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Specialty Alumina For Fine Polishing

Y-Alumina


Introduction:
With the polishing industry development and increasing demand for the surface treatment, SiO2 material polishing powder with good light effects, but cutting rates too slow; diamond polishing powder or SiC materials with hardness 10 and fast cutting, but scratches on the surface. According to the market demand and after 3 years of independent research and development, our company can produce series of aluminum oxide polishing powder products with moderate hardness, and it’s more suitable for fine polishing. By choosing the right grain products and adjusting the solid content in the polishing liquid (1-60% adjustable), it will be achieved high cutting rates and fast light effect. For the same size product, by improving the solid content in the polishing liquid, and then cutting rates will be increased.
At present, our products are mainly for the fine polishing powder with capacity over 20 tons per month, and can be applied to the final polishing of Sapphire.
 
Specification:

Product Code
产品牌号
PA-36GD PA-03G PA-05G PA-08G PA-10G PA-15G PA-20G PA-25G
A003型 YM型 A002H型 CH型 CD型 B70型 B70型 B70型
Mean Particle Size  D50  (um) 0.2 0.3 0.5 0.5 0.8 1.0 1.0 1.5 2.0 2.5
BET(m2/g) 比表面 15 10 8 7 6 4 5 3 2.5 2
Bulk Density  (g/cm3) 松堆比 0.40 0.50 0.50 0.60 0.65 0.70 0.65 0.75 0.80 0.80
Chemical Purity
化学纯度
Si    (ppm) <50 <50 <50 <50 <50 <50 <50 <50 <50 <50
Fe   (ppm) <60 <60 <60 <60 <60 <60 <60 <60 <60 <60
Na   (ppm) <100 <100 <100 <100 <100 <100 <100 <100 <100 <100
Al2O3   (%) >99.95 >99.95 >99.95 >99.95 >99.95 >99.95 >99.95 >99.95 >99.95 >99.95

 
Product features:
Water-solution easily dispersible, particle dispersion, good suspension, can be directly made into polishing slurry by clients, solid content 1%~60% with arbitrary adjustable, stable liquid phase.
 
Crystal phase is stable and hardness can be adjusted (BET 1-30m2/g), small particles and the uniform particle size distribution;
 
 
Fast appearing Light, strong cutting force, bright luminosity, excellent mirror effect;
 
High grinding efficiency, efficiency is much higher than silicon dioxide (SiO2) and other mild abrasives,  the surface finish is superior to the polishing effect of white fused alumina, can polish uniform and bright luster.
 
Areas of application:
Phone screen polishing, including the final polishing of Sapphire cellphone screen and glass cellphone screen. Can also be applied to: artificial stones, zircon, glass, natural stone, jade, agate and other vibration polishing (machine polishing, rolling polishing), manual polishing,etc,
 
Metal polishing, including final polishing of mobile phone shells, automotive wheels, high-grade hardware. Can also be applied to the grinding polishing of aluminum, copper, stainless steel, stone, ceramic tile.
 
Paint polishing, including automotive paint polishing, cellphone shells paint polishing.
 
Can be made into various types of polishing liquid directly, liquid phase is stable in the process of using.