The calcium sulfate market is expanding as demand increases across construction, agriculture, manufacturing, food processing, and healthcare applications. According to Market Research Future, the market was valued at USD 1.721 billion in 2024 and is projected to reach USD 2.523 billion by 2035, growing at a CAGR of 3.54% from 2025 to 2035. The broad functionality of calcium sulfate continues to support its adoption across established and emerging applications.

Construction remains a major demand center because calcium sulfate is widely used in gypsum boards, plaster, cement-related products, and other building materials. Its properties, including fire resistance, ease of application, and suitability for lightweight construction systems, make it valuable for residential and commercial projects. Increasing interest in sustainable construction materials is further encouraging manufacturers to develop improved calcium sulfate-based products.

Agriculture represents another important growth opportunity. Calcium sulfate, commonly associated with gypsum applications, can be used as a soil amendment to improve soil structure and provide calcium. Growing interest in sustainable farming practices is increasing awareness of soil-conditioning solutions that can support agricultural productivity.

The food industry is also diversifying its use of calcium sulfate. It can serve as a coagulant in tofu production and as a firming agent in selected food applications. Growing interest in plant-based foods is creating additional opportunities for food-grade calcium sulfate.

Powder remains the largest product form, accounting for 60% of the market in 2025. Granules are gaining attention because they offer easier handling and application, particularly in agriculture and fertilizer-related uses. Industrial grade is the dominant grade, while food grade is experiencing comparatively strong growth.

Asia-Pacific accounted for approximately 45% of the market in 2025 according to the report's key market facts, supported by construction and industrial activity in China and India. North America is another significant market, while Europe benefits from sustainable construction initiatives.

As demand for durable construction materials, sustainable agricultural inputs, and specialized food ingredients continues to evolve, calcium sulfate is expected to maintain steady market development through 2035.