WCA/PWA40 35 30 25 20 15 12 09 05 03 Aluminum Oxide

PWA(PLATELET WHTIE CALCINED ALUMINA)                          

SIZE:PWA/WCA40 PWA/WCA35 PWA/WCA30 PWA/WCA25 PWA/WCA20 PWA/WCA15 PWA/WCA12 PWA/WCA09 PWA/WCA05 PWA/WCA03

PWA IS APLATELETWHITE CALCINED ALUMINUM OXIDE ABRASIVE POWDER with PLATE-SHAPE

AVERAGE CHEMICAL COMPOSITION(TYPICAL)              

Al2O3	99.0%
SiO2	0.2%
Fe2O3	0.1%
Na2O	1%

PHYSICAL PROPERTIES(TYPICAL)

Mohs Hardness	9.0
Specific Gravity	3.9g/cm3
Shape	Plate-shape

PARTICLE SIZE DISTRIBUTION

SIZE	D0	D3	D50	D94
PWA/WCA40	<77.6	39-44.6	27.7-31.7	18-20
PWA/WCA35	<64.2	35.4-39.8	23.8-27.2	15-17
PWA/WCA30	<50.4	28.1-32.3	19.2-22.3	13.4-15.6
PWA/WCA25	<40.1	24.4-28.2	16.1-18.7	9.6-11.2
PWA/WCA20	<32.0	20.9-24.1	13.1-15.3	8.2-9.8
PWA/WCA15	<25.2	14.8-17.2	9.4-11	5.8-6.8
PWA/WCA12	<20.3	11.8-13.8	7.6-8.8	4.5-5.3
PWA/WCA09	<16.3	8.9-10.5	5.9-6.9	3.3-3.9
PWA/WCA05	<12.5	6.6-7.8	4.3-5.1	2.55-3.05
PWA/WCA03	<10.0	4.8-5.6	2.8-3.4	1.5-2.1

PACKAGING:210KGS PLASTIC BAGS in ONE PAPER BOX,50PAPER BOX ON ONE PALLET

MAIN APPLICATIONS

Super finishing silicate grindstone,super finishing Phenol Bond Grindstone, Precision Coated Polishing Tape, Precision Coated Polishing Paper, Hard to Soft Metal Lapping, Optical Plastic Lapping, Filler for Coating, Honing Stones, Gallium Arsenide Lapping, Silicon Lapping, Filler for Heavy Electrical Machinery Parts, Precision Coated Polishing Cloth, lapping agent, compounding agent, coating, Optical Glass Lapping, filter, Quartz Crystal Lapping, abrasive, Silicon Wafer Lapping, Crystal Lapping, Hardened Glass Lens Lapping, Soft Metals Lapping, Super Finishing Vitrified Grindstone