Surface Pretreatment White Aluminum Oxide Abrasive , 3.95g / Cm3 Aluminum Oxide Abrasive Media
WHITE FUSED ALUMINA FOR SURFACE PRETREATMENT SANDBLASTING
White aluminum oxide grit is made of industrial alumina powder as raw material and Fused in an electric arc furnace at 2000 degrees temperatures, then cooled and pulverized and shaped to remove iron by magnetic separation.
With Al2O3 99.3% min.%, it is an ultra pure, extremely sharp, long-lasting blasting abrasive.
It is widely used abrasive in blast finishing and surface preparation because of longevity, iron-free and hardness.
| CHEMCIAL ANALYSIS | ||||
| AL 2 O 3 | SiO2 | Fe 2 O 3 | Na 2 O | L.O.I |
| 99.3% Min. | 0.1% Max. | 0.1% Max. | 0.35% Max. | 0.2% Max. |
| PHYSICAL PROPERTIES | ||||
| Color | Crystal Form | True Specific Gravity | Vickers Hardness | Mohs Harness |
| White | Trigonal Crystal | 3.95g/cm3 | 2200kg /mm2 | 9 |
| SIZES AVAILABLE | ||||
| #12 MESH | #16 MESH | #20 MESH | #24 MESH | #30 MESH |
| #36 MESH | #46 MESH | #54 MESH | #60 MESH | #70 MESH |
| #80 MESH | #90 MESH | #100 MESH | #120 MESH | #150 MESH |
| #180 MESH | #200 MESH | #220 MESH | #240 MESH | #280 MESH |
| #320 | #360 | #400 | #500 | #600 |
| #800 | #1000 | #1200 | #1600 | |
FEATURES IN SANDBLASTING
White aluminum oxide, also called white corundum, is hard and brittle, strong cutting force, good chemical stability, and good insulation.
White aluminum oxide grit size is consistent and cuts much faster than other sand blasting media, leaving a smoother surface.
Surface pretreatment before coating
Pre-treated sandblasting to increase surface adhesion before coating, painting, Teflon spraying, Metal spraying (aluminum, stainless steel), galvanizing, chrome, nickel, oxidation treatment, flaw detection...
Caroline Cui
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