{"id":1354,"date":"2024-08-23T12:18:19","date_gmt":"2024-08-23T08:48:19","guid":{"rendered":"https:\/\/alvandgiti.com\/?post_type=product&#038;p=1354"},"modified":"2026-08-12T18:45:50","modified_gmt":"2026-08-12T15:15:50","slug":"microsilica-silica-fume","status":"publish","type":"product","link":"https:\/\/alvandgiti.com\/en\/product\/microsilica-silica-fume\/","title":{"rendered":"Microsilica (Silica Fume)"},"content":{"rendered":"<h1 style=\"text-align: center;\"><strong><a href=\"https:\/\/alvandgiti.com\/wp-admin\/post-new.php?post_type=product\">Microsilica<\/a>\u00a0or Silica Fume\u00a0<\/strong><\/h1>\n<p><strong>Alvand Giti Hegmataneh<\/strong> acts as a trusted regional supplier and broker, arranging fair terms and export shipments to national ports.<\/p>\n<h1>What Is Microsilica (Silica Fume)?<\/h1>\n<p>Microsilica, also known as silica fume, is a highly valuable supplementary material used in concrete, construction and advanced industrial applications.<\/p>\n<p>Microsilica is an amorphous material with particles approximately 100 times finer than cement. This ultrafine structure significantly improves concrete density and performance.<\/p>\n<h2>Technical Specifications<\/h2>\n<ul>\n<li>SiO\u2082: approximately 89.22% to above 95%<\/li>\n<li>Al\u2082O\u2083 : 1.20%<\/li>\n<li>Fe\u2082O\u2083 : 2.12%<\/li>\n<li>CaO : 1.87%<\/li>\n<li>MgO : 1.61%<\/li>\n<li>Na\u2082O : 0.556%<\/li>\n<li>K\u2082O : 1.056%<\/li>\n<li>LOI : 2.60%<\/li>\n<\/ul>\n<h2>Key Applications of Microsilica<\/h2>\n<h3>1. High-Strength Concrete<\/h3>\n<p>Microsilica significantly increases concrete compressive strength and is used in high-rise buildings, bridges and heavy-duty structures.<\/p>\n<h3>2. Watertight Concrete<\/h3>\n<p>One of its key benefits is reduced concrete permeability, making it suitable for dams, water tanks and hydraulic structures.<\/p>\n<h3>3. Oil, Gas and Petrochemical Projects<\/h3>\n<p>Concrete containing microsilica offers substantially improved durability in corrosive and chemically aggressive environments.<\/p>\n<h3>4. Marine Structures<\/h3>\n<p>Microsilica is used in piers, breakwaters, ports and coastal structures to improve resistance to chlorides and seawater.<\/p>\n<h3>5. Tunneling and Metro Projects<\/h3>\n<p>In underground projects, microsilica helps reduce water penetration and increase concrete strength.<\/p>\n<h3>6. Precast Concrete Components<\/h3>\n<p>Precast-concrete manufacturers use microsilica to improve product quality, strength and service life.<\/p>\n<h2>Benefits of Using Microsilica<\/h2>\n<ul>\n<li>Higher concrete compressive strength<\/li>\n<li>Improved abrasion resistance<\/li>\n<li>Reduced water permeability<\/li>\n<li>Greater durability in corrosive environments<\/li>\n<li>Improved sulfate resistance<\/li>\n<li>Reduced concrete cracking<\/li>\n<li>Longer structural service life<\/li>\n<li>Improved bond between concrete and reinforcing steel<\/li>\n<\/ul>\n<h2>Microsilica Export Market<\/h2>\n<p>Microsilica is an important export material for construction and infrastructure projects. Demand is driven by ports, power plants, oil and gas facilities and other durable-concrete applications across the Gulf region, Iraq, T\u00fcrkiye, Central Asia, India and selected European markets.<\/p>\n<h2>Packaging<\/h2>\n<p>Alvand Giti Hegmataneh supplies microsilica in multiple packaging formats tailored to customer and export requirements:<\/p>\n<ul>\n<li>25 kg bags<\/li>\n<li>40 kg bags<\/li>\n<li>50 kg bags<\/li>\n<li>1-ton jumbo bags<\/li>\n<li>Custom export packaging<\/li>\n<\/ul>\n<h2>Safety and Storage<\/h2>\n<p>Store microsilica in a dry, well-ventilated area. Use appropriate personal protective equipment during handling and application.<\/p>\n<h2>Why Alvand Giti Hegmataneh?<\/h2>\n<p>Alvand Giti Hegmataneh supplies quality-controlled mineral products with reliable packaging and logistics for domestic and export markets.