[Lapping Powder]
Lapping Powder
- High-precision grinding, polishing and lapping of semiconductors, ceramics and precision machine parts
- We supply all types of abrasives in various szies. Such abrasives include Green Carbide(GC), Carbide(C), White Alumina(WA), Alumine(A), Cerium Oxide, Gernet and etc.
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Various lapping powders show excellent effect in super precision grinding, polishing, lapping and polishing of semiconductors, crystal, ceramics, magnetic materials, glass, stone, and precision machinery parts.

We sell all items on abrasives including Green Carbide (GC), Carbide (C), White Alumina (WA), and Alumina (A) by size.
Size Type and Mesh Size Comparison Table
* Main abrasive mesh size & Other item
WA(Lapping) powder Mesh Size
#240 #280 #320 #360
 #400 #500
#600
 #700
 #800
 #1000
 #1200 #1500
#2000 #2500 #3000 #4000 #6000 #8000
 
A(Lapping/polishing) powder Mesh Size
#240 #280 #320 #360 #400 #500
#600 #700 #800 #1000 #1200 #1500
#2000 #2500 #3000      
 
GC(Lapping) powder Mesh Size
#240 #280 #320 #360 #400 #500
#600 #700 #800 #1000 #1200 #1500
#2000 #2500 #3000 #4000 #6000 #8000
 
C(Lapping) powder Mesh Size
#240 #280 #320 #360 #400 #500
#600 #700 #800 #1000 #1200 #1500
#2000 #2500 #3000      

Other item
1. High purity Alumina(UA)
super differential of 0.1~0.4㎛ as very high   purity Calcined Alumina over Al2O3 99.995% sharp grit distribution
-Light Penetration ceramic, IC substrate polishing, ceramic tools, etc.
2. Higilite (Sintered Alumina)
as firing alumina, has 4 types
low soda alumina : as a content of a little
soda, only electronic parts resin, filler
white alumina : white various Grit distribution(8~55㎛) artificial marble, rubber plastic filler, teeth abrasive
fine alumina : high amount of heat absorption(470cal/g), hard combustibility filler of rubber, resin
3.spherical alumina (AS)
high thermal conductivity, released thermal energy sheet filler, ceramic material by a spherical shape
4.etc. all item of SHOWA DENKO
SA, BW, besides all sorts of ceramic matter 
5.A-21 Series
as Calcined Alumina, manufactures group of the Japanese SMIMOTO industry
6.Nozzle, Gun only Sand blasting
7. Lapping Oil
8.all sorts of abrasive of the world nation
Plate Type & Purpose
Classification Name of Goods Main Element Use Suppry Grif

Remarks
Alumina A Al2O3,96%
 Carbon steel, castings, bronze, optical lens, prism, Braun tube, denim discoloration, blasting, etc. SDK,
Products of China
 ~#3000
 Brown fused
Alumina
WA Al2O3,99%
 High-carbon steel, high speed steel, precision machinery parts, quartz crystal, optical glass, etc. SDK,
Products of China
Nanko
 ~#8000
 White fused
Alumina
PW Al2O3,99%
 Silicon, optical materials, crystal, stainless steel, synthetic resin etc. SDK
브라질		   Pink fused White Alumina
Silica Carbon C SiC,98%
 Low tensile strength iron, non-ferrous metals, brass, aluminum, rubber, etc. SDK,
Products of China Nanko
 ~#4000 Black Silicon
carbide
GC SiC,99%
 High strength alloys, crystal, quartz, magnetic materials, semiconductors, jewels, etc. SDK,
Products of China
Nanko		 ~#8000
 green
Silicon
carbide
Mirror
Abrasive
material		 ROX CeO2 Crystal, Glass, etc. SDK H,K,
M-series		 Cerium Oxide,
Serox
Sho-
polish		     SDK S.G.M.A.P.D
-series		  
Etc... AZ Al2O3+ZrO2 High Purity Silicon, Compound Semiconductors, Faucet, etc. SDK ~#4000 Alumina
Zirconium
CBN
 B4C
 Artificial Diamond (Boron Carbide) SDK   Boron Carbide
Cubitron   For Precision Polishing SDK   Seeded Gel
Glass Bead SiO2,Na2O Sand Blasting Potters
(Australia)		 #20~#325  
TOSA Al2O3 Stainless Steel Nanko #60
~#1200		 Emery powder
Gamet Natural Garnet Sand Blasting, Abrasive paper, etc. Products of China #20~  

Kind CODE No. 9450 410 415 437 431 432 434 435 Mechano Cloth Peron
PSU
530 540
Rayon(Artificial Fiber) ● ● ●          

For Pre-polishing

For Finishing

 Synthetic fiber, STD, with special air bubbles, is used for rough grinding and the PSU is suitable for long time use.
Cotton       ● ● ●    
Compressed Wool             ● ● For chemical LAP
Synthetic Fiber
Supporter		   ● ●          
Diamond
Particle
Diameter 		Range of
use of the
HYPREZ
Diamond
Slurry		 1/10μ           ●          
1/4         ● ●   ●      
1/2         ● ●          
1 ● ●   ● ● ●         ●
3 ● ●   ●   ●         ●
6   ● ● ●   ●         ●
9     ●                
15     ●          

 

    
Abrasive
Material		 Finishing for
Alumina Sulfur		             ●        
Precision-finishing
of Alumina		   ●   ● ●     ●      
Cerium oxide   ●       ●          
Combined Paste / Lubricant Water-based
Aqueous Oil		 Water-based Water-based
Aqueous Oil		 Water-based
Size 105/200/230/380/610/910 (Others are special orders)