A-Grade Agate Grinding Balls

Name: Customized A-Grade Agate Grinding Balls Suppliers - Free Sample - KINGDA
Brand: Kingda
SKU: 137135208

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Product Details

Introduction of Agate Balls

High purity natural Brazilian agate (97.26% SiO2) grinding media balls, highly wear-resistant and resistant to acids (except HF) and solvent, these balls are used whenever small quantity of samples need to be grinded without contamination. Different sizes of agate grinding balls available: 3mm to 20mm. The grinding media balls are extensively applied to in the fields of Ceramics, Electronics, Light Industry, Paint, Ink, Medicine, Food, Geology, Chemical Engineering and so on.

Features of Agate Balls

1. High purity, low contamination to the samples

2. High cost-effective, low wear and long lifetime

3. High specific gravity, high grinding efficiency

4. Highly wear resistant to acid and solvents

5. Highly polished, smooth, easy to clean, low abrasion to the equipment

6. High mechanical strength, good toughness, impact resistance, no broken beads

7. Mainly used for lab planetary ball mill machine

Technical Data

Product	Agate balls
Item No.	DECO-B-SIO
Main Material	Agate -SiO2
Shape	Sphere
Optional Ball Sizes	6/ 8/ 10/ 15/ 18/ 20/ 25/ 30 mm
Density	2.65 g/cm³
Color	Ivory white or gray
Hardness	7.2~7.5 Mohs
Abrasion Resistance	Good
Compatible Samples	Soft to medium-hard samples
Compatible Ball Mill Jars	Agate jar/ PA jar/ PP jar/ PU jar/ PTFE jar/ HDPE jar

Element Analysis

General Specification
Main Material	SiO₂
Chemical Composition
Element	Share %
SiO₂	97.26
MgO/ CaO/ Mn₂O₃	2.74

Number and Size of the Balls

1. Pregrinding the coarse, hard material with large balls

2. Use of many small balls will increase the fine fraction if the running time is increased

3. A higher mass (spec. weight) of the grinding balls will accelerate the grinding

4. Size of the Grinding Balls

Type of feed material	Ball diameter
Hard samples feed particle size <10 mm	30 mm or 40 mm
Medium piece size (<5 mm)	20 mm
Fine material (0.5 mm)	10 mm or 5 mm
Homogenisation of dry or liquid samples	10 mm
Homogenisation of viscous samples	20 mm

These are just clues: the size of grinding jars and grinding balls should be determined experimentally if necessary.

Choice of Grinding Jars & Balls

In order to prevent excessive abrasion, the hardness of the grinding jars used and of the grinding balls must be higher than that of the material used. Normally, grinding jars and grinding balls of the same material should be chosen.

Grinding Jar Ball Configurations (Agate Balls)

Grinding Jar Volume	100ml	250ml	500ml	1000ml
Compatible Ball Weight	100g	250g	500g	1000g
Dia5mm Grinding Balls (0.17 g/pc)	118 pcs	294 pcs	589 pcs
Dia10mm Grinding Balls (1.39 g/pc)	36 pcs	90 pcs	180 pcs	144 pcs
Dia15mm Grinding Balls (4.68 g/pc)	7 pcs	16 pcs	32 pcs	107 pcs
Dia20mm Grinding Balls (11.10 g/pc)				27 pcs

These values are just clues: the number of balls should be determined experimentally if necessary.

Shipment

1. By FedEx /DHL /UPS /TNT /EMS door to door services.

2. By Air or by Sea for batch goods; for FCL. You'll have to pick up the goods at the airport or port.

3. Customers specifying freight forwarders or negotiable shipping methods are available.

4. Lead time: 3 to 5 days for regular products.

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