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For research and development scientists pushing the boundaries of material science and engineering, a deep understanding of raw material specifications is non-negotiable. Tungsten powder (CAS 7440-33-7) is a prime example of a material whose performance is critically dependent on precise characteristics. When scientists need to buy tungsten powder for experimental or developmental purposes, discerning the right specifications from a trusted manufacturer is key.
The primary specification for Tungsten powder (CAS 7440-33-7) is its purity, often expressed as an assay percentage. For most advanced applications, purity levels of 99% or higher are required. Manufacturers may offer even higher purities, such as 99.9% or 99.99%, which are essential for highly sensitive applications like sputtering targets or specialized electronic components. A reliable tungsten powder supplier will clearly list the guaranteed purity level and may provide analytical data to support these claims.
Particle size is another critical parameter. Tungsten powder is typically available in various mesh sizes or as a fine powder with specified micron ranges. For example, 100-mesh powder or sub-micron powders have distinct applications. Finer powders generally offer higher surface area, which can be advantageous in catalytic or sintering processes, while coarser powders might be used in specific alloy compositions. Understanding the desired particle size distribution is crucial for achieving the intended material properties in your research. If you plan to purchase tungsten powder, consult with your supplier about the particle size relevant to your experimental setup.
Beyond purity and particle size, other specifications may include bulk density, tapped density, and the levels of trace impurities such as iron, carbon, oxygen, and others. These can significantly influence the sintering behavior, mechanical strength, and electrical conductivity of the final product. When engaging with a tungsten powder manufacturer, it's beneficial to request detailed technical data sheets and Certificates of Analysis (CoAs) to ensure the material meets your specific R&D requirements.
In summary, for R&D scientists looking to buy tungsten powder (CAS 7440-33-7), a thorough review of purity levels, particle size distribution, and trace impurity profiles is essential. Partnering with a reputable tungsten powder supplier that provides detailed specifications and consistent quality will be instrumental in the success of your research and development endeavors.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
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3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
