In the process of continuously developing towards high-performance and functionalization in fields such as silicone rubber, adhesives, coatings, and composite materials, functional powder materials with nano-sized particle size, high specific surface area, and high surface activity are becoming a key factor in enhancing the comprehensive performance of materials. The product we have launched, 9001 White Carbon Black by the gas-phase method, as a high-purity amorphous silica nanomaterial prepared by the gas-phase process, demonstrates significant industrial application value in numerous fields such as silicone rubber reinforcement, sealant rheology control, coating anti-slip, and composite material modification, providing high-performance nano-fillers for customers in various industries.


I. Core Physical and Chemical Properties and Technical Specifications


Product 9001 White Carbon Black by the gas-phase method is a white powder. Its original particle size can reach the nanometer level, with a large specific surface area and high surface activity. The product's silica content is not less than 99.8%, the 45-micron sieve residue is no more than 0.05%, the suspension pH value is 3.6 to 4.5, the volatile matter at 105 degrees Celsius is no more than 3%, and the ash content is no more than 2.5%. The impurity elements are strictly controlled: aluminum oxide content does not exceed 500 milligrams per kilogram, titanium dioxide does not exceed 300 milligrams per kilogram, iron oxide does not exceed 30 milligrams per kilogram, carbon content does not exceed 0.2 milligrams per kilogram, and chloride content does not exceed 0.025%. The product has a melting point of 1710 degrees Celsius, a relative density of 2.2 grams per cubic centimeter at 20 degrees Celsius, and exhibits chemical inertness, high purity, and excellent thermal stability.


II. Core Performance Advantages and Mechanism of Action


Product 9001 White Carbon Black by the gas-phase method demonstrates the following core performance advantages due to its nano-sized particle size and high surface activity:


Excellent reinforcing performance. In elastomer systems such as silicone rubber, the surface of gas-phase silica rich in silicon hydroxyl groups can form hydrogen bonds or chemical bonds with the silicone rubber molecular chains, forming physical cross-linking points, thereby significantly enhancing the tensile strength, tear strength, and wear resistance of the material.


Efficient thickening and thixotropic effects. Gas-phase silica particles in liquid systems can form a three-dimensional network structure through hydrogen bonding, significantly increasing the viscosity of the system; when subjected to shear force, the network breaks and the system becomes thinner, and the shear force disappears, the network recovers, and the viscosity recovers. This characteristic gives coatings, sealants, etc., excellent anti-slip performance and construction performance.


Good anti-settling and suspension performance. The three-dimensional network structure can effectively "support" the pigment and filler particles in the system, preventing them from settling and stratification during storage, ensuring the consistency and stability of the product.


III. Wide Application Areas


Product 9001 White Carbon Black by the gas-phase method, with its multi-functional performance combination, can play an important role in the following key application areas:


1. Reinforcement of silicone rubber and elastomers. In room-temperature vulcanized silicone rubber (RTV), high-temperature vulcanized silicone rubber (HTV), and liquid silicone rubber (LSR), this product is the core reinforcing filler, significantly enhancing the mechanical properties and transparency of vulcanized rubber, and giving rubber products high strength, high elasticity, and excellent aging resistance.


2. Rheology control of adhesives and sealants. In silicone sealants, epoxy adhesives, etc., the product provides thickening and thixotropic functions, making the gel remain paste-like without flowing during storage, and becoming thinner and easier to extrude under shear force during construction, and quickly recovering shape without sagging after application.


3. Functional additives for coatings and inks. In coating formulations, the product can effectively control rheological properties, prevent pigment settling, improve anti-slip performance, enhance the corrosion resistance and wear resistance of the coating, and improve the surface gloss and mechanical properties of the paint film.


4. Reinforcement of composite materials and plastics. In carbon fiber/glass fiber reinforced composite materials and engineering plastics, the product can enhance the bonding force between the resin and the fibers, improve the dimensional stability, surface smoothness and mechanical strength of the products.


5. Anti-caking and flow aids for powder materials. In powder coatings, dry powder fire extinguishing agents, food powders and other fields, the product can prevent particles from absorbing moisture and caking, and improve the flowability and dispersibility of the powder.


4. Packaging specifications and storage and transportation conditions


Product white carbon black 9001 for gas-phase method is packaged in paper bags, with each bag containing ten kilograms. It should be stored in a cool, dry and ventilated place, away from incompatible substances such as oxidants. Since the product is a nano powder, ensuring full dispersion of the nanoparticles during application is the key to exerting its performance. It is recommended to use appropriate dispersion processes and equipment to ensure the uniform distribution of nanoparticles.


5. Quality assurance and industrial chain value


Product white carbon black 9001 in the production process has established a strict quality control system. Key indicators such as silica content, residue, pH value, volatile matter, ash reduction and the content of various impurity elements are monitored throughout the process to ensure consistency and reliability between batches. As industries such as silicone rubber, coatings, adhesives and composite materials continue to develop towards high-performance and refinement, the demand for high-performance gas-phase white carbon black products with reinforcing and rheological control functions is steadily increasing. This product, with its purity of no less than 99.8%, nano-sized particle characteristics and strictly controlled impurity indicators, is becoming an important solution for customers in various fields in the selection of functional nano-fillers, providing strong raw material support for promoting the product quality improvement and performance upgrade of related industries.