| 1.Common quartz sand
and powder£º |
¡¡¡¡The big grain is wrapped by yellow
skin. Main compositions£ºSiO2¡Ý99-99.5%, Fe2O3¡Ü0.06-0.1%.
Annual output is 50,000 tons.
¡¡ Granularity range£º2-150
meshes (10-0.01mm). It can be produced as request.
¡¡¡¡Main use£ºIt
is used in the industries such as green and black
carbonization silicon, common glass products, porcelain
enamel, cast steel, water filtration, alkali, chemical
industry and sandblast.
|
| 2.Refined quartz sand£º |
¡¡¡¡It is made from quartz rock after
the procedure such as election, breaking up, removing
iron by magnetism, washing by acid, drying and grinding
and shaping. Main compositions£ºSiO2¡Ý99.5-99.9%, Fe2O3¡Ü0.01-0.05%.
Its appearance is white crystal. The annual output
is 20,000 tons.
¡¡Granularity range£º2-200
meshes (10-0.0075mm). It can be produced as request.
It is white crystal.
¡¡Main use£ºIt
is used in quartz melting, exact foundry, grinding
wheel, high-grade glass and refractory materials.
It is exported to Japan, South Korea and Singapore.
|
| 3.Melting quartz£º |
|
¡¡¡¡ It is made from refined quartz sand
after high temperature melting, urgent cooling,
breaking up and hand classification. Main compositions£ºSiO2¡Ý99.9-99.98%,
Fe2O3¡Ü0.002%. The first grade products is transparent,
some is fogged. It can be processed into sand and
powder as request. The annual output is 8,000 tons.
¡¡¡¡Granularity range£º10-1mm,
1-0.5mm, 0.5-0.2mm, 0.2-0.1mm.The products are made
by advanced technology and equipments such as materials
colliding and striking machine, magnetism election
machine, shaping machine, sieving machine, airflow
disintegrator, shaking machine and classification
machine. There is no impurity mixed and the component
dose keeps unchangeable. The granularity can be
adjusted as request.
¡¡¡¡Main use£ºIt is used in
high-grade refractory ¡¡materials and electrical
industry. It is exported to Japan, South Korea,
USA and Europe.
|
| 4.Pure quartz sand
and powder£º |
|
¡¡¡¡It is made from natural
crystal rock of one to four grade and natural quartz
after election, breaking up, melting, subtly processing,
removing iron by magnetism, water processing, drying
and classification. The annual output is 6,000 tons.
¡¡Granularity range£º1-0.5mm,0.5-0.2mm,0.2-0.01mm,0.01-0.075mm,
45um. Main compositions£ºSiO2¡Ý99.9-99.99%, Fe2O3¡Ü5-100ppm.
¡¡Main use£ºIt
is used in the industries such as refractory quartz
glass tube, high-grade glass products, electrical
equipments and optic fibre products.
|
| 5.Crystal
silicon powder£º |
|
¡¡¡¡It is made from good
quartz rock by breaking, acid washing, gringding,
pure water processing, drying, magnet collection,
shaping and classification. It is of high purity
and low conductance rate. Main compositions£ºSiO2¡Ý99.5-99.9%,
Fe2O3¡Ü0.008-0.03%. The annual output is 6,000 tons.
¡¡Granularity range£º300
meshes, 400 meshes, 500 meshes, 600 meshes, 800
meshes, 1000 meshes, 1250 meshes.
¡¡Main use£ºIt
is used as insulation of normal high voltage electricity
and in other industries such as epoxy resin plastic
package, refractory materials, chemical industry,
silicon and rubber.
|
| 6.Melting silicon powder£º |
¡¡¡¡It is
made from good electric melting quartz sand, broken
by airflow disintegrator or vibration machine and
processed by grade machine. Main compositions£ºSiO2¡Ý99.8%-99.9%,
Fe2O3¡Ü0.005-0.01%. The product is of high purity and
low expanding rate. The annual output is 5,000 tons.
¡¡ Granularity range£ºFrom
325 meshes to 3,000 meshes. It can be produced as
request.
¡¡¡¡Main use£ºIt
is used in plastic enveloping materials for GSI, epoxy
resin casting materials, enveloping materials, silicon
rubber and fireproof materials.
|
|
|
