The  Calcium Sulphate Market  is witnessing consistent expansion, supported by its wide-ranging applications across construction, pharmaceuticals, food and beverages, agriculture, and multiple industrial sectors. Calcium sulphate, commonly known in forms such as gypsum, plaster of Paris, and anhydrite, plays a vital role due to its cost-effectiveness, chemical stability, and versatility. According to recent industry analysis, the global Calcium Sulphate market size is expected to reach US$ 5.9 billion by 2033 from US$ 3.9 billion in 2025, registering a compound annual growth rate (CAGR) of 5.3% from 2026 to 2033.

The rising demand for sustainable building materials, increasing pharmaceutical manufacturing, and growing use of calcium sulphate as a food additive and soil conditioner are among the key factors driving market growth. Additionally, rapid urbanization and infrastructure development across emerging economies are further accelerating market expansion.

Market Overview and Growth Drivers

Calcium sulphate is widely valued for its binding properties, controlled solubility, and compatibility with various industrial processes. In the construction industry, it is extensively used in drywall, wallboards, cement, and plaster applications. The global construction sector's steady growth, particularly in Asia-Pacific and the Middle East, has significantly boosted demand for calcium sulphate-based products.

In the pharmaceutical sector, calcium sulphate is commonly used as an excipient and filler in tablets, bone graft substitutes, and dental applications. Rising healthcare expenditure, increased drug production, and advancements in medical technologies are strengthening its adoption in pharmaceutical-grade applications. Similarly, the food and beverage industry utilizes food-grade calcium sulphate as a firming agent, acidity regulator, and nutritional additive, further contributing to market growth.

Agriculture also represents a key application area, where calcium sulphate improves soil structure, enhances nutrient absorption, and reduces soil salinity. The increasing emphasis on sustainable farming practices and soil health management is expected to create new growth opportunities for the market.

Segments Covered

The Calcium Sulphate Market is segmented based on form, grade, purity level, and application, offering a comprehensive view of market dynamics.

By Form, the market includes Hydrated, Anhydrous, and Hemihydrate calcium sulphate. Hydrated calcium sulphate dominates the market due to its extensive use in construction materials such as gypsum boards and plasters. Hemihydrate calcium sulphate, commonly known as plaster of Paris, is widely used in medical casts, molds, and decorative applications. Anhydrous calcium sulphate finds application in cement production and industrial drying processes.

By Grade, the market is segmented into Technical Grade, Food Grade, Pharma Grade, and Others. Technical-grade calcium sulphate accounts for a significant share, primarily driven by industrial and construction demand. Food-grade and pharma-grade segments are expected to witness faster growth, supported by stringent quality standards and increasing consumption in regulated industries.

By Purity Level, the market is categorized into High Purity and Standard Purity calcium sulphate. High-purity calcium sulphate is gaining traction in pharmaceuticals, medical devices, and specialty food applications, where strict quality requirements are essential.

By Application, the market covers Construction, Pharmaceuticals, Food and Beverages, Agriculture, Industrial, and Others. Construction remains the leading application segment, while pharmaceuticals and food and beverages are projected to grow at a robust pace during the forecast period.

Regional Insights

Asia-Pacific holds a prominent position in the global Calcium Sulphate market, driven by rapid infrastructure development, population growth, and industrial expansion in countries such as China and India. North America and Europe continue to demonstrate stable growth, supported by established construction industries, technological advancements, and high demand from pharmaceutical manufacturers. Meanwhile, Latin America and the Middle East & Africa are emerging as attractive markets due to increasing investments in construction and agriculture.

Market Leaders and Competitive Landscape

The Calcium Sulphate Market is moderately consolidated, with several global and regional players focusing on capacity expansion, product innovation, and strategic partnerships to strengthen their market presence. Leading companies are emphasizing sustainable production methods and high-purity product offerings to meet evolving customer demands.

Key market players include:

USG Corp.

Knauf Gypsum KG

Yoshino Gypsum Co. Ltd

Boral Ltd

Kingspan Group

American Gypsum Company LLC

CertainTeed Corp

GFS Chemical Inc

Graymont Limited

These companies maintain a competitive edge through strong distribution networks, technological expertise, and a diversified product portfolio catering to multiple end-use industries.

Future Outlook

The outlook for the Calcium Sulphate Market remains positive, supported by growing construction activities, rising pharmaceutical production, and expanding applications in food, agriculture, and industrial sectors. Continuous innovation, coupled with increasing demand for sustainable and eco-friendly materials, is expected to shape the future of the market.

With steady growth prospects and expanding application areas, the Calcium Sulphate market is poised to remain a critical component of global industrial and construction supply chains through 2033.

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