Organic Calcium Carbonate Powder
Organic Calcium Carbonate Powder suppliers

Organic Calcium Carbonate Powder

Calcium Carbonate Content:≥ 96% - 98%
Calcium Oxide Content:≥ 54% - 55%
Iron Oxide Content:≤ 0.03% - 0.05%
Magnesium Oxide Content:≤ 0.5% - 1.0%
Silicon Dioxide Content:≤ 1.0% - 2.0%
Whiteness:≥ 85% - 90%
Moisture:≤ 0.5%

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Product Introduction

Green and Sustainable for Eco-Friendly Production

We present our organic calcium carbonate powder. This product reflects our commitment to "green" and environmentally friendly production. We use low-iron limestone as our raw material, which undergoes strict sorting, crushing, screening, and washing. Our factory is certified with ISO9001, ISO14001, and ISO45001, and we maintain a comprehensive quality management system. We do not merely supply raw material; we actively support your green production goals. Our organic calcium carbonate powder is a sustainable choice.

Key Specifications and Environmental Focus

We strictly control iron and heavy metal content, ensuring the product is pure and safe for use in organic agriculture and environmental protection. The table below shows our key specifications. By using only low-iron limestone ore, we guarantee quality from the very beginning. Testing is conducted according to GB/T 19281-2014 to ensure that calcium carbonate content meets the standard. Low iron content is our core advantage, providing higher purity and enhanced safety. Our organic calcium carbonate powder is produced with environmental responsibility in mind.

Parameter	Technical Index	Our Advantage & Guarantee
Product Name	Low Iron Limestone Sand	We only use low-iron limestone ore to guarantee quality from the start
Calcium Carbonate Content	≥ 96% - 98%	Tested according to GB/T 19281-2014 to ensure content meets the standard
Calcium Oxide Content	≥ 54% - 55%	Ensures stable calcium content, calculated from CaCO₃ content
Iron Oxide Content	≤ 0.03% - 0.05%	Our core advantage-low iron ensures higher purity and safety
Magnesium Oxide Content	≤ 0.5% - 1.0%	Strictly controlled, an important indicator for organic products
Silicon Dioxide Content	≤ 1.0% - 2.0%	Maintained at a low level through careful raw material selection
Whiteness	≥ 85% - 90%	Verified with a whiteness meter to ensure a clean white appearance
Moisture	≤ 0.5%	Strictly controlled to ensure product flow and prevent caking

Versatile Applications for Green Industries

Organic calcium carbonate powder is widely used in organic agriculture, environmental treatment, and high-end fillers. Our 8–16 mesh size is suitable for organic farms to improve acidic soil. The 30–50 mesh size is ideal for fruit growers preparing organic fungicides. The 50–80 mesh size reacts quickly and is effective in treating acidic wastewater. The 80–120 mesh size disperses well and can improve the rigidity of plastic products.

We offer custom gradation and can adjust particle size and packaging to meet your specific needs. Heavy metal testing is performed on every batch to ensure product safety.

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