<\/p>\n<p>We believe lasting success is created when every party benefits from the cooperation. Integrity, trust and reliability are the foundations of our business, and we wish sustainable growth and prosperity for all customers and partners.<\/p>\n<p>Alvand Giti Hegmataneh \u2014 Business Built on Integrity, Trust and Reliability<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-1386\" src=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-300x300.jpg\" alt=\"\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633 \u0635\u0627\u062f\u0631\u0627\u062a\u06cc \u0628\u0627 \u062e\u0644\u0648\u0635 \u0628\u0627\u0644\u0627 \u0645\u0646\u0627\u0633\u0628 \u0628\u062a\u0646 \u0641\u0648\u0642 \u0645\u0642\u0627\u0648\u0645\u060c \u0633\u0627\u0632\u0647 \u0647\u0627\u06cc \u062f\u0631\u06cc\u0627\u06cc\u06cc\u060c \u0646\u0641\u062a \u0648 \u06af\u0627\u0632 \u0648 \u067e\u0631\u0648\u0698\u0647 \u0647\u0627\u06cc \u0639\u0645\u0631\u0627\u0646\u06cc\" width=\"300\" height=\"300\" srcset=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-300x300.jpg 300w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-1024x1024.jpg 1024w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-150x150.jpg 150w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-768x768.jpg 768w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-1536x1536.jpg 1536w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-250x250.jpg 250w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-100x100.jpg 100w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-600x600.jpg 600w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273.jpg 1636w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Main Applications and Use Conditions<\/strong><\/h2>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u062a\u0623\u062b\u06cc\u0631_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633_\u062f\u0631_\u0628\u062a\u0646\"><b>Effects of Microsilica in Concrete<\/b><\/h2>\n<\/div>\n<p>1. Increased Cohesion and Reduced Slump: Microsilica increases mixture cohesion and can reduce measured slump, so water-reducing admixtures are generally recommended. Although slump may decrease, vibration can improve mould filling and practical workability; therefore, slump alone may not fully represent the workability of microsilica concrete.<\/p>\n<p>2. Reduced Bleeding and Segregation: Ultrafine microsilica particles reduce bleeding and segregation, improving concrete cohesiveness.<\/p>\n<p>3. Extended Setting Time: This effect can be beneficial during hot-weather concreting.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u0645\u0642\u062f\u0627\u0631_\u0645\u0635\u0631\u0641_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633_\u062f\u0631_\u0628\u062a\u0646\"><span id=\".D9.85.D9.82.D8.AF.D8.A7.D8.B1_.D9.85.D8.B5.D8.B1.D9.81_.D9.85.DB.8C.DA.A9.D8.B1.D9.88.D8.B3.DB.8C.D9.84.DB.8C.D8.B3_.D8.AF.D8.B1_.D8.A8.D8.AA.D9.86\"><\/span><b>Recommended Microsilica Dosage in Concrete<\/b><\/h2>\n<\/div>\n<p>Microsilica dosage depends on the concrete performance target and mix design. A typical theoretical range is approximately 3\u201315% of cement mass, with a corresponding adjustment to cement content. Laboratory and field trials are required to confirm the optimum dosage.<\/p>\n<p>\u2022 Watertight Concrete: A typical dosage range is 3\u201310% of cement mass, subject to the mix design and required durability. Around 7% is often used as an initial trial value.<\/p>\n<p>\u2022 High-Strength Concrete: Typical trial dosages range from 5\u201317% of cement mass. Around 12% may be used as a starting point, subject to testing.<\/p>\n<p>For special performance requirements, laboratory and site trials must determine the precise microsilica dosage. Excessive replacement levels may reduce strength in some mixtures.