Home    Company News    White carbon black (gas-phase silica or precipitated silica) is widely used in fields such as construction, automobiles, ships, industrial anti-corrosion, and special functional coatings.

White carbon black (gas-phase silica or precipitated silica) is widely used in fields such as construction, automobiles, ships, industrial anti-corrosion, and special functional coatings.

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1、 Architectural coatings: dual guarantee of improving performance and aesthetics
Indoor paint
Enhanced Coverage and Wettability: White carbon black forms a dense coating through uniform dispersion, effectively hiding wall defects such as cracks and holes, and improving the overall coverage of the coating. Its high specific surface area can adsorb surface moisture of the substrate, improve the wetting of the coating on the wall, and reduce brushing marks.
Weatherability and anti-aging: The coating added with white carbon black can form an ultraviolet reflection barrier, reduce the heat absorption of the wall, and extend the service life of the coating. For example, in exterior wall coatings, the improvement of weather resistance can enhance the coating's resistance to powdering and fading by more than 30%.
Special function extension: By loading antibacterial agents or self-cleaning materials, white carbon black can endow coatings with antibacterial, anti fouling and other characteristics, suitable for high hygiene requirements such as hospitals and schools.
Floor coating
Hardness and wear resistance improvement: White carbon black fills the micro pores of the coating to form a hard surface, increasing the wear resistance of the floor coating by more than 50%. It is suitable for high load environments such as industrial plants and parking lots.
Enhanced impermeability: Its micrometer sized particles can block the penetration of moisture and chemicals, protect the concrete substrate, and extend the service life of the floor.

2、 Automotive Coatings: Balancing High Performance and Environmental Protection
Body paint
Scratch resistance and glossiness optimization: White carbon black enhances coating hardness, reduces scratches in daily use, and maintains high glossiness. For example, adding 5% white carbon black to varnish can increase the scratch resistance of the coating by 40%.
Improved corrosion resistance: Its excellent dispersibility can evenly distribute anti-corrosion particles, forming a dense protective layer, effectively resisting corrosive environments such as salt spray and acid rain.
Environmentally friendly water-based coatings: White carbon black, as a rheological agent, can improve the leveling of water-based coatings, reduce volatile organic compound (VOC) emissions, and comply with environmental standards such as the EU REACH regulation.
Interior paint
Touch and stain resistance: White carbon black can adjust the touch of the coating, making it closer to the texture of leather and enhancing its stain resistance, making it easy to clean and maintain.

3、 Ship and industrial anti-corrosion coatings: the core component of long-term protection
marine coatings
Rust prevention and resistance to seawater erosion: White carbon black fills the pores of the coating, blocks the penetration of seawater and oxygen, and combines with anti rust pigments such as zinc powder to form a dual protection system, extending the anti-corrosion life of the ship to more than 10 years.
Optimization of anti fouling performance: When compounded with organic tin compounds or silicone anti fouling agents, white carbon black can enhance the smoothness of the coating surface, reduce the adhesion of marine organisms, and lower navigation resistance.
Industrial anti-corrosion coatings
Corrosion resistance to chemical media: In petrochemical, bridge and other scenarios, white carbon black can enhance the resistance of coatings to chemicals such as acids, alkalis, salts, etc., protecting steel structures from corrosion.
High temperature stability: Specially treated white carbon black can maintain stable performance in environments above 200 ℃ and is suitable for protecting high-temperature equipment such as boilers and chimneys.

4、 Special functional coatings: the forefront of technological breakthroughs
YA-NH
Flame retardant and thermal insulation: White carbon black, as a carbon forming agent for expansion type fireproof coatings, can form a dense carbon layer at high temperatures, isolate oxygen and heat transfer, and increase the fire resistance limit of steel structures to more than 2 hours.
conductive coating
Electromagnetic shielding and anti-static: By loading conductive particles such as silver and copper, white carbon black can be used to prepare highly conductive coatings, which can be applied to electronic equipment casings, aircraft bodies, and other scenarios, meeting the shielding effectiveness requirements of military standard GJB 5792-2006.
Self-cleaning coating
Photocatalytic degradation of pollutants: White carbon black coating loaded with titanium dioxide (TiO ₂) can decompose organic pollutants (such as VOCs, NOx) under ultraviolet irradiation, achieving air purification function, suitable for scenarios such as building curtain walls and highway soundproof screens.

5、 Technological advantages and industry trends
Nano level modification technology: Through surface silane coupling agent treatment, the compatibility between white carbon black and resin is significantly improved, reducing the dosage by 10% -15% while maintaining performance.
Green manufacturing trend: Using biomass such as rice husk ash to prepare white carbon black can reduce carbon emissions by more than 30%, which is in line with the concept of circular economy.
Intelligent application: Combined with IoT technology, white carbon black coatings can achieve self-monitoring functions (such as crack warning and corrosion degree detection), promoting the transformation of the coating industry towards intelligence.

conclusion
White carbon black, as the "nanoscale functional engine" of the coating industry, has expanded its application from traditional performance optimization to high-end functional fields. With the rapid development of industries such as building energy conservation, automotive lightweighting, and marine engineering, the demand for white carbon black in coatings will continue to grow. In the future, through the integration of material composite technology and intelligent design, white carbon black is expected to drive the coating industry towards higher performance, environmental friendliness, and intelligence.

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