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BN1508 Boron Nitride Powder (BN Powder) (CAS No. 10043-11-5)

Catalogue Number BN1508
CAS Number 10043-11-5
Purity 99% or 99.5%
Chemical Formula BN
Form White Powder
Particle Size 3-10 μm, 30-35 μm, or customized

Stanford Advanced Materials is a trusted global supplier of high-performance ceramic materials. Our Boron Nitride Powder features high purity, excellent thermal stability, and electrical insulation, making it suitable for electronics, high-temperature metallurgy, and advanced coatings.

Related Products: Boron Nitride Blank, Boron Nitride Plate, Boron Nitride Tube.

SEE Full Boron Nitride Product List >>

The estimated delivery time of 7 to 14 days applies to standard powders. For other products, delivery times may vary.

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FAQ

What are the benefits of different boron nitride particle shapes, such as platelets versus spherical agglomerates?

The choice depends on your application. Platelet-shaped particles align during processing, providing excellent in-plane thermal conductivity and are ideal for thin coatings or bond lines where larger agglomerates cannot fit. In contrast, spherical agglomerates composed of randomly oriented platelets help improve thermal conductivity uniformly in all directions. These spherical grades also offer better flowability and packing density, making them easier to process.

How do I select the right particle size for my application?

A key rule is to ensure the largest particle size does not exceed the final product's thinnest cross-section, such as a coating thickness. Many formulators achieve optimal performance and particle packing by blending two or more powder sizes with different distributions to create an efficient thermal pathway within the composite matrix.

Why is my mixing process important for selecting a boron nitride grade?

Your mixing shear forces directly determine the suitable grade. Single-crystal platelet grades can withstand high-shear processes such as extrusion. Conversely, spherical and agglomerated grades, which are held together without binders, are designed for low to medium-shear mixing and may disintegrate under high-shear conditions, altering their properties.

What factors should I consider when using boron nitride to improve thermal conductivity?

For thermal management applications, focus on three key factors: the particle size tolerance of your resin system or bond line thickness, whether you need to enhance thermal conductivity in a specific plane or uniformly, and the shear forces involved in your mixing and dispersion process.

How do different grades affect cosmetic formulations?

The primary differences are in particle size and morphology, which impact the visual appearance. While all our cosmetic grades are high-purity and compliant with global heavy metal regulations, finer powders tend to give a matte finish. In contrast, larger platelets can create a more translucent or shimmering effect, as individual crystals are transparent.

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United Kingdom

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    Size

    15-53um

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    • 45-150um
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