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Mohs Hardness 9 Alumina Ceramic Grinding Balls with Wear Loss ≤ 0.01% and Bulk Density ≥ 3.65 g/cm³ for Ultra-Fine Grinding

Name: Mohs Hardness 9 Alumina Ceramic Grinding Balls with Wear Loss ≤ 0.01% and Bulk Density ≥ 3.65 g/cm³ for Ultra-Fine Grinding
Brand: Zibo Huao New Materials Co., Ltd.
SKU: Ceramic Alumina Balls
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: Shandong, China

Brand Name: HUAO

Certification: ISO9001, ISO14001, ISO45001

Model Number: Ceramic Alumina Balls

Payment & Shipping Terms

Minimum Order Quantity: Negotiation

Price: Negotiation

Packaging Details: 25kg/ 50kg/ 1000kg/ 1250kg/Jumbo(BB); Or As Customer's Requirement

Delivery Time: Normally 15 days

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Product Details

Product Description

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                                                                                                                                                                                                                                                Mohs Hardness 9 Alumina Ceramic Grinding Balls, Wear Loss ≤ 0.01% Ceramic Grinding Media, Bulk Density ≥ 3.65 g/cm³ Al2O3 Grinding Balls
                              

Al₂O₃ (%):	≥ 92	Bulk Density (g/cm³):	≥ 3.65
Hardness (Mohs):	9	Wear Loss (%):	≤ 0.01
Water Absorption (%):	≤ 0.01	Color:	White

Al₂O₃ (%):	≥ 92
Bulk Density (g/cm³):	≥ 3.65
Hardness (Mohs):	9
Wear Loss (%):	≤ 0.01
Water Absorption (%):	≤ 0.01
Color:	White

Mohs Hardness 9 Alumina Ceramic Grinding Balls with Wear Loss ≤ 0.01% and Bulk Density ≥ 3.65 g/cm³ for Ultra-Fine Grinding

Mohs 9 Alumina Ceramic Grinding Balls for Ultra-Fine Grinding Applications

Product Overview

HUAO high alumina ceramic grinding balls (AH-92 and AH-95) are high-performance ceramic grinding media specifically designed to replace traditional steel grinding media in demanding particle size reduction processes. These media are made of high-purity alumina, with extremely high hardness (Mohs hardness 9), high packing density, and ultra-low wear loss (≤ 0.01%). HUAO ceramic grinding balls are produced through precision rolling and cold isostatic pressing methods, optimizing grinding efficiency while reducing operational energy consumption and preventing slurry pollution in the ceramic, mining, chemical, and cement industries.

Technical Specifications

Technical Parameter	Unit	AH-92 Grade	AH-95 Grade
Al₂O₃	%	≥ 92	≥ 95
Bulk Density	g/cm³	≥ 3.65	≥ 3.68
Hardness	Mohs Scale	9	9
Wear Loss	%	≤ 0.01	≤ 0.01
Water Absorption	%	≤ 0.01	≤ 0.01
Material Color	--	White	White

Manufacturing Specifications & Dimensions

Rolling Forming Range: 0.5mm < Φ < 50mm

Pressing Forming Range: 13mm ≤ Φ ≤ 90mm

Custom size distributions can be manufactured according to specific client mill requirements.

Key Features

High bulk density (≥ 3.65 g/cm³ for AH-92; ≥ 3.68 g/cm³ for AH-95) delivers greater kinetic impact during mill rotations, significantly reducing grinding retention time.

Exceptional hardness (Mohs 9) and a controlled wear loss rate of ≤ 0.01% extend media service life and eliminate color or heavy-metal contamination in ground materials.

Optimized crystalline microstructures prevent media cracking, spalling, or chipping under high-speed impact in continuous industrial mills.

Lower density relative to steel combined with faster milling kinetics cuts overall power consumption, serving as an energy-efficient solution for large-scale operations.

Manufactured via rolling for fine micro-beads (0.5-50mm) and pressing for larger grinding spheres (13-90mm) to match diverse mill configurations.

Applications

Ceramic Grinding Balls are designed for high efficiency performance in all standard industrial grinding devices, including agitator mills, intermittent ball mills, and high-capacity continuous mills. Widely used for wet and dry grinding of raw materials minerals, glazes, clays, and inorganic chemicals, such as ceramic body and glaze preparation plants, metal and non-metal mining and beneficiation facilities, chemical and pigment processing industries, cement and building material manufacturing.

Why Choose HUAO

HUAO utilizes high-speed rolling granulators and cold isostatic pressing equipment to ensure high sphericity and internal structural density for all diameters. Each production batch must undergo comprehensive physical testing before release, including density, drop impact durability, water absorption, and wear rate. As a direct manufacturer and international B2B exporter, HUAO provides stable bulk supply capabilities, direct pricing, and comprehensive sea freight support.

Customization

HUAO delivers customized media gradation ratios tailored to your target material hardness, slurry density, and product fineness specifications. Packaging configurations include 25kg heavy-duty woven bags, 1000kg/1200kg bulk jumbo sacks with inner polyethylene moisture barriers, and reinforced drums fully palletized for ocean transit.

FAQ

Q1: Are HUAO manufacturing facilities operating under certified management standards?

A1: Yes, HUAO operates in full compliance with certified ISO 9001, ISO 14001, and ISO 45001 management systems, enforcing batch-wise quality control on raw materials and finished ceramic media.

Q2: What is the main operational difference between AH-92 and AH-95 grinding balls?

A2: AH-92 (≥ 92% Al₂O₃, bulk density ≥ 3.65 g/cm³) provides a versatile, cost-effective solution for general ceramic body and glaze milling. AH-95 (≥ 95% Al₂O₃, bulk density ≥ 3.68 g/cm³) offers higher density and greater resistance to severe abrasion, making it preferred for heavy-duty mining and chemical milling.

Q3: What forming method is used for small versus large grinding spheres?

A3: Spheres from 0.5mm to 50mm are produced using precision rolling forming, while spheres from 13mm to 90mm are manufactured via cold isostatic pressing to ensure internal density.

Q4: How do ceramic grinding balls save energy compared to forged steel balls?

A4: Ceramic media have a lower density than steel, reducing the total weight load on mill drives and gearboxes, which significantly lowers electrical power requirements while maintaining rapid grinding rates.

We also provide other alumina products. If you would like to learn more about Calcined Alumina, please click here.

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Mohs Hardness 9 Alumina Ceramic Grinding Balls with Wear Loss ≤ 0.01% and Bulk Density ≥ 3.65 g/cm³ for Ultra-Fine Grinding