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| Zibo
Jin Yu Abrasive Co.Ltd., a foreign Joint Venture , was established
in the early 1990s. With the latest manufacturing techniques
and the advanced equipments, we design and manufacture the finest
“ Jin Yu ”brands abrasive products, including brown fused alumina
,white fused alumina ,pink fused alumina ,black and green silicon
carbide .The annual capacity for various abrasives is about
30,000MT.We also produce fused alumina for refractory use .
Our quality products are well sold to more than 20 countries
and areas and have won high reptation for quality ,service ,price
and performance among customers. We can also supply products
with our customers special requirements.
Orders
and inquiries are welcome.
We will be very pleased to serve you.
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Electrially fused from a mixture of bauxite,coaland ironborings．Itis
brown, with great hardness andtoughness.Bonded and coated abrasive
products made of A are suitable for the grinding of carbon stee1,malleable
iron and hardened bronze，etc. It also can beused as refractory
matelria1，chemical filler,precision casting and ant-slip material,ctc |
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| Electrically
fused from alumina, white colour, its hardness is a little higher，
but toughness slighily lower than tliat of A. It is used for
fabrication of bonded and coated abrasive products for the grinding
of the steels with grelat hardness， such as high carbon steel,alloy
steel,and high speed steel． Its non-abrasive uses are precision
casting moulding sand, spray coating materia1,catd'lyst cai11er,
high temperature ceramic，and super refractorv materiaL, etc.
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Electrically
fused mainly from alumina. It iS pink colour．Its hardness is
similar to, and toughness somewhat greater than that of WA.
Grinding wheels made of PA have the features of outstanding
duribility and producing fine surface finish,suitable for precision
grinding of measuring tools, lathe main shafts,instrument parts,
threads and samplers. |
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| Electrically
fused from a mixture of bauxite， ironsulfide，etc, It is yellowish
or grey,with strong grain shape,great rdness,toughness and impact
strength,hence it is particularly adaptable for the grinding
of stainless steel,high vanaduim-high speed steel,and is especially
used for the grinding of easy-deformed and easy-burned parts. |
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| Green
silicon carbide has a high purity,and is brittle.Knoop hardness is
3288-3400 kg/mm2. Grinding wheel smade of it are suitable for processing
hard and brittle non-meltalic orkpiece,such as cemented carbide,optical
glass, agate, ceramics as well as hard alloy etc.It can also be used
in the manufacture of high-class refractory products,electrothermal
products, electrical appliance products, etc. |
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| Black
silicon carbide is brittle and sharp．It has a good electrical and
heat conductivitv Knoop hardness is 3100-3280 kg/mm2． Grinding wheels
made of C are suitable for the grinding of metal and nometalic materials,
leather and nibber etc.Morelovelr, it can also be used in the manufacture
of refactory products and electric products etc. |
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