Fast
Shipping
Quick,
Simple Ordering
Clear,
Upfront Pricing
Over 30,000
Happy Customers
Exceptional
Customer Service
Industry's Largest
Catalog
40mm Hardened Stainless Steel Grinding Ball
Product Overview This 40mm grinding ball is engineered from high-quality hardened stainless steel, providing superior durability and resistance to corrosion for a wide range of grinding applications. It is designed for use with Fritsch Planetary Mills and other compatible milling equipment.
Function and Application Grinding balls are essential media used within grinding bowls to pulverize, mix, and homogenize materials. When placed in a grinding bowl with a sample and subjected to the high-energy impact of a planetary mill, these balls efficiently reduce the particle size of the material. This 40mm ball is ideal for achieving coarse to medium-fine final particle sizes, making it suitable for applications in geology, chemistry, materials science, and pharmaceuticals.
Optimizing Your Grinding Process Achieving the desired final particle size depends on several factors, including the size, material, and quantity of the grinding balls used.
- Ball Size: As a general rule, larger balls like this 40mm model are effective for breaking down larger particles and achieving a coarser grind. For a finer end product, smaller diameter balls are recommended.
- Ball Quantity: Increasing the number of balls can reduce grinding time and produce a finer particle distribution. However, it is critical not to overfill the grinding bowl. For optimal performance, the total volume of the balls and the sample should not exceed two-thirds of the bowl's capacity, leaving one-third of the space empty to allow for effective movement and impact energy.
- Grinding Material: To prevent contamination and ensure efficient grinding, the grinding media (balls and bowl) should be harder than the sample being processed. For extremely hard samples, consider using tungsten carbide or zirconium oxide grinding media. Note that using balls and bowls of different materials can lead to cross-contamination.
Product Details
- Diameter: 40mm
- Material: Hardened Stainless Steel (Alloy 1.4034/X46Cr13)
- Compatibility: Suitable for use with 500ml grinding bowls.
- Sales Unit: This ball is sold individually. (Note: Balls with a diameter of 3mm or smaller are sold in packs of 100).
Grinding bowls (Classic or Premium) are sold separately.