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u0645\u0635\u0631\u0641_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633_\u062f\u0631_\u0628\u062a\u0646_\u0628\u0647_\u0635\u0648\u0631\u062a_\u0698\u0644\"><span id=\".D9.85.D8.B5.D8.B1.D9.81_.D9.85.DB.8C.DA.A9.D8.B1.D9.88.D8.B3.DB.8C.D9.84.DB.8C.D8.B3_.D8.AF.D8.B1_.D8.A8.D8.AA.D9.86_.D8.A8.D9.87_.D8.B5.D9.88.D8.B1.D8.AA_.DA.98.D9.84\"><\/span>Using Microsilica as a Gel or Slurry<\/h2>\n<\/div>\n<p>Powdered microsilica offers significant concrete-performance benefits, but its low bulk density and very high specific surface can create handling, environmental and dosing challenges. Gel, slurry or formulated microsilica products may improve dispersion and site handling.\u00a0<a title=\"&nbsp;\" href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0can create handling and environmental challenges because of the material\u2019s low bulk density and very high specific surface. Gel, slurry or formulated products can improve dispersion and site handling.<\/p>\n<h3 style=\"text-align: center;\"><em>Production Process and Properties of Microsilica<\/em><\/h3>\n<p>&nbsp;<\/p>\n<p>Microsilica is recovered from electric-arc furnace exhaust during silicon metal and ferrosilicon production. SiO\u2082 vapor cools and condenses into ultrafine spherical amorphous particles collected by bag filters.\u00a0<a title=\"&nbsp;\" href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0is reduced at approximately 2,000\u00b0C, generating SiO\u2082 vapor that cools and condenses into ultrafine spherical amorphous silica particles collected by bag filters.<a title=\"\u062c\u0627\u0645\u062f \u0622\u0645\u0648\u0631\u0641\" href=\"amorphous\" target=\"_blank\" rel=\"noopener\">amorphous solid<\/a>The vapor oxidizes and condenses into ultrafine amorphous silica particles recovered by bag filters and compared with ordinary Portland cement and fly ash.\u00a0<a title=\"&nbsp;\" href=\"ordinary Portland cement\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0&nbsp;\u00a0<a title=\"&nbsp;\" href=\"fly ash\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0&nbsp;<\/p>\n<p>A representative microsilica sample may contain 20% of particles below 0.05 \u03bcm, 70% below 0.10 \u03bcm, 95% below 0.20 \u03bcm and 99% below 0.50 \u03bcm. The dominant chemical component is typically silica, while exact composition, surface area and bulk density depend on the production source and test report.<\/p>\n<p>Microsilica particles are substantially finer than Portland cement and fly ash, which contributes to high pozzolanic reactivity. Appropriate superplasticizers are normally used to control water demand. The product may be supplied as powder or slurry to improve handling and reduce airborne dust.\u00a0<a title=\"&nbsp;\" href=\"concrete superplasticizer\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0is normally used to control water demand. Microsilica is supplied in powder and slurry forms; slurry can reduce airborne dust and improve handling. Typical cement-replacement levels are approximately 5\u201315%, subject to mix-design testing.\u00a0<a title=\"&nbsp;\" href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0high-performance concrete. Typical cement-replacement levels are approximately 5\u201315%, subject to mix-design testing.<\/p>\n<p>Microsilica improves concrete through particle packing and pozzolanic reaction. Its ultrafine particles fill spaces between cement grains, creating a denser microstructure and supporting higher compressive strength and lower permeability.\u00a0<a title=\"&nbsp;\" href=\"pozzolanic reaction\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0Microsilica particles fill spaces between cement grains, producing a denser microstructure and supporting higher compressive strength.\u00a0<a title=\"&nbsp;\" href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0resulting in higher concrete strength.