150 Mesh Silicon Metal Powder | Custom Grades & COA

 

150 Mesh Silicon Metal Powder is suitable for applications that require a finer and more controlled powder form than conventional lump silicon. For purchasing, the key points are not only the mesh number, but also the required Si content, Fe / Al / Ca limits and the acceptable particle-size range.

We can discuss different mesh requirements according to your feeding, mixing or downstream processing conditions. Our reference Silicon Metal Powder range includes -150 mesh, -200 mesh, -325 mesh, -400 mesh and -600 mesh, with several Chemical Composition levels available for confirmation.

If you are comparing other Silicon Metal Powder specifications, you can also review our metal silicon powder grades and specifications.

 

 

The following values are reference specifications for our Silicon Metal Powder range. Chemical Composition and Particle Size should be confirmed as separate order requirements rather than assuming that one chemistry row corresponds only to one mesh size.

Product Type	Available Particle Size	Si ≥	Fe ≤	Al ≤	Ca ≤
Silicon Powder for Refractory / Industrial Use	-150 mesh -200 mesh -325 mesh -400 mesh -600 mesh	99.6%	0.20%	0.15%	0.05%
		99.2%	0.40%	0.20%	0.10%
		99.0%	0.40%	0.40%	0.20%
		98.5%	0.50%	0.30%	0.20%
		98.0%	0.60%	0.50%	0.30%
Low-Grade Silicon Powder	-200 mesh / -325 mesh	95–97%	Total impurity content ≤3.0%

For a 150 mesh requirement, the final order should state whether you need material passing 150 mesh or another defined Particle Size distribution. This avoids treating "150 mesh" as a complete physical specification.

 

 

When you send an RFQ for 150 Mesh Silicon Metal Powder, we recommend specifying chemistry and Particle Size separately.

• Si Content: select the required minimum such as 98.0%, 98.5%, 99.0%, 99.2% or 99.6%.
• Fe / Al / Ca: state the maximum limits required by your process.
• Particle Size: state -150 mesh or your required upper and lower Particle Size limits.
• Oversize / Fines: include tolerance requirements if these are part of your receiving standard.
• Batch COA: confirm which Chemical Composition values must be reported before shipment.

This gives us a much clearer basis for production and inspection than a request that only says "150 mesh silicon powder."

 

 

Mesh size changes how Silicon Metal Powder behaves during feeding, mixing, storage and downstream processing. A higher mesh number generally represents a finer powder, but finer material is not automatically the correct choice for every application.

Particle Size	Typical Selection Focus
-150 Mesh	Fine industrial powder where controlled feeding and mixing are required
-200 Mesh	Finer processing where increased powder dispersion is required
-325 Mesh	Fine-powder processing with greater attention to dust and handling
-400 / -600 Mesh	Very fine powder requirements where equipment compatibility and Particle Size control should be confirmed carefully

For this reason, we recommend selecting the mesh from your actual equipment and process conditions instead of simply choosing the finest available material.

 

 

150 Mesh Silicon Metal Powder can be considered for metallurgical, refractory and other industrial processes where a fine silicon-bearing powder is required.

150 Mesh Silicon Powder for Metallurgical Processing

In metallurgical operations, Silicon Metal Powder can be used where the process requires a powdered silicon source for controlled addition, blending or further material preparation. The correct mesh should match the feeding method and process conditions.

150 Mesh Silicon Powder for Refractory Materials

Silicon powder is also used in refractory formulations. In this case, both Chemical Composition and Particle Size distribution can influence how the powder integrates with other raw materials, so the selected mesh should follow the refractory formulation rather than a general-purpose recommendation.

Finer Silicon Metal Powder for Chemical Processing

Some chemical processing routes require finer silicon powder to increase contact between the silicon material and other reactants. The required Particle Size should be defined from the actual reaction and equipment requirements.

 

 

 

 

For customized Silicon Metal Powder, we confirm the Chemical Composition and Particle Size requirements before production rather than treating every powder order as the same material.

If the mesh specification is critical to your process, the purchase requirement should clearly define the expected size range and any oversize or fines limits. Chemical Composition requirements can be aligned with the agreed Batch COA.

Before shipment, we can also confirm packing, batch identification and document requirements so the supplied material follows the same specification basis used in the quotation.

 

 

With more than 30 years of experience in metallurgical materials, we integrate production, processing and international supply. Our operations include two production bases covering 30,000 m², supported by testing laboratory capability and more than 150,000 tons of annual production capacity across our metallurgical materials business.

Our team includes 200+ professionals and 50+ R&D personnel, and we serve more than 100 countries. For export orders, COA, Certificate of Origin, MSDS and related export documents can be provided according to order requirements.

SGS, BV or Intertek third-party inspection can also be arranged when required. For customized Silicon Metal Powder, our main focus is confirming the mesh, chemistry and inspection basis before shipment.

 

 

Q1: What does -150 mesh Silicon Metal Powder mean?
It normally indicates a powder controlled relative to a 150-mesh sieve requirement. For purchasing, the exact Particle Size basis and any oversize or fines tolerance should be confirmed rather than relying only on the words "150 mesh."

Q2: Can you customize Silicon Metal Powder finer than 150 mesh?
The current reference range includes -200, -325, -400 and -600 mesh in addition to -150 mesh. The required size should be confirmed together with Chemical Composition before quotation.

Q3: Which Si grades are available for fine Silicon Metal Powder?
The current reference chemistry covers Si levels from 98.0% to 99.6%, with different Fe, Al and Ca limits. The applicable grade should be selected from your process requirement.

Q4: Is 325 mesh always better than 150 mesh?
No. A finer powder may provide different dispersion behavior, but it also increases dust and feeding requirements. The correct mesh depends on your equipment and downstream process.

Q5: Can you provide a Batch COA?
COA documentation can be provided according to the agreed order requirement. The Chemical Composition and acceptance limits should be confirmed before the order is finalized.

Q6: What information should I send for a custom Silicon Metal Powder quotation?
Send the required mesh, Si / Fe / Al / Ca specification, application, quantity, packing requirement, destination and inspection documents needed for the order.

 

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