grayish round grinding pebbles (silica pebbles,hardness>8,SiO2>99.31%)

1 SiO2>99.31% 2 Hardness>8,more than French pebble 3 Our own silica mine&factory 4 Professional manufacturer for 30 years

1. About Silica Pebbles

Name: Silica pebblesOther names: Flint pebbles, Silica grinding pebbles, Silica grinding ballsProperty: Round grayish silica stoneSize: 2-4cm, 4-6cm, 6-8cm, 8-10cm, 10-12cm, 12-15cmApplication: Silica pebbles can be used as a grinding medium for ceramics ball mill. It is suitable for all kinds of ceramic raw materials.Our high silica content flint pebbles are usually used in ceramic or glass industries as a milling & grinding medium. To mill or grind raw materials like sand, kaolin clay, feldspar and other materials in ball mill. Ball mill is a large container in which raw materials and water are mixed and ground into liquid, which will subsequently be sent to a spray dryer via high pressure pump. It is cylindrical in shape and is made of very thick steel sheet. For an economical milling or grinding, flint pebbles must not contain too much iron. Besides, grinding pebbles should be containing high content of silica and a feature of wear-resisting. Our silica flint pebbles are processed into roude shape which will guarantee you a better efficiency in milling process.Chemical composition and physical properties:

SiO2	>=99.31%
Al2O3	<=0.36%
Fe2O3	<=0.018%
Specific weight	>=2.66g/cm3
Hardness mohs	>=8
Porosity	<=0.38%
Actual abrasion rate of pebble	<=1.35
Appearance of pebble	Round(ellipse)
Color of product after burning	Gray and white

2. Our Silica Mine and Factory

Productive process:

Package details:

3. Why buy from Gaoteng

1. Production guarantee--we have our own silica mine which is located in Dalian, China. The mining limitation period is over 30 years.

2. Quality guarantee--our silica pebble has high content of SiO2 which has passed one of our Japanese customer's quality test, which proved that the SiO2 content in our silica pebble is more than 98%.

3. Large output, our silica pebbles has been exported worldwide. In September 2012, two of our Japanese customers have come to visit our mine and factory. They highly admired our product and our work attitude. We welcome any interested customer come to visit us.

4. Our own logistics company will provide you a better sea freigth and prompt delivery.

5. Negotiable package.

6. Negotiable price on large purchase.

Japanese customer's test of Dalian Gaoteng silica pebbles & French pebbles

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5. Contact us

We are professional suppliers of silica products and other related ceramics products. We welcome your phone calls and visits. We speak good English and we offer best and professional service.  

         

grayish round grinding pebbles (silica pebbles,hardness>8,SiO2>99.31%)