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u0631\u0648\u0634_\u062a\u0648\u0644\u06cc\u062f_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633\"><span id=\".D8.B1.D9.88.D8.B4_.D8.AA.D9.88.D9.84.DB.8C.D8.AF_.D9.85.DB.8C.DA.A9.D8.B1.D9.88.D8.B3.DB.8C.D9.84.DB.8C.D8.B3\"><\/span><b>Microsilica Production Process<\/b><\/h2>\n<\/div>\n<p>Microsilica is recovered as a silica-rich by-product during silicon and ferrosilicon production. The principal production stages are outlined below:<\/p>\n<p><b>Silicate Raw-Material Processing<\/b>Silicate materials such as quartz are crushed and milled to the required feed size.<\/p>\n<p><b>Furnace Production<\/b>In furnace production, silica-rich feed and carbon are processed at high temperature in electric-arc furnaces during silicon or ferrosilicon production.<\/p>\n<p><b>Separation<\/b>Silica-rich fumes are separated from furnace exhaust using filtration and dust-collection systems. The recovered particles are approximately one hundredth the size of typical cement particles.<\/p>\n<p><b>High-Temperature Reaction<\/b>At approximately 1,800\u20132,000\u00b0C, silica forms vapor that subsequently oxidizes and condenses.<\/p>\n<p><b>Collection and Cooling<\/b>The condensed material is cooled and collected as a fine grey to dark-grey powder using controlled gas-handling and filtration systems.<\/p>\n<p><b>Filtration<\/b>The cooled ultrafine powder is filtered to remove oversized particles and ensure product cleanliness.<\/p>\n<p><b>Packaging and Storage<\/b>Clean, dry microsilica is packed in bags, jumbo bags or other suitable formats for safe storage and shipment.<\/p>\n<p>The final product is a grey to dark-grey silica-rich powder recovered, cooled and packaged from furnace exhaust.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u0627\u0634\u06a9\u0627\u0644_\u0645\u062e\u062a\u0644\u0641_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633\"><span id=\".D8.A7.D8.B4.DA.A9.D8.A7.D9.84_.D9.85.D8.AE.D8.AA.D9.84.D9.81_.D9.85.DB.8C.DA.A9.D8.B1.D9.88.D8.B3.DB.8C.D9.84.DB.8C.D8.B3\"><\/span><b>Available Forms of Microsilica<\/b><\/h2>\n<\/div>\n<p>Microsilica is supplied in undensified, densified, pelletized and slurry forms. Selection depends on handling, transport and end-use requirements.<\/p>\n<p>1. Undensified Microsilica: Typical bulk density is approximately 200\u2013300 kg\/m\u00b3. Its low density can make transport and concrete dosing more challenging.<\/p>\n<p>2. Densified Microsilica: Bulk density is typically above 500 kg\/m\u00b3, improving handling and reducing transport cost compared with undensified powder.<\/p>\n<p>3. Pelletized Microsilica: Produced as approximately 0.7\u20131 mm pellets with bulk density above 600 kg\/m\u00b3. This form is generally not intended for direct use in concrete mixes.<\/p>\n<p>4. Microsilica Slurry: Produced by mixing undensified microsilica with water. Slurry form can improve particle dispersion and mixture uniformity.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u0648\u0627\u06a9\u0646\u0634_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633\"><span id=\".D9.88.D8.A7.DA.A9.D9.86.D8.B4_.D9.85.DB.8C.DA.A9.D8.B1.D9.88.D8.B3.DB.8C.D9.84.DB.8C.D8.B3\"><\/span>Microsilica Pozzolanic Reaction<\/h2>\n<\/div>\n<p>The pozzolanic reaction is defined as follows:<\/p>\n<p>Pozzolan + Calcium Hydroxide + Water \u2192 Secondary Calcium Silicate Hydrate (C\u2013S\u2013H)<\/p>\n<p>Microsilica is a highly reactive pozzolan. It reacts with calcium hydroxide and water to form additional C\u2013S\u2013H gel, filling capillary pores, reducing permeability and improving concrete durability and resistance to aggressive exposure.\u00a0<a title=\"&nbsp;\" href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a>\u00a0fill capillary pores. This reduces concrete porosity and permeability, limits harmful secondary reactions and improves durability in high-performance concrete exposed to chlorides and aggressive environments.