In precision experiments such as lithium-ion battery R&D, perovskite research, organometallic synthesis and material characterization, insufficient powder purity, uneven particle size and impurity introduction during sample preparation are key challenges leading to poor repeatability, sample loss and distorted test results. Conventional metal grinders risk metallic contamination; mechanical crushing may over-grind samples; manual grinding brings large particle-size deviations, which severely hinder high-precision research workflows.

Benefiting from the unique physical-chemical properties of natural agate, the agate mortar serves as standard-use equipment for sensitive-material, high-purity and micro-quantity powder preparation. It addresses typical sample-preparation pain points and ensures accuracy and reliability of experiments. Its core advantages are listed below:

1）Zero-metal contamination for superior sample purity Made of high-purity natural agate components with high hardness and excellent chemical stability. No metal leaching; inert to acids, bases and organic reagents. It effectively avoids metallic impurities from ordinary grinding devices and is ideal for air-sensitive materials, high-purity powders and catalytic samples to preserve intrinsic sample purity.

2）Gentle fine grinding to prevent excessive particle damage Different from high-speed violent crushing equipment, this machine adopts conformable gentle grinding. Samples are homogenized under steady compression without destroying crystal structures. Ultra-fine and well-distributed powders are obtained without over-grinding or agglomeration, meeting strict particle-size requirements for perovskite, lithium-battery electrode materials and more.

3）Mirror-polished surface prevents sample carry-over Mirror-polished dense agate surface minimizes powder adhesion. Simple wiping after each run delivers thorough cleaning without complicated operations. It fundamentally reduces cross-contamination and batch-to-batch deviation and greatly improves data consistency for multi-batch comparative tests.

4）Accurate micro-sample preparation for lab-scale tests Optimized for small-volume and precious samples with high material utilization and minimal loss. Well-suited for lab-scale R&D, pilot trials and material analysis in universities and research institutes for high-value specimen processing.

5）Stable operation for outstanding experimental repeatability Precision transmission system delivers smooth run without eccentricity or vibration. Uniform grinding force eliminates humaninduced and mechanical errors compared with manual grinding or ordinary equipment. Particle size and homogeneity remain highly consistent across batches to boost experimental reproducibility.

6）Corrosion-resistant, durable & low-maintenance for versatile lab environments Natural agate features great wear and corrosion resistance, compatible with most solid-sample grinding tasks. Simple and robust mechanical design brings low failure rate and low maintenance cost. It works reliably both in glove-box oxygen-water-free atmospheres and standard laboratory conditions, serving as a long-term essential tool for precision sample preparation.

Powder preparation is the first critical step of precision experiments; sample purity and particle-size homogeneity largely determine experimental outcomes. Targeting drawbacks of conventional processing including contamination, poor particle uniformity, weak repeatability and sample waste, the agate grinder features zero-pollution, high precision, wide compatibility and stable performance. It has become standard auxiliary equipment for lithium-battery, photovoltaic, chemical and mineral-analysis research, offering reliable pre-processing guarantees for diverse high-precision laboratory projects.