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| Place of Origin | Hunan, China |
| Brand Name | KINGDA |
| Model Number | For FRITSCH Vibrating Cup Mill PULVERISETTE 9 |
50mL Agate Milling Bowls with Grinding Mortar used for fritsch ball mill
for comminution of soft to medium-hard, brittle, fibrous samples
General material specification:
Material: agate - SiO2
Abrasion resistance: good
Suitable for: soft, medium-hard, brittle, fibrous samples
Detailed information about the material you will find in the element analysis.
Agate grinding set with agate mortar and agate ring
| General specifications | |
| Material | Agate – SiO2 |
| Chemical composition | |
| Element | Share % |
| Silicon oxide– SiO2 | 99.9 |
| Aluminium – Al2O3 | < 0.02 |
| Iron oxide – Fe2O3 | < 0.02 |
| Calcium oxide – CaO | < 0.02 |
| Magnesium oxide – MgO | < 0.02 |
| Sodium oxide – Na2O | < 0.02 |
| Potassium oxide – K2O | < 0.02 |
| Manganese oxide – MnO | < 0.02 |
| Physical and mechanical properties | |
| Density | 2.65 g/cm³ |
| Hardness | 6.5 – 7 Mohs |
Our suggestion: Grinding sets with high density, e.g. hardened steel jar or tungsten carbide milling jars, shorten the grinding time.
Agate is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony, alternating with microgranular quartz. It is characterized by its fineness of grain and variety of color. Although agates may be found in various kinds of host rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks. Kingda Ceramics' agate is mainly imported from Brazil.
We have mass-produced various types of ball mill jars for Retsch and Fristch from Germany brand.
For Retsch grinding jar: 50ml,80ml,125ml agate, zirconium oxdie, alumina oxide, tungsten carbide grinding jar for Retsch planetary bal mill PM100, PM100CM, PM200, PM 400; 25ml,35ml,50ml zirconia oxide ,tungsten carbide jars for Retsch Mix mill MM 500; 50ml,100ml,250ml,agate, zirconia oxide and tungsten carbide for Retsch vibratory disc ball mill RS200,RS300.
For Fritsch grinding jar: 250ml and 500ml agate,zirconia,alumina oxide, grinding jar for Fritsch P5/P6,P9.
We have drawings for all the above models of equipment.
We have inventory of all the above ball mill jars. Just let us talk more!
Just let us talk more! whatapp/wechat: +86 153 6787 4686
| Applications | size reduction, mixing,grinding,dispersing, triturating |
| Field of application | construction materials, environment / recycling, geology / metallurgy, glass / ceramics |
| Feed material | medium-hard, hard, brittle, fibrous |
| Size reduction principle | pressure, friction |
| Material feed size* | < 15 mm |
| Final fineness* | < 20 µm |
| Batch size / feed quantity* | 15- 250 ml depending on size of grinding set |
| Volume of Jar |
Outside Diameter (mm) |
Inner Diameter (mm) |
Inner Depth (mm) |
Height of without lid (mm) |
Total Height (mm) |
| 50ml | 65 | 45 | 37 | 49 | 58 |
| 100ml | 73 | 50 | 52 | 62 | 70 |
| 150ml | 90 | 62 | 55 | 70 | 80 |
| 250ml | 93 | 73 | 70 | 80 | 90 |
| 400ml | 105 | 82 | 80 | 93 | 103 |
| 500ml | 104 | 86 | 90 | 100 | 108 |
| 1L | 133 | 107 | 114 | 126 | 140 |
| 1.5L | 167 | 137 | 103 | 118 | 133 |
| 2L | 156 | 130 | 155 | 170 | 188 |
| note: 1. Size deviation within ±0.2-0.5mm; 2:One set includes: jar + lid + rubber sealing gasket. 3. Agate covered 1mm stainless steel outside as per request. | |||||
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.However, the size of grinding
jars and grinding balls should be determined experimentally if necessary.
| Recommendation For Matching Solutions About Mill Jars & Materials | |
| Categories of Materials | Recommended Mill Jars |
| Soil and other Materials which are not allowed with any impurity | Agate mill jar |
| Metal & nonmetal materials which are not allowed with any impurity | Zirconia mill jar |
| High hardness materials like diamond, tungsten carbide | Tungsten carbide mill jar |
| Strong add & alkali materials or other materials at high temperature | PTFE mill jar |
| Iron ore materials with lower impurity sensitivity | 304 Stainless steel mill jar |
| Pigment or other materials with later process under high temperature | Nylon mill jar |
| Aluminum materials like ceramic glaze | Corundum mill jar |
| Electronic materials like lithium battery | Polyurethane mill jar |
| Easily oxidized materials or some special materials which need to be protected under special atmosphere. | Vacuum mill jar |
| Matching Solutions for Mill Jars & Balls | |||||
| Items | Agate Balls | Alumina Balls | Stainless Steel Balls | Zirconia Balls | Tungsten Carbide Balls |
| Agate Mill jar | 1 | ||||
| Alumina/Corundum Mill Jar | 2 | 1 | 2 | ||
| Stainless Steel Mill Jar | 1 | ||||
| Zirconia Mill Jar | 2 | 1 | |||
| Nylon Mill Jar | 2 | 1 | |||
| PTFE Mill Jar | 1 | 2 | |||
| Polyurethane Mill Jar | 1 | 2 | |||
| Tungsten Carbide Mill Jar | 2 | 1 | |||
| 1 means: most suitable , 2 means: suitable | |||||
Detailed Images for 100ml agate grind set with agate grinding mortar fit in Fritsch P9
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