High Purity Alumina Ceramic Mortar and Pestle Set for Lab Grinding

ADCERAX supplies alumina mortar and pestle sets in standard alumina mortar and pestle sets that cover typical lab capacities from about 50 mL to 500 mL, with wall thickness and pestle head geometry tuned for manual grinding. For projects needing larger or special cavity shapes, ADCERAX can manufacture alumina mortar and pestle sets according to drawings, combining the target inner diameter, volume and surface finish with the required Al₂O₃ grade.

Catalog No. AT-YHL-YB001
Material ≥ 96% Al2O3
Maximum working temperature up to 1730°C(99.7%)
Thermal Conductivity ≤ 0.035 W/m·K @1000°C
Bulk density 3.7–3.9 g/cm³
24H Standard Dispatch
Small Batch Support OEM
Factory Direct
Expert Engineering Support

This alumina mortar and pestle set offers excellent chemical inertness, repeatable performance for sample particle reduction, and thermal resistance for high-temperature grinding processes. It serves analytical chemistry labs, material science institutes, metallurgical test centres and advanced ceramic R&D departments.

Alumina Mortar and Pestle Benefits

  • Stable grinding surface: Dense alumina mortar and pestle structure keeps roughness stable over repeated use, helping maintain similar particle size distributions between batches.

  • Low contamination design: High Al₂O₃ content and low porosity reduce material transfer from the mortar and pestle to the sample compared with porous ceramics or metallic tools.

  • Resistance to acids and alkalis: The alumina mortar and pestle can be used with many common acid and alkali cleaning solutions without rapid surface degradation, which supports frequent washing cycles.

  • Thermal stability for heated grinding: Suitable alumina grades allow the mortar and pestle to work in elevated temperature environments, such as pre-heated powders or hot drying steps in sample preparation.

  • Consistent fit between mortar and pestle: Controlled tolerances on diameter and pestle head enable even pressure distribution during grinding, which makes manual work more predictable for operators.

Al2O3 Mortar and Pestle Properties

Property Unit 99.5% Al₂O₃ 99.6% Al₂O₃ 99.7% Al₂O₃ 99.8% Al₂O₃ 99.9% Al₂O₃ 99.99% Al₂O₃
Alumina content % 99.5 99.6 99.7 99.8 99.9 99.99
Density g/cm³ 3.89 3.91 3.92 3.93 3.94 3.98
Open porosity % 0
Color Ivory Ivory Ivory Ivory Ivory Ivory
Water absorption % 0 0 0 0 0
Young’s modulus (Elastic modulus) GPa 375 356 357 358 359 362
Shear modulus GPa 152
Bulk modulus GPa 228
Poisson’s ratio 0.22
Compressive strength MPa 2600 2552 2554 2556 2558 2570
Flexural strength MPa 379 312 313 314 315 320
Fracture toughness MPa·m¹ᐟ² 4
Hardness GPa 14.1 (≈1440 kg/mm²) 23 24 25 26 30
Thermal conductivity W/m·K 35 32–37 33–38 34–39 35–40 36–42
Thermal shock resistance ΔT °C 222 223 224 225 228
Maximum use temperature (no load) °C ≤1750 1755 1760 1765 1770 1800
Coefficient of thermal expansion 10⁻⁶/°C 8.4
Specific heat J/kg·K 880
Volume resistivity Ω·cm >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴ >1×10¹⁴
Dielectric constant (relative permittivity) 9.8 9.83 9.84 9.85 9.86 9.92
Dielectric strength kV/mm 16.9 23.2 23.4 23.6 23.8 24
Dissipation factor (loss factor @ 1 kHz) 0.0002

 

Alumina Mortar and Pestle Specifications

Alumina Mortar and Pestle
Item NO. Outer Diameter(mm) Inner Diameter(mm) Bottom Diameter(mm) Height(mm) Pestle Length(mm) Wall Thickness(mm) Total Weight(kg) Capacity(ml)
AT-YHL-YB001 60 45 35 28 65 6.5 0.13 18
AT-YHL-YB002 80 60 45 35 92 7.5 0.33 45
AT-YHL-YB003 100 80 63 45 105 8.5 8.5 115
AT-YHL-YB004 130 106 79 60 120 9.5 9.5 280
AT-YHL-YB005 160 125 85 65 165 13 13 450
AT-YHL-YB006 220 175 123 85 195 15 15 1300
AT-YHL-YB007 255 210 135 100 225 17 17 1700
AT-YHL-YB008 305 260 155 125 245 13 13 4000

 

Alumina Mortar & Pestle Packaging

  • Each alumina mortar and pestle set is individually wrapped with cushioning to limit contact and reduce chipping during transport.

Alumina Mortar & Pestle Packaging

Alumina Mortar and Pestle Applications

  • Analytical & Research Laboratories

    ✅Key Advantages

    1. Stable baseline for elemental analysis: Alumina mortar and pestle introduces limited additional elements into the sample, supporting trace and major element analysis.

    2. Consistent grinding behaviour: The dense grinding surface helps operators achieve comparable fineness from batch to batch during sample preparation.

