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Hydroxyapatite Micron Powder

Hydroxyapatite (Ca₅(PO₄)₃OH), often abbreviated as HA, is a naturally occurring mineral that makes up the majority of the human bone structure. Its unique properties make it an ideal candidate for a wide range of applications in various industries, particularly the biomedical sector. The utility of hydroxyapatite is greatly enhanced when it’s available as a micron-sized powder. In this article, we delve deep into the Hydroxyapatite Micron Powder, exploring its properties, applications, and its high purity forms.

Fundamental Properties of Hydroxyapatite Micron Powder

Chemical Composition

Hydroxyapatite is a calcium phosphate with the formula Ca₅(PO₄)₃OH. It is the primary form of calcium found in bones and teeth, which provides them with their strength and rigidity.

Physical Properties

  • Color: Typically white or off-white
  • Molecular Weight: 502.31 g/mol
  • Density: 3.16 g/cm³
  • Melting Point: 1,155°C
  • Crystal Structure: Hexagonal


Hydroxyapatite is biocompatible, making it suitable for medical and dental applications without causing any adverse biological reactions.

Significance of the 99.5% Purity Level

The 99.5% purity level indicates that the hydroxyapatite submicron powder contains minimal contaminants. This high level of purity ensures:

  • Enhanced Performance: Greater purity typically means better performance in desired applications due to reduced interference from impurities.
  • Consistency: High purity ensures that the powder behaves consistently across different batches.
  • Safety: Especially in biomedical applications, a high purity level guarantees safety for patients and users.

Applications of Hydroxyapatite Micron Powder

Biomedical Applications

Orthopedics and Dentistry

Hydroxyapatite’s compatibility with the human body makes it the material of choice for orthopedic implants and dental fillings. Its osteoconductive properties promote bone growth and seamlessly integrate with the body.

Drug Delivery

Due to its porous nature, hydroxyapatite can act as a carrier for drugs, allowing for controlled release within the body.


When used as a catalyst, hydroxyapatite micron powder can accelerate specific chemical reactions, improving the efficiency and yield of industrial processes.

Water Purification

Thanks to its high adsorption capacity, hydroxyapatite can be utilized in water treatment plants to remove heavy metals and other impurities.

Hydroxyapatite Micron Powder – The 3µm Size Advantage

The particle size of a material can dramatically influence its properties and effectiveness in various applications. At 3µm, hydroxyapatite micron powder offers:

  • Enhanced Surface Area: Greater surface area allows for better adsorption, making it suitable for applications like water purification.
  • Optimal Consistency: The 3µm size ensures a smooth consistency when formulated into pastes or solutions.
  • Improved Dispersion: Small particle sizes like 3µm tend to disperse more uniformly in mixtures.


Hydroxyapatite micron powder, with a purity level of 99.5% and a particle size of 3µm, offers unparalleled advantages in numerous industries, most notably in the biomedical sector. Its unique properties, coupled with high purity, ensure its continued relevance and utility in innovative applications and solutions for the foreseeable future.

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