Magnesium Carbonate Prices, Trends, Index, News, Monitor and Demand

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Magnesium Carbonate Price Trend and Forecast

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Market Overview

For the Quarter Ending September 2025

North America

• In United States, the Magnesium Carbonate Price Index fell quarter-over-quarter in Q3 2025, influenced by improved domestic supply and shifting demand for magnesia.

• Magnesium Carbonate production costs rose in Q3 2025 due to increased Magnesium Hydroxide feedstock prices and strengthening natural gas prices.

• Industrial demand for Magnesium Carbonate was subdued by very slow industrial production growth (0.1% YoY, September 2025).

• Declining consumer confidence (94.2 index, September 2025) and a 4.3% unemployment rate tempered Magnesium Carbonate demand.

• Robust retail sales (5.42% YoY, September 2025) and increased new-car sales in Q3 2025 offered some support for Magnesium Carbonate demand.

• Inflationary pressures, with CPI up 3.0% YoY in September 2025 and PPI up 2.6% YoY in August 2025, impacted overall market dynamics.

• The global magnesia market experienced inventory build-up in Q3 2025, contributing to downward price pressure for related materials.

• Magnesium Carbonate price forecast remains uncertain, balancing rising production costs against subdued industrial demand and increased magnesia supply.

Why did the price of Magnesium Carbonate change in September 2025 in North America?

• Magnesium Hydroxide feedstock costs rose in Q3 2025, increasing Magnesium Carbonate production expenses.

• Weak industrial production (0.1% YoY, September 2025) and declining consumer confidence impacted demand.

• Improved US domestic magnesia supply and global inventory build-up in Q3 2025 influenced market prices.

APAC

• In China, the Magnesium Carbonate Price Index fell quarter-over-quarter in Q3 2025, reflecting negative CPI and contracting manufacturing activity.

• Magnesium Carbonate price forecast suggests downward pressure from pessimistic consumer confidence of 89.6 in September 2025.

• Production costs for Magnesium Carbonate declined modestly in Q3 2025, influenced by falling magnesia feedstock prices.

• Demand outlook for Magnesium Carbonate was challenged by contracting manufacturing new orders throughout Q3 2025.

• The Magnesium Carbonate Price Index reflected bearish sentiment from a -2.3% Producer Price Index in September 2025.

• Industrial production growth of 6.5% in September 2025 provided some underlying support for Magnesium Carbonate demand.

• Magnesia inventories increased in Q3 2025, indicating sluggish demand and contributing to Magnesium Carbonate price softening.

• China's Magnesium Carbonate import volumes surged in September 2025, suggesting increased supply availability in the market.

Why did the price of Magnesium Carbonate change in September 2025 in APAC?

• Negative CPI of -0.3% in September 2025 indicated weak consumer demand, impacting downstream Magnesium Carbonate.

• Producer Price Index fell by -2.3% in September 2025, reflecting weak industrial demand and lower factory prices.

• Increased magnesia inventories in Q3 2025, coupled with contracting manufacturing activity, pressured Magnesium Carbonate prices.

Europe

• In Germany, the Magnesium Carbonate Price Index fell quarter-over-quarter in Q3 2025, driven by declining producer prices and weak industrial output.

• Magnesium Carbonate production costs trended downwards, influenced by a 1.7% PPI decline in September 2025.

• Demand for Magnesium Carbonate faced headwinds as Germany's Manufacturing Index contracted in Q3 2025.

• Industrial Production in Germany decreased 1.0% in September 2025, dampening overall Magnesium Carbonate demand.

• The German construction sector experienced sustained contraction in Q3 2025, with new orders falling.

• Magnesium Carbonate demand outlook remains subdued due to fluctuating automotive production and deteriorated chemical business climate.

• Natural gas feedstock costs for Magnesium Carbonate producers fluctuated in Q3 2025, with lower prices in August and September.

• Despite a 2.4% CPI increase in September 2025, overall market weakness from contracting industrial activity pressured prices.

Why did the price of Magnesium Carbonate change in September 2025 in Europe?

• Producer prices declined 1.7% in September 2025, mainly due to lower energy costs, reducing production expenses.

• Germany's industrial production fell 1.0% in September 2025, decreasing Magnesium Carbonate demand from manufacturing.

• The Manufacturing Index contracted in Q3 2025, signaling slower industrial activity and new orders.

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List of Magnesium Carbonate Suppliers

1. Naikai Salt Industries Co., Ltd.
2. Konoshima Chemical
3. SCORA S.A.S.
4. Huber Engineered Materials
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Product Description

Magnesium Carbonate is an inorganic magnesium salt, belonging to the class of carbonate minerals. Its chemical formula is MgCO₃ (anhydrous form), and in nature it is found as the mineral magnesite. Production commonly involves mining magnesite ore, followed by purification and processing to obtain the magnesium carbonate powder. In some cases, light or basic magnesium carbonate grades are derived via thermal or chemical treatment of the natural mineral.

Magnesium carbonate is valued for its versatility and functional attributes: it serves as a gentle, relatively inert additive with buffering or neutralizing capabilities, an anti‑caking agent, a filler, and a drying/absorbent material. Its insolubility and chemical stability make it suitable for applications where controlled reactivity is desired or where water-insoluble behavior is advantageous. In addition, its physical form (powder) enables easy blending into diverse matrices — from solid dosage pharmaceuticals to polymers, cosmetics, or food-grade products.

Because of these characteristics, magnesium carbonate finds widespread application across many industries. In the pharmaceutical and healthcare sectors, it is used as an antacid, as a magnesium supplement, and as an excipient/filler in tablet and capsule formulations. In the food industry, MgCO₃ is employed as a food additive (anti-caking agent, acidity regulator) — for example in table salt or powdered mixes — ensuring free-flowing properties and preventing clumping. In cosmetics and personal care, it serves as a powder base (e.g., for talc substitutes, soaps, toothpaste) thanks to its absorbent, flow‑controlling, and mildly abrasive properties. In industrial applications, magnesium carbonate is used as a filler or reinforcing agent in plastics and rubber, as a smoke suppressant, as component in fireproofing or refractory materials, and as drying or insulating agent. Its multi‑industry utility makes it a widely adopted and commercially important chemical.

Track Magnesium Carbonate price trend and forecast in top 10 leading countries worldwide.

Magnesium Carbonate Price Trend and Forecast

Ganesha LG ― Analyst – Cost – Product Engineering Wesco ―

Elizabeth Taluga ― Category Manager Leading Paint Manufacturer ―

Gabino Isla ― Director Feno Resinas ―

Ganesha LG
― Analyst – Cost – Product Engineering Wesco ―

Elizabeth Taluga
― Category Manager Leading Paint Manufacturer ―

Gabino Isla
― Director Feno Resinas ―