fumed silica applications

In today's rapidly developing field of materials science, fumed silica (fumed silica), as a high-performance nanomaterial, is gradually becoming a ‘star product’ in the rubber, coatings, electronics, pharmaceutical and other industries. Advantages of Fumed Silicon Dioxide Products of Gesee 1.Excellent dispersibility   Through the unique surface treatment technology, Gesee's fumed silica shows excellent dispersibility in all kinds of substrates, which can effectively improve the mechanical properties and stability of composite materials. 2.High purity The purity of the product is up to 99.9% and the specific surface area is up to 200-400 m²/g. This high purity and high specific surface area makes it excellent in rubber reinforcing, coating thickening and electronic material filling. 3.Customised Solutions In response to the needs of different industries, Gesee New Materials provides customised fumed silica products, including different particle sizes and functionalised products, to meet the diverse needs of customers. Application areas of fumed silica 1. Rubber industry As a reinforcing agent in rubber products, fumed silica can significantly improve the abrasion resistance, tear resistance and mechanical strength of rubber, which is widely used in tyres, seals, hoses and other products. 2. Coatings and Inks   Fumed silica is used as thickener and anti-settling agent in coatings and printing ink, which can improve the rheological properties and stability of the products, and at the same time enhance the weather resistance and gloss of the coating. 3. Electronic materials In the field of electronic packaging materials and semiconductors, fumed silica is used as a filler, which can effectively improve the insulating property, thermal conductivity and mechanical strength of the materials, and meet the needs of high-performance electronic components. 4. Medicine and food   Fumed silica is used as a drug carrier in pharmaceuticals to improve the solubility and bioavailability of drugs; in the food industry, it is widely used in the production of powdered food as an anti-caking agent and flow aid.   Zhengzhou Gesee new materials always take technological innovation as the core and customer demand as the guidance, and is committed to providing high-performance, green and environmentally friendly fumed silica products for customers around the world.

The quest for high-performance coatings demands additives that deliver tangible improvements in the final dried film. While many components contribute during application, fumed silica stands out for its profound impact on the crucial dry film properties. Today, we spotlight GESEESIL A-200 from Zhengzhou GESEE New Materials, a premier hydrophilic fumed silica engineered to elevate your coatings.   Why Fumed Silica? The Science Behind the Performance   Produced via flame hydrolysis of silicon tetrachloride, fumed silica like GESEE®SIL A-200 consists of ultra-fine, amorphous silicon dioxide particles. Its power lies in: Extremely High Surface Area: Creating a vast network for interaction. Nanoscale Particle Size: Allowing integration without compromising clarity. Abundant Surface Silanol Groups: Enabling strong hydrogen bonding. GESEESIL A-200: Transforming Your Dry Film   Here’s how A-200 specifically enhances key dry film characteristics: Enhanced Reinforcement & Durability: 1.Mechanical Strength: A-200 particles act as nano-reinforcements within the polymer matrix. This network significantly improves scratch resistance, hardness, and abrasion resistance, extending the coating's lifespan against wear and tear. 2.Toughness: By efficiently distributing stress, A-200 helps prevent crack propagation, improving the coating's impact resistance and overall toughness.   Superior Anti-Settling & Stability (Indirect Dry Film Benefit): While primarily affecting the liquid state, A-200's superb thickening and anti-settling properties ensure uniform distribution of pigments and fillers during storage and application. This translates directly to a more uniform, consistent dry film with reliable color, opacity, and performance characteristics across the entire surface. No settling means no weak spots. Optimized Rheology for Film Formation: A-200's ability to impart strong thixotropy prevents sagging on vertical surfaces and ensures excellent edge coverage during application. This controlled flow leads to a more uniform film build and minimizes defects, directly contributing to a higher quality, more protective dry film. Improved Weathering Resistance: The reinforcing effect of A-200 helps maintain film integrity under environmental stress. It can contribute to reduced chalking, better resistance to cracking from UV exposure and thermal cycling, and enhanced overall weatherability and gloss retention. Potential for Enhanced Barrier Properties: The fine particles of A-200 can help fill micro-voids within the coating film, potentially creating a more tortuous path for corrosive elements (like water vapor or salts) or oxygen to penetrate. This can improve the corrosion resistance of protective coatings, especially primers. Why Choose GESEESIL A-200?   Proven Performance: Engineered specifically to enhance key coating properties. High Purity & Consistency: Ensures reliable results batch after batch. Hydrophilic Nature: Offers excellent compatibility in a wide range of water-based and solvent-based coating systems. Optical Clarity: Maintains transparency in clear coats where required. Experience the GESEESIL A-200 Difference   Don't compromise on the final quality and performance of your coatings. GESEESIL A-200 fumed silica is a powerful tool to achieve tougher, more durable, and longer-lasting dried films. Ready to elevate your coatings' dry film performance? Visit Zhengzhou GESEE New Materials online today to learn more about GESEESIL A-200 and our full range of performance additives:www.geseesiltech.com Discover how our innovative solutions can drive your coatings forward.