<\/p>\n<p>For further information on technical specifications, standards and the use of microsilica in high-strength concrete, consult recognized international references. <a href=\"&nbsp;\" target=\"_blank\" rel=\"noopener\">&nbsp;<\/a> &nbsp;<\/p>\n<p>&#8211; ASTM C1240 Standard Specification for Silica Fume Used in Cementitious Mixtures<br \/>\n&#8211; Silica Fume Association<br \/>\n&#8211; Wikipedia &#8211; Silica Fume<\/p>\n<p>You may also explore the following mineral products supplied by Alvand Giti Hegmataneh:<\/p>\n<p>\u2022 <a href=\"https:\/\/alvandgiti.com\/product\/silica-granular-0-2-to-0-8-mm\/\">\u2022 Premium Silica, 99% Purity<\/a><br \/>\n\u2022 <a href=\"https:\/\/alvandgiti.com\/product\/%d8%b3%db%8c%d9%84%db%8c%d8%b3-%d8%af%d8%b1%d8%ac%d9%87-%d8%af%d9%88\/\">\u2022 Granulated Silica, 0.2\u20130.8 mm<\/a><br \/>\n\u2022 Lump Silica<br \/>\n\u2022 <a href=\"https:\/\/alvandgiti.com\/product\/calcium-carbonate-micronized-mesh-230-2000\/\">Micronized Calcium Carbonate<\/a><br \/>\n\u2022 <a href=\"https:\/\/alvandgiti.com\/product\/dolomite-micronized-mesh-325\/\">Micronized Dolomite<\/a><br \/>\n\u2022 Micronized Sodium Feldspar<\/p>\n<h1 style=\"text-align: left;\">Microsilica (Silica Fume)<\/h1>\n<p style=\"text-align: left;\">Microsilica, also known as Silica Fume, is one of the most valuable mineral products used in modern construction and high-performance concrete applications. Due to its extremely fine particle size and high silicon dioxide content, Microsilica significantly improves concrete strength, durability, density, and water resistance.<\/p>\n<p style=\"text-align: left;\">Microsilica is an amorphous silica material with particles approximately 100 times finer than cement particles. It fills microscopic voids within the concrete matrix and enhances the pozzolanic reaction, resulting in superior mechanical and durability properties.<\/p>\n<h2 style=\"text-align: left;\">Chemical Analysis<\/h2>\n<ul style=\"text-align: left;\">\n<li>SiO\u2082 : 89.22% (up to 95%+ available)<\/li>\n<li>Al\u2082O\u2083 : 1.20%<\/li>\n<li>Fe\u2082O\u2083 : 2.12%<\/li>\n<li>CaO : 1.87%<\/li>\n<li>MgO : 1.61%<\/li>\n<li>Na\u2082O : 0.556%<\/li>\n<li>K\u2082O : 1.056%<\/li>\n<li>LOI : 2.60%<\/li>\n<\/ul>\n<h2 style=\"text-align: left;\">Main Applications<\/h2>\n<ul style=\"text-align: left;\">\n<li>High Strength Concrete (HSC)<\/li>\n<li>Ultra High Performance Concrete (UHPC)<\/li>\n<li>Marine Structures<\/li>\n<li>Dams and Water Reservoirs<\/li>\n<li>Tunnels and Underground Projects<\/li>\n<li>Oil &amp; Gas Facilities<\/li>\n<li>Petrochemical Plants<\/li>\n<li>Precast Concrete Products<\/li>\n<li>Industrial Flooring<\/li>\n<li>Infrastructure Projects<\/li>\n<\/ul>\n<h2 style=\"text-align: left;\">Key Advantages<\/h2>\n<ul style=\"text-align: left;\">\n<li>Increased compressive strength<\/li>\n<li>Reduced permeability<\/li>\n<li>Improved durability<\/li>\n<li>Enhanced abrasion resistance<\/li>\n<li>Better chemical resistance<\/li>\n<li>Reduced chloride penetration<\/li>\n<li>Extended service life of structures<\/li>\n<li>Improved bond strength<\/li>\n<\/ul>\n<h2 style=\"text-align: left;\">Export Supply<\/h2>\n<p style=\"text-align: left;\">Alvand Giti Hegmataneh supplies Microsilica for domestic and international markets with flexible packaging options including small bags, bulk bags, and export-grade jumbo bags.<\/p>\n<h2 style=\"text-align: left;\">Packaging<\/h2>\n<ul style=\"text-align: left;\">\n<li>25 kg bags<\/li>\n<li>40 kg bags<\/li>\n<li>50 kg bags<\/li>\n<li>1 MT Jumbo Bags<\/li>\n<li>Customized export packaging<\/li>\n<\/ul>\n<h2 style=\"text-align: left;\">Our Philosophy<\/h2>\n<p style=\"text-align: left;\">At Alvand Giti Hegmataneh, we believe the world is built on abundance. Honesty, trust, and reliability are the foundation of every successful business relationship. Our mission is to deliver high-quality mineral products while creating long-term value for customers worldwide.<\/p>\n<p style=\"text-align: left;\">Alvand Giti Hegmataneh \u2013 Trade Based on Honesty, Trust and Confidence.