    3. Suitable for mixed sample types: One alumina mortar and pestle size can handle minerals, inorganic salts and many organic solids under standard lab protocols.

    ✅ Problem Solved

    A multi-user university laboratory replaced mixed porcelain and glass sets with alumina mortar and pestle sets for solid sample preparation. Over one academic year, the technical team recorded fewer chipping incidents and reduced repeated grinding caused by inconsistent particle size. In addition, staff reported lower visible abrasion of the grinding surfaces after several hundred uses per set, which supported more stable calibration curves across different student groups.

  • Chemical & Pharmaceutical Industry Labs

    ✅Key Advantages

    1. Compatible with many reagents: Alumina mortar and pestle surfaces can be cleaned using a range of common acid or solvent protocols without rapid wear.

    2. Supports repeated QA/QC cycles: Durable grinding surfaces help maintain performance under daily QC sample preparation for in-process and finished products.

    3. Adaptable capacity range: Medium-size alumina mortar and pestle sets can handle typical QA sample masses without frequent refilling.

    ✅ Problem Solved

    A chemical plant QC laboratory previously used small porcelain mortars that wore quickly and sometimes introduced visible chips into pigment samples. After switching to alumina mortar and pestle sets with comparable volume, the lab reported a reduction in visible foreign particles in ground samples and fewer interruptions to replace damaged tools. This helped maintain test throughput in periods of high production load while holding consumable budgets within planned levels.

  • Materials & Ceramics R&D /QC

    ✅  Key Advantages

    1. Handles harder powders: Alumina mortar and pestle can grind many ceramic and metallic oxide powders that are demanding for glass tools.

    2. Heat resistance for hot powders: The ceramic body can tolerate pre-heated powders or nearby heat sources within typical alumina working temperatures.

    3. Compatible with subsequent sintering tests: Using alumina during preparation reduces mismatched contamination before high-temperature tests.

    ✅  Problem Solved

    A ceramics R&D group developing new alumina-based compositions required frequent manual grinding of small powder batches. Their previous steel tools produced unwanted metal traces detected during chemical analysis. Adopting alumina mortar and pestle sets reduced detectable metallic contamination in the final test bodies and aligned better with the composition of their prototype materials, allowing cleaner interpretation of sintering and phase development results.

 

Alumina Mortar and Pestle Usage Instructions

  • Installation /Receiving

    1. Inspect each alumina mortar and pestle set upon arrival for cracks, edge chips or obvious surface defects before first use.
    2. Rinse and dry the new alumina mortar and pestle to remove any remaining machining or packaging dust.

  • Using the Alumina Mortar and Pestle

    1. Fill the alumina mortar to roughly one-third to one-half of its volume for efficient manual grinding.
    2. Apply moderate, even pressure with the pestle, moving it in circular or pressing motions rather than striking the surface.
    3. When processing different sample types, use separate alumina mortar and pestle sets or perform thorough cleaning between runs to limit cross-contamination.

  • Storage

    1. Store clean, dry alumina mortar and pestle sets on stable shelving with padding between stacked items to prevent rim contact.
    2. Avoid placing heavy objects directly on top of the mortar or pestle to protect the ceramic from point loads.

  • Cleaning

    1. Remove loose powder with a soft brush before washing to reduce abrasion during cleaning.
    2. Clean the alumina mortar and pestle using suitable detergents or laboratory cleaning agents compatible with alumina; rinse thoroughly with deionized water and dry completely.
    3. For persistent residues, use appropriate mild abrasives or ultrasonic cleaning where available, taking care not to excessively polish the grinding surface.

  • Precautions

    1. Do not subject the alumina mortar and pestle to sudden temperature changes, such as moving directly from a hot plate into cold water.
    2. Avoid hitting the pestle against the rim; concentrate grinding forces at the bottom or slightly up the side wall.
    3. Do not use the alumina mortar and pestle as a support in mechanical presses or unintended fixtures.

  • Common User Issues & Solutions

    1. Issue: Powder is not ground uniformly.
    Solution: Reduce batch size in the alumina mortar and pestle, apply consistent circular motion and check that the pestle head fully contacts the grinding zone.

    2. Issue: Visible scratches appear quickly on the grinding surface.
    Solution: Pre-crush very hard or large particles with suitable tools before loading them into the alumina mortar and pestle, and remove foreign metal parts from the sample.

    3. Issue: Residual stains remain after cleaning.
    Solution: Use a compatible chemical cleaning step targeted at the sample type, followed by a controlled mild abrasive cleaning, and assign dedicated alumina mortar and pestle sets to heavily staining materials.

