Premium Processed Sodium Bentonite Description:
Zarkan Company supplies high-grade Sodium Bentonite sourced from high-yield deposits in Ardakan, Yazd. The material is processed and micronized to meet international API and OCMA standards. With excellent swelling behavior and strong viscosity control, it is widely used in drilling, civil engineering, and foundry applications. Technical Specifications: – Appearance: Pale gray to light cream micronized powder – Montmorillonite Content: greater than 80% – Swelling Index: 18 to 25 ml per 2 grams – Moisture: maximum 10% – Standards: API Spec 13A / OCMA compliant Primary Applications: – Drilling fluids for oil and gas wells – Civil engineering (piling, tunneling, slurry walls) – Foundry green sand binder
High-Purity Silica Sand and Quartz Description:
Our high-purity Silica Sand and Quartz are obtained from premium deposits in Yazd. The product is washed, screened, and dried to ensure consistency, low iron content, and excellent chemical stability. This material is ideal for industries that require high thermal resistance and exceptional clarity. Technical Specifications: – Appearance: Snow-white crystalline granules – Silicon Dioxide (SiO2): greater than 99.2% – Iron Oxide (Fe2O3): less than 0.02% – Mesh Sizes: customizable (such as 16-30, 30-50, 50-100) Primary Applications: – Glass manufacturing (container glass, flat glass, crystal) – Water filtration media – Ceramic bodies and glaze formulations
Super-White Washed Kaolin (China Clay) Description:
Zarkan’s washed Kaolin is processed using advanced refining technologies that remove impurities and enhance brightness. This material offers excellent plasticity and a controlled particle size distribution, making it a preferred mineral for ceramics, paints, refractories, and paper industries. Technical Specifications: – Appearance: Ultra-white powder or lumps – Alumina (Al2O3): 35% to 38% – Brightness: greater than 85% (ISO scale) – Plasticity: high hydrous plasticity index Primary Applications: – Ceramics and porcelain production – Paints and coatings (as filler or pigment) – Refractory materials and insulating bricks – Paper coating and paper filler
Premium Feldspar (Potassium and Sodium Grade) Description:
Zarkan provides premium Potassic and Soda Feldspar extracted from rich mining zones in Yazd. The material is purified through magnetic separation and precise sizing to achieve ultra-low iron content, making it suitable for white-body ceramic and glass formulations. Technical Specifications: – Appearance: Pinkish-white lumps, crushed grains, or powder – Total Alkali (K2O + Na2O): greater than 11.5% – Iron Oxide (Fe2O3): less than 0.12% – Moisture: maximum 1% Primary Applications: – Ceramic tiles, porcelain bodies, sanitaryware – Glass manufacturing – Glazes and frit formulations
Premium Clumping Bentonite (Cat Litter and Industrial Absorbent) Description:
This product is engineered from high-quality sodium bentonite to achieve superior clumping strength, fast liquid absorption, and natural odor control. It is processed to be dust-free and is available in bulk or private-label export packaging
Technical Specifications: – Appearance: Grayish uniform granules (1.0 to 4.0 mm) – Absorption Capacity: greater than 350% – Clumping Strength: forms hard, cohesive clumps quickly – Dust Level: less than 0.5% (double de-dusted) Primary Applications: – Cat litter and pet hygiene products – Industrial spill absorbent (oil, chemicals, liquids) – Agricultural binder and pelletizing agent
