What Is The Price Of Industrial Silicon Powder 200 Mesh ?

What Is The Price Of Industrial Silicon powder 200 mesh ?

Today's price of industrial silicon powder in China
Note: Yuan/ton
Specification	Quotation	rise and fall	Transaction price	rise and fall
553 (16-200 mesh)	9700-10400	--	9500-10300	--
Si≥99% (16-200 mesh)	9800-10400	--	9600-10300	--

What is the difference between 200-mesh and 325-mesh silicon metal powder?

Difference Between 200-Mesh and 325-Mesh Silicon Metal Powder​

Silicon metal powder, including metal silicon powder, Si Metal Powder, and Silicon Metal Powder Si 99%, is categorized by mesh size to meet diverse industrial needs. Two common specifications-200-mesh​ and 325-mesh-differ significantly in particle size, morphology, and application suitability. Understanding these differences is critical for selecting the right grade for processes like metallurgy, chemicals, or electronics.

1. Particle Size & Distribution​

Mesh size refers to the number of openings per inch in a screening mesh: a higher mesh number indicates finer particles.

200-Mesh Silicon Metal Powder: Particles range from 74 to 44 microns​ (0.074–0.044 mm). It has a broader size distribution, with some larger agglomerates and a mix of fine and medium particles.

325-Mesh Silicon Metal Powder: Particles are finer, ranging from 44 to 37 microns​ (0.044–0.037 mm). It offers a narrower, more uniform particle size distribution, with minimal oversized particles.

2. Morphology & Surface Area​

200-Mesh: Coarser particles have a lower specific surface area (~1–3 m²/g), resulting in slower reaction rates in processes like alloying or sintering.

325-Mesh: Finer particles exhibit a higher specific surface area (~3–5 m²/g), enhancing reactivity and enabling faster dissolution or mixing in applications like chemical synthesis or powder metallurgy.

3. Purity & Grade Variations​

Both mesh sizes are available in Tech Grade Silicon Powder​ (technical grade, 95–99% Si) and Industrial Silicon Powder​ (industrial grade, 90–95% Si), as well as high-purity Silicon Metal Powder Si 99%​ (≥99% Si). However:

325-Mesh​ is more commonly used for high-purity applications (e.g., Silicon Metal Powder Si 99%) due to its finer particles, which reduce impurity segregation and improve homogeneity in final products.

200-Mesh​ is often preferred for bulk industrial uses (e.g., steel deoxidation) where ultra-high purity is unnecessary, as its coarser particles are more cost-effective.

4. Key Applications​

Mesh Size​	Typical Applications​	Relevant Keywords​
200-Mesh​	- Steelmaking (deoxidizer, alloying agent) - Cast iron inoculation - Low-cost aluminum-silicon (Al-Si) casting alloys	Industrial Silicon Powder, Tech Grade Silicon Powder
325-Mesh​	- High-purity aluminum alloys (e.g., 4032, 6061) - Chemical synthesis (silicones, polysilicon precursors) - Powder metallurgy (sintered parts) - Solar-grade silicon production	Silicon Metal Powder Si 99%, Si Metal Powder, Metal Silicon Powder

5. Processing & Handling​

200-Mesh: Easier to handle and less prone to dust generation, making it suitable for bulk handling in steel mills or foundries.

325-Mesh: Requires more careful handling (e.g., sealed containers) due to finer particles, which increase dust formation and potential inhalation risks.

6. Cost Implications​

200-Mesh: Generally cheaper due to simpler grinding and screening processes.

325-Mesh: Higher cost, driven by additional milling steps to achieve finer particles and stricter quality control for uniform size distribution.

Summary Table: 200-Mesh vs 325-Mesh Silicon Metal Powder​

Parameter​	200-Mesh Silicon Metal Powder​	325-Mesh Silicon Metal Powder​
Particle Size​	74–44 microns	44–37 microns
Surface Area​	Low (~1–3 m²/g)	High (~3–5 m²/g)
Purity Preference​	Industrial/Tech Grade (90–99% Si)	High-purity (≥99% Si, e.g., Silicon Metal Powder Si 99%)
Key Applications​	Steel deoxidation, cast iron, bulk alloys	High-purity alloys, chemicals, powder metallurgy
Cost​	Lower	Higher

Conclusion​

The choice between 200-mesh and 325-mesh silicon metal powder​ depends on the required particle size, reactivity, and application. 200-mesh​ excels in cost-effective bulk metallurgy, while 325-mesh​ is ideal for high-purity, high-performance applications where fine particle size and uniformity are critical. Both grades play vital roles in industries relying on metal silicon powder​ for alloying, chemical synthesis, and advanced materials production.