Specialty Silica

Specialty silica is a high-performance form of silicon dioxide engineered with precise control over particle size, surface chemistry, and structure to deliver targeted functions across advanced materials applications. Unlike conventional silica, it can be tailored to be hydrophilic or hydrophobic, highly dispersible, or highly transparent. It also boasts high purity and excellent compatibility with polymers, resins, and solvents, making it widely used in rubber, coatings, inks, adhesives, and plastics. By providing both functional performance and processing advantages, specialty silica plays a critical role in enhancing product quality and enabling innovation in modern industries.

Our Products

At Alfa Chemistry, we offer a range of specialty silica products, including:

• Products: Silica Content; pH Value; BET Specific Surface Area
• Specialty Hydrophobic Silica ALOS-SS-001: ≥99.5%; 6.5-7.5; 50-70 m²/g
• Highly Dispersible Silica ALOS-SS-002: ≥98%; 6.5-6.8; 180 m²/g
• Highly Transparent Silica ALOS-SS-003: 99.5%; 7; 210 m²/g
• Alkaline Silica ALOS-SS-004: 82%; 10.5; 70 m²/g

Applications

Specialty silica is widely used across many industries because of its superior properties.

• Rubber and elastomers. In the rubber and elastomer industry, it serves as a reinforcing filler that improves tensile strength, abrasion resistance, elasticity, and heat resistance in products such as tires, seals, hoses, and rollers.
• Coatings, paints, and inks. In coatings, paints, and inks, specialty silica acts as a matting agent, thickener, and anti-settling additive, helping control gloss, improve scratch resistance, and enhance storage stability.
• Adhesives and sealants. In adhesives and sealants, it functions as a rheology modifier and reinforcement agent, providing better thixotropy, sag resistance, and bond strength.
• Plastics and polymer composites: In plastics and composites, specialty silica improves mechanical properties, dimensional stability, and transparency while also aiding in processing and dispersion.

If you don't see the exact product you need in our portfolio, we're pleased to offer fully customized solutions to match your specific requirements. Our experienced technical team will work closely with you to develop the product that fits your needs precisely. For any inquiries or assistance, please do not hesitate to contact us. We are here to serve you and ensure your satisfaction.

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