Gypsum

Chemical Formula

CaSO₄·2H₂O (Calcium Sulphate Dihydrate)

Available Forms

 Raw Gypsum Lumps
 Crushed Gypsum
 Gypsum Powder
 Micronized Gypsum Powder

Standard Sizes

Lumps

 10–30 mm
 20–50 mm
 30–80 mm
 50–100 mm
 Customized sizes available

Powder

 100 Mesh
 200 Mesh
 300 Mesh
 325 Mesh
 400 Mesh
 Customized mesh sizes available

Grades with Typical Specifications & Industrial Applications

1. Cement Grade Gypsum

Typical Specifications

 CaSO₄·2H₂O: ≥85–95%
 Purity: ≥85%
 Moisture: ≤5%
 Insoluble Matter: ≤5%
 Particle Size: As per customer requirement

Industrial Applications

 Cement Manufacturing
 Clinker Grinding
 Setting Time Regulator
 Portland Cement Production

2. Plaster Grade Gypsum

Typical Specifications

 CaSO₄·2H₂O: ≥90–95%
 Whiteness: ≥80%
 Moisture: ≤5%
 Fine Particle Size
 Low Insoluble Matter

Industrial Applications

 Plaster of Paris (POP)
 Decorative Plaster
 False Ceilings
 Wall Finishing
 Interior Construction

3. Ceramic Grade Gypsum

Typical Specifications

 Purity: ≥90%
 CaSO₄·2H₂O: ≥90%
 Low Iron Content
 Fine Powder
 Controlled Moisture

Industrial Applications

 Ceramic Moulds
 Sanitary Ware
 Tableware
 Ceramic Slip Casting

4. Agriculture Grade Gypsum

Typical Specifications

 CaSO₄·2H₂O: ≥80–90%
 Calcium: ≥22%
 Sulphur: ≥17%
 Moisture: ≤5%
 Neutral pH

Industrial Applications

 Soil Conditioner
 Soil Reclamation
 Fertilizer Manufacturing
 Crop Nutrition
 Saline Soil Improvement

5. Fertilizer Grade Gypsum

Typical Specifications

 Calcium: ≥22%
 Sulphur: ≥17%
 Purity: ≥85%
 Moisture: ≤5%
 Fine Powder

Industrial Applications

 NPK Fertilizers
 Soil Nutrient Supplement
 Micronutrient Blends
 Organic Fertilizer Production

6. Industrial Grade Gypsum

Typical Specifications

 Purity: ≥85–90%
 Low Moisture
 Controlled Particle Size
 Low Insoluble Matter
 Stable Chemical Composition

Industrial Applications

 Chemical Industry
 Paint Industry
 Rubber Industry
 Paper Industry
 Industrial Fillers

7. Construction Grade Gypsum

Typical Specifications

 Purity: ≥85%
 Moisture: ≤5%
 High Strength
 Fine Powder
 Uniform Quality

Industrial Applications

 Gypsum Boards
 Drywall Panels
 Partition Systems
 Wall Putty
 Building Materials

8. Glass Grade Gypsum

Typical Specifications

 Purity: ≥90%
 Low Iron Content
 Moisture: ≤5%
 Fine Particle Size
 Low Insoluble Matter

Industrial Applications

 Specialty Glass
 Glass Manufacturing
 Glass Batch Preparation

9. Pharmaceutical Grade Gypsum

Typical Specifications

 High Purity
 Low Heavy Metal Content
 Fine Powder
 Controlled Moisture
 Pharmacopoeia Quality (on request)

Industrial Applications

 Pharmaceutical Formulations
 Medicinal Preparations
 Laboratory Applications

10. Food Grade Gypsum

Typical Specifications

 Food Grade Purity
 Low Heavy Metal Content
 Fine Powder
 Moisture: ≤3%
 Complies with Food Standards (on request)

Industrial Applications

 Food Additives
 Tofu Production
 Brewing Industry
 Food Processing

11. Wall Putty Grade Gypsum

Typical Specifications

 High Whiteness
 Fine Powder
 Low Moisture
 Excellent Workability
 Uniform Particle Size

Industrial Applications

 Wall Putty
 Decorative Coatings
 Interior Wall Finishes
 Construction Chemicals

12. Dental Grade Gypsum

Typical Specifications

 High Purity
 High Compressive Strength
 Controlled Setting Time
 Fine Particle Size
 Low Expansion

Industrial Applications

 Dental Stone
 Dental Casts
 Dental Models
 Orthodontic Laboratories

Customization Available
MERIDIAN GEOROCK MINERAL LLP supplies Gypsum in customized purity levels,
particle sizes, mesh sizes, lump sizes, whiteness, moisture content, and chemical
specifications to meet customer requirements and international industry standards.