oleophobicity (oil contact angle ~30°), ensuring anti-fouling and easy cleaning.</li><li> It is durable and wear-resistant, forming a transparent protective film on surfaces with a pencil hardness of ≥9H and an adhesion rating of 0. </li><li>It is composed of pure silicone, providing anti-aging, non-yellowing and weather-resistant properties, withstands boiling water, 300°C high temperatures, polar organic solvents (alcohol, PMA, thinner), vinegar, red wine, and cola.</li><li> It maintains high transparency with additional anti-fingerprint properties.</li><li> It enables easy application through a single-component, moisture-curing system with moderate viscosity and a balanced curing speed.</li><li> It is environmentally safe, characterized by low odor, non-toxicity and non-flammability.</li><li> It is suitable for use on inert and hard-to-bond organic and inorganic surfaces, including thermoplastic plastics, advertising topcoats, powder coatings, gloss coatings, GRC, stone, wood, metal and painted surfaces. </li><li> It easily removes ink marks from pens, allowing for repeated cleaning without surface damage.</li><li> It restores and refurbishes aged coatings, eliminates swirl marks and renews old surfaces to a like-new condition.</li><li> SIOResin® 521 has a shelf life of 6 months.</li></ul>
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TEGO® Foamex 8051

by Evonik

TEGO® Foamex 8051 by Evonik is highly efficient and effective defoamer concentrate based on polyether siloxane technology. It is very suitable for pigmented and highly viscous formulations and is an outstanding grind defoamer due to its persistence after long times under high shear.<br><ul style="padding-left: 40px;"><li>It shows strong defoaming effect, very good foam break down effect and combination of strong defoaming and good shear stability.</li><li>It is ideal for the grinding phase and provides long-term, persistent defoaming effect in formulations.</li><li>TEGO® Foamex 8051 is recommended for waterborne systems, decorative coatings, architectural paints, pigment concentrates and printing inks.</li><li>Recommended dosage level is 0.05-0.5% on total formulation.</li> <li>TEGO® Foamex 8051 has a shelf life of 36 months from the date of manufacture.</li></ul>
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ELASTOSIL® N 2076

by Wacker

ELASTOSIL® N 2076 by Wacker is a flowable, one-part RTV-1 silicone rubber. It is electrically insulating, UV and weathering-resistant and suitable for a service temperature range of -50°C to +180°C. When exposed to air moisture it cures at room temperature to yield a permanently flexible silicone rubber with good heat resistance and excellent flame retardant properties.<br> <ul style="padding-left: 40px;"><li> It can be continuously exposed to varying climatic conditions, sunlight, and temperatures up to 180°C (356°F) without any damage.</li> <li> It exhibits a medium viscosity level and produces alcohol as a by-product of curing.</li> <li> It possesses medium hardness and a high limiting oxygen index (LOI). </li> <li> ELASTOSIL® N 2076 is specifically designed for the protective coating of electrical coils.</li> <li>It meets the requirements of DIN EN 45545-2 for Hazard Level HL1 and HL2 (as per requirement set R22), and for Hazard Level HL1, HL2 and HL3 (as per requirement set R23 and R24), respectively.</li></ul>
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Silicones