Natural agate ball milling jars are used in laboratory planetary ball mills

Guangzhou Zoli Technology Co., Ltd. manufactures high-quality agate grinding jars for ball mills, designed for nanotechnology applications and precision material processing.

Remarks: 1. Size deviation within ±2mm; 2. Agate covered 1mm stainless steel outside as per request

Synergy with High Energy: Planetary ball mills are designed for high-energy grinding. They generate intense forces through the rotation of the planetary disk and the jar itself. Agate's exceptional hardness and wear resistance make it one of the few materials that can withstand this aggressive environment without introducing contamination.

Perfect for Fine and Ultra-Fine Grinding: The primary goal of using a planetary ball mill is often to achieve particle sizes in the micron or even nanometer range. Agate jars are the gold standard for this final stage of fine grinding where purity is paramount.

Contamination Control in Sensitive Analysis: As mentioned, planetary ball milled powders are frequently used in advanced analytical techniques like:

• X-Ray Diffraction (XRD): Where foreign crystalline phases (like metal from a stainless steel jar) would create false peaks.
• X-Ray Fluorescence (XRF): Where trace metal contamination would skew the elemental analysis results.
• ICP-MS/OES: Where even part-per-billion levels of contamination can ruin an analysis.

• Brittleness: The high-energy impacts in a planetary mill mean that agate jars are more susceptible to cracking if they are dropped or if a single large grinding ball is used without smaller ones. Using a mixture of ball sizes is often recommended to cushion impacts and improve efficiency.
• HF Warning: Agate (SiO₂) must never be used to grind materials containing or with solvents containing Hydrofluoric Acid (HF), as it will severely etch and destroy the jar.
• Load Capacity: The jar should not be filled more than one-third to one-half of its total volume with the combined sample and grinding balls to allow for proper movement and impact.
• Matching Media: For purest results, agate grinding balls must be used inside the agate jar. Using harder balls (like tungsten carbide) will rapidly wear down the jar interior.