FAQ – Alumina Mortar and Pestle

  1. Q: What is an alumina mortar and pestle used for in the laboratory?
    A: An alumina mortar and pestle is used to manually grind and mix solid samples, such as powders, crystals or pellets, to prepare them for chemical analysis, materials testing or teaching experiments.
  2. Q: Why choose an alumina mortar and pestle instead of porcelain or glass?
    A: An alumina mortar and pestle offers higher hardness, lower porosity and better resistance to many acids and alkalis than porcelain or glass, which can reduce contamination and extend usable life in routine lab work.
  3. Q: What purity of alumina is used in ADCERAX alumina mortar and pestle sets?
    A: Alumina mortar and pestle sets typically use alumina grades in the 97–99.7% Al₂O₃ range; higher grades can be discussed if your application requires stricter contamination control.
  4. Q: How much sample can one alumina mortar and pestle process at a time?
    A: A standard 80–100 mm inner diameter alumina mortar and pestle usually handles around 50–250 mL of loose powder per batch; larger custom sets can be specified for higher sample loads.
  5. Q: What is the maximum temperature for an alumina mortar and pestle?
    A: Depending on the alumina grade, alumina mortar and pestle sets can generally be used up to about 1500–1700°C in suitable laboratory conditions, provided heating and cooling rates are controlled.
  6. Q: Can an alumina mortar and pestle be used for very hard materials?
    A: Alumina mortar and pestle sets can grind many ceramic, mineral and oxide powders because alumina ceramics are highly wear-resistant, but extremely hard or abrasive materials may still require pre-crushing or mechanical mills.

Alumina Mortar and Pestle Review

  • ⭐️⭐️⭐️⭐️⭐️
    We integrated ADCERAX alumina mortar and pestle sets into our inorganic sample preparation line. The surface has stayed stable after months of daily use, and the low contamination is suitable for our elemental analysis work.
    -- Dr. Michael Harris, Lab Manager, Northshore Analytical Services
  • ⭐️⭐️⭐️⭐️⭐️
    As a distributor we needed a consistent alumina mortar and pestle supplier with both standard sizes and custom options. ADCERAX provided clear drawings, stable pricing and packaging that withstands our regional shipping network.
    -- Elena Rossi, Purchasing Specialist, EuroLab Supplies GmbH
  • ⭐️⭐️⭐️⭐️⭐️
    The high purity alumina mortar and pestle sets from ADCERAX have helped us reduce metal interference in our ceramic powder studies. Custom pestle dimensions matched our existing fixtures, so the transition was straightforward.
    -- Kenji Yamamoto, Senior Scientist, Advanced Ceramics R&D Center
  • ⭐️⭐️⭐️⭐️⭐️
    We use alumina mortar and pestle sets in QC to grind pigments and additives. The wear resistance and predictable grinding behaviour made it easy to standardize our preparation steps across shifts.
    -- Sarah Lee, Quality Control Supervisor, ChemPro Manufacturing
customize size

Custom Alumina Mortar and Pestle Supplier

For alumina mortar and pestle users who need tighter tolerances or non-standard geometries, ADCERAX offers drawing-based customization so that each set aligns with your protocols and fixtures. Customized alumina mortar and pestle sets can be produced in medium or larger batches for OEM laboratory equipment or distributor lines.

  • Inner & outer diameter: Custom ID/OD from approx. 40–200 mm with defined tolerances.

  • Overall height & depth: Adjusted to match existing lab tools, shelves, or holders.

  • Working volume: Approx. 30–1000 mL based on mortar geometry.

  • Wall thickness: Lightweight design or thick-wall structure for higher strength.

  • Pestle length & handle shape: Standard or extended length with ergonomic grip.

  • Pestle head diameter & profile: Flat, curved, rounded, or tapered head options.

  • Grinding surface finish: As-fired, light ground, or controlled roughness.

  • Outer surface finish: Raw, fine ground, or polished for easy cleaning.

  • Alumina purity grade: ≥96%, ≥99.5%, or ≥99.7% Al₂O₃ available.

  • Edge & rim design: Rounded, chamfered, or reinforced lip to reduce chipping.

  • Fit clearance: Controlled mortar–pestle matching for stable grinding.

Related Products

ADCERAX - Your Trusted Advanced Ceramics Manufacturing Partner

Direct factory manufacturing with comprehensive ceramic materials expertise and global supply capabilities

Direct Factory Manufacturing

China-based ceramic materials production facility with state-of-the-art equipment

Engineering Team

Experienced professionals in advanced ceramics applications and custom design

Quality Control

Strict quality control standards for technical ceramics manufacturing and quality management

Global Supply Chain

Serving customers worldwide with technical ceramics and rapid response

24/7 Technical Support

Round-the-clock support for ceramic components inquiries and technical assistance

500+ Satisfied Customers

Trusted by global customers for advanced ceramic materials and precision components

Get in touch with us

Our team will be happy to respond to you in less than 24 hours.

Adcerax's factory

Quick Quotation

*Our team will answer your inquiries within 24 hours.

*Your information will be kept strictly confidential.

Ready to Solve Your Engineering Challenge?

Partner with ADCERAX for reliable, high-performance advanced ceramic solutions. Our engineers are ready to discuss your project.

E-mail

info@adcerax.com

Phone

+(86) 0731-74427743 | WhatsApp: +(86) 19311583352

Response Time

Within 24 hours

Quick Quote

The more details you provide, the faster we can quote.

*We respond within 24 hours. All inquiries are confidential.

Download Catalog

Get Your Custom Sulution

The more details you provide, the faster we can respond.

customize size

*We respond within 24 hours. All inquiries are confidential.

Download Catalog