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{"title":"Cosmetic Grade Talc Powder with Platy Structure and Chemical Inertness for","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/87\/fd3f8b8267c66c0b50ad1ffc7dad-200x200-1\/cosmetic_grade_talc_powder_with_platy_structure_and_chemical_inertness_for_personal_care_and_industrial_applications.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Talc Powder","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Precipitated Barium Sulfate 98% Purity - High Whiteness Filler for Coatings,","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/b3\/c2783521736e47dd018aa8265fb9-200x200-1\/precipitated_barium_sulfate_98_25_purity_high_whiteness_filler_for_coatings_2c_plastics_26_x_ray_contrast.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Barium Sulfat","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Calcium Hypochlorite Bleaching Powder with 65% Available Chlorine for Water","imgUrl":"https:\/\/img.chinax.com\/nimg\/03\/a4\/e98d4a3bd821fe1a35b3f77de55c-200x200-1\/calcium_hypochlorite_bleaching_powder_with_65_25_available_chlorine_for_water_disinfection_and_textile_bleaching_as_sanitizer_agen.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
{"title":"Sodium Tripolyphosphate STPP Tech Grade - Detergent Builder Water Softener Food","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/1b\/0452ba8b56f24933e1d685db3ed2-200x200-1\/sodium_tripolyphosphate_stpp_tech_grade_detergent_builder_water_softener_food_additive_e451.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
{"title":"Sodium Lauryl Sulfate (SLS) - Anionic Surfactant with Excellent Foaming","imgUrl":"https:\/\/img.chinax.com\/nimg\/63\/b8\/11dddd09f49256dd55f2994efdc1-200x200-1\/sodium_lauryl_sulfate_28sls_29_anionic_surfactant_with_excellent_foaming_properties_2c_powerful_cleaning_ability_2c_and_rich_lathe.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
{"title":"High Purity Quartz Sand for Water Treatment Filter Media and Glass Manufacturing","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/4d\/a83c1d28aeac4e0c30a2b3f0d38b-200x200-1\/high_purity_quartz_sand_for_water_treatment_filter_media_and_glass_manufacturing_raw_material.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
High hardness, wear resistance, high temperature resistance, acid and alkali resistance, high thermal conductivity, low thermal expansion coefficient, high insulation, stable chemical properties
High hardness, wear resistance, high temperature resistance, acid and alkali resistance, high thermal conductivity, low thermal expansion coefficient, high insulation, stable chemical properties
Microsilica, also known as silica fume or condensed silica fume, is an ultra-fine, high-purity amorphous silicon dioxide (SiO₂) powder collected as a by-product from silicon metal and ferrosilicon alloy furnaces. This grayish-white powder features an average particle size of 0.1-0.3 microns with very high specific surface area (15-30 m²/g), high pozzolanic activity, and excellent filling properties.
Microsilica significantly enhances concrete performance through pozzolanic reactions and micro-filling effects. It reduces porosity, increases density, and improves mechanical properties.
Dramatically increases compressive and flexural strength
Enhances impermeability and chloride ion resistance
Improves abrasion resistance and reduces alkali-silica reaction
Essential for ultra-high-performance concrete (UHPC), dams, bridges, and nuclear facilities
Refractory Materials Industry
Serves as an efficient binder and toughening agent in alumina-silica refractories.
Improves bulk density and hot strength
Enhances thermal shock and corrosion resistance
Promotes sintering and increases medium-temperature strength
Polymer Composites & Electronic Materials
Functions as a reinforcing filler to enhance mechanical and thermal properties.
Increases strength, hardness, and wear resistance in polymers
Improves heat resistance and dimensional stability
Key component in Epoxy Molding Compounds (EMC) for electronics
Additional Specialized Applications
Chemical industry: matting agent, thickener, anti-caking agent
Ceramics manufacturing: lowers firing temperatures, increases density
Wear-resistant flooring and industrial coatings
Catalyst support materials
Product Specifications & Grading
Parameter
Specification
SiO₂ Content
92%, 96%, 98% grades available
Particle Size
Average 0.1-0.3 microns
Specific Surface Area
15-30 m²/g
Forms Available
Densified and undensified (as-produced)
Safety & Handling: Microsilica is an ultra-fine powder that generates significant dust. Effective dust collection systems and proper respiratory protection are mandatory. Store in moisture-proof, sealed containers due to strong hygroscopicity.
Quality Assurance: Our microsilica products feature high SiO₂ content, excellent activity, optimal particle size distribution, and consistent quality. We provide technical support for concrete mix design, refractory formulations, and polymer modifications to optimize your material performance.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2013
Total Annual:
7000000-10000000
Employee Number:
130~150
Ecer Certification：
Verified Supplier
Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ... Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ...
