Description
WC-CO TUNGSTEN CARBIDE PLANETARY MILL JAR 50ML-25L HRA 93 NANO GRINDRESEARCH GRADE MATERIAL
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
This jar requires exclusive pairing with WC-Co cemented carbide grinding balls to prevent wall scratching and sample contamination. It is incompatible with hydrofluoric acid, concentrated strong alkalis, lithium battery materials, high-purity electronic ceramics, and trace element detection samples due to trace metal release.
- Grinding Media Pairing: Only WC-Co cemented carbide grinding balls of matching grade must be used to avoid severe jar wall wear and debris contamination.
- Chemical Compatibility: The jar resists weak acids, weak alkalis, and most organic solvents but must not be exposed to hydrofluoric acid or concentrated strong alkalis for long-term immersion.
- Thermal Shock Avoidance: Direct water cooling after high-temperature grinding is prohibited as rapid thermal shock can cause invisible cracking and accelerated degradation.
- Mechanical Integrity: Severe impact or dropping must be avoided; damaged jars showing inner wall scratching, chipping, or edge spalling must be replaced immediately.
- Equipment Compatibility: This jar is designed exclusively for vertical planetary ball mills and must not be used on roller jar mills.
Proper handling ensures maximum jar longevity and prevents sample contamination during ultra-hard material nano-grinding. Follow these steps to avoid thermal shock, mechanical damage, and incompatible material exposure.
Required Equipment: WC-Co cemented carbide grinding balls, Silicone sealing gasket, Soft cloth for cleaning
- Inspect Jar Condition
Inspect the jar interior and exterior for any scratches, chips, or cracks before each use. - Select Appropriate Grinding Media
Select only WC-Co cemented carbide grinding balls of matching grade to prevent wall wear and contamination. - Load Material and Balls
Load the sample material and grinding balls into the jar without exceeding recommended fill volume for optimal milling efficiency. - Secure Sealing Lid
Secure the sealing lid with the silicone gasket to ensure an airtight closure and prevent leakage during operation. - Mount Jar on Mill
Mount the jar onto the vertical planetary ball mill and verify proper clamping before starting rotation. - Allow Natural Cooling After Grinding
Allow the jar to cool naturally to room temperature after high-temperature grinding to avoid thermal shock damage. - Clean Interior After Use
Clean the mirror-polished interior with a soft cloth and mild solvent to remove residual powder without scratching.
How does the density of WC-Co grinding jars compare to other materials and what performance advantage does it provide for nano-grinding ultra-hard materials?
WC-Co YG8 jars have a density of 14.5–15.0 g/cm³, the highest among all commercial grinding jars—2.5× zirconia, 4× alumina, and nearly 2× stainless steel. This maximum kinetic energy density enables planetary ball mills to pulverize diamond micropowder, silicon carbide, boron carbide, and cubic boron nitride to nanometer fineness, which conventional ceramic jars cannot achieve.
Which materials should not be processed in WC-Co planetary mill jars due to contamination risks, and what are the recommended grinding media pairings?
These jars are strictly prohibited for lithium battery materials (NCM/LFP), high-purity electronic ceramics, and trace element detection samples because grinding releases trace W and Co metals that will completely compromise these materials. The jar must be paired only with same-grade WC-Co cemented carbide grinding balls; using zirconia, alumina, stainless steel, or agate balls will severely scratch the jar inner wall, generating massive jar debris contamination.
What are the critical handling and operational precautions to avoid damage or contamination when using WC-Co jars in high-speed planetary ball milling?
Avoid rapid thermal shock—direct water cooling after high-temperature grinding can cause internal stress and invisible cracking. Avoid severe impact or dropping, which can produce hidden cracks despite the jar's superior toughness. Replace damaged jars immediately if inner wall scratching, chipping, or edge spalling is observed, as tungsten and cobalt debris release increases dramatically at damage sites. These jars are exclusively for vertical planetary ball mills, not roller jar mills.
The Atomfair WC-Co planetary mill jar offers the highest density among commercial grinding jars (14.5-15.0 g/cm³) for maximum impact energy on ultra-hard materials, with high toughness to resist cracking. However, it requires exclusive WC-Co ball pairing and is unsuitable for samples sensitive to trace tungsten and cobalt contamination.
Positive
- Highest density for maximum kinetic energy: With density 14.5-15.0 g/cm³ (2.5× zirconia, 4× alumina), this jar delivers unparalleled impact crushing power for nano-scale grinding of ultra-hard materials like diamond and SiC.
- High hardness with exceptional toughness: HRA 88-93 hardness combined with bending strength ≥2800 MPa prevents edge chipping and cracking under high ball-to-powder ratios and high rotation speeds, outperforming brittle ceramic jars.
Trade-offs
- Trace metal contamination risk: Grinding releases trace W and Co metals, making this jar unsuitable for lithium battery materials, high-purity electronic ceramics, or trace element detection samples.
- Mandatory media and chemical restrictions: Only WC-Co grinding balls can be used; other materials cause jar wear. Additionally, avoid HF, concentrated strong alkali, rapid thermal shock, and severe impact to prevent degradation.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