<\/p>\n<div class=\"mw-heading mw-heading2\">\n<h2 id=\"\u062a\u0623\u062b\u06cc\u0631_\u0645\u06cc\u06a9\u0631\u0648\u0633\u06cc\u0644\u06cc\u0633_\u062f\u0631_\u0628\u062a\u0646\" style=\"text-align: left;\"><\/h2>\n<\/div>","protected":false},"excerpt":{"rendered":"<h3><img decoding=\"async\" class=\"alignnone wp-image-1386 size-medium\" src=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-300x300.jpg 300w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-1024x1024.jpg 1024w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-150x150.jpg 150w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-768x768.jpg 768w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-1536x1536.jpg 1536w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-250x250.jpg 250w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-100x100.jpg 100w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273-600x600.jpg 600w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/07\/IMG_E5542-e1742133451273.jpg 1636w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\u00a0 A high-performance material for concrete, drilling and lining applications<\/h3>\n<h2 style=\"text-align: center;\"><strong><a href=\"https:\/\/alvandgiti.com\/wp-admin\/post-new.php?post_type=product\">Microsilica<\/a> or Silica Fume<\/strong><\/h2>\n<p><b>Microsilica<\/b>\u00a0or silica fume is a by-product of electric-arc furnace production of silicon metal and ferrosilicon alloys. It is widely used in high-performance concrete.<\/p>\n<p>High-Performance Microsilica <a href=\"https:\/\/alvandgiti.com\/wp-admin\/post-new.php?post_type=product\">Microsilica<\/a> Silica fume is collected and packaged during ferrosilicon production. Our technical approach focuses on improving concrete strength and density while minimizing internal pores and capillary voids.<\/p>\n<p>For export supply, Alvand Giti Hegmataneh provides reliable regional sourcing, coordination and commercial support. <strong>Alvand Giti Hegmataneh<\/strong> provides dependable, dedicated regional cooperation.<\/p>\n<p><img decoding=\"async\" class=\"size-medium wp-image-1356 aligncenter\" src=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-135x300.jpg\" alt=\"\" width=\"135\" height=\"300\" srcset=\"https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-135x300.jpg 135w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-461x1024.jpg 461w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-768x1705.jpg 768w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-692x1536.jpg 692w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9-600x1332.jpg 600w, https:\/\/alvandgiti.com\/wp-content\/uploads\/2024\/08\/\u06f2\u06f0\u06f2\u06f4\u06f0\u06f8\u06f2\u06f2_\u06f0\u06f9\u06f5\u06f9\u06f2\u06f9.jpg 865w\" sizes=\"(max-width: 135px) 100vw, 135px\" \/><\/p>","protected":false},"featured_media":1616,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[75],"product_cat":[59,35],"product_tag":[88,89,49,86,90,87,85],"class_list":["post-1354","product","type-product","status-publish","has-post-thumbnail","product_brand-75","product_cat-59","product_cat-35","product_tag-micro-cilica","product_tag-89","product_tag-49","product_tag-86","product_tag-90","product_tag-87","product_tag-85","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product\/1354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/comments?post=1354"}],"version-history":[{"count":5,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product\/1354\/revisions"}],"predecessor-version":[{"id":1631,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product\/1354\/revisions\/1631"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/media\/1616"}],"wp:attachment":[{"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/media?parent=1354"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product_brand?post=1354"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product_cat?post=1354"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/alvandgiti.com\/en\/wp-json\/wp\/v2\/product_tag?post=1354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}