Calcium Carbonate Powder for Birds
Calcium Oxide (CaO) Content:≥ 50% – 53%
Magnesium Oxide (MgO) Content:≤ 1.5% – 2.0%
Silicon Dioxide (SiO₂):≤ 2.0% – 5.0%
Ferric Oxide (Fe₂O₃):≤ 0.1% – 0.3%
Moisture:≤ 1.0%
Whiteness:≥ 50% – 70%
Specialized Calcium for Your Feathered Friends
We supply calcium carbonate powder for birds, specially designed for pet birds and bird farming applications. We use high-purity natural limestone as the raw material, which undergoes strict processing including sorting, crushing, screening, and washing.
Our factory was established in 2017 and has extensive experience in calcium-based mineral products. We are more than just a stone powder processor-we are committed to supporting the health and nutrition of animals. Our calcium carbonate powder for birds is a pure, safe, and reliable choice.
Key Specifications and Focus on Safety
We focus on meeting the calcium requirements of birds while ensuring purity, safety, and good digestibility. The table below outlines our main quality indicators.
We select only high-purity natural limestone ore to ensure quality from the source. Testing is carried out according to relevant standards to ensure compliance with calcium carbonate content requirements. Magnesium content is strictly controlled, as it is an important quality factor for bird feed applications.

Technical Parameters
|
Parameter |
Technical Index |
Our Advantage & Guarantee |
|
Product Name |
Limestone sand | High-purity natural limestone ensures quality from the source |
| Calcium Carbonate (CaCO₃) Content | ≥ 90% – 95% | Tested according to relevant standards for stable quality |
| Calcium Oxide (CaO) Content | ≥ 50% – 53% | Stable calcium content derived from controlled CaCO₃ levels |
| Magnesium Oxide (MgO) Content | ≤ 1.5% – 2.0% | Strictly controlled for suitability in bird nutrition |
| Silicon Dioxide (SiO₂) | ≤ 2.0% – 5.0% | Reduced through careful raw material selection |
| Ferric Oxide (Fe₂O₃) | ≤ 0.1% – 0.3% | Controlled to ensure purity and safety |
| Moisture | ≤ 1.0% | Ensures good flowability and prevents clumping |
| Whiteness | ≥ 50% – 70% | Ensures clean appearance and stable quality |
Right Particle Size for Different Birds
Different bird species require different particle sizes for optimal absorption and feeding suitability.
●8–16 mesh: Suitable for large birds such as parrots, often used in pet stores as a calcium supplement.
●16–30 mesh: Suitable for medium-sized birds such as pigeons, commonly mixed into feed.
●30–50 mesh: Suitable for small birds such as finches.
●50–80 mesh: Finer grade, easier for young or weak birds to digest.
We support custom particle size distribution and packaging based on customer requirements. With a monthly capacity of 300,000 tons, we ensure stable supply and can ship standard orders within 3–5 working days.
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