Black Emery Powder for Metal Surface Burnishing
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Product Details
Black corundum is a new type of polishing materials, with high quality bauxite as main raw materials, less add reducing agent, and then, in the Canon of high temperature smelting electric arc furnace, color is black. Black corundum sand hardness is moderate, the toughness is bigger wear-resisting sharp edges and corners, the sharpness is strong, less calorific value when grinding, polishing machining workpieces cleaning degree is high, the polishing performance much higher than other similar products at home and abroad, the aluminum content is greater than 82% black corundum, high hardness and great toughness and flexibility, wear-resisting and durable; The caking property and good hydrophilicity, facilitate the mill; When grinding block less, less heat, workpiece will not burn; Since the sharpness is strong, high efficiency, no scratches, and processing, cast high finish;
Chemical Composition (% by weight)
First Class BA:
Range of Grits | Chemical Composition | |||
Al2O3 | SiO2 | Fe2O3 | TiO2 | |
24#-100# | 77.00Min | 11.0Min | 5.0Min | 1.5-3.5 |
120#-200# | 75-81 | 9-12 | 4-6 | 2-3 |
240#-280# | 64.0Min | 10.0Min | 7.0Min | 1.5-3.0 |
| Chemical Specifications |
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FEPA Size | Al2O3 |
| SiO2 |
| Fe2O3 | TiO2 |
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F24-F100 | 62.51 |
| 20.46 |
| 9.15 | 2.65 |
F120-F220 | 61.96 |
| 20.32 |
| 9.12 | 2.63 |
F240-F320 | 61.13 |
| 20.19 |
| 9.10 | 2.63 |
F400-F1000 | 60.94 |
| 20.12 |
| 9.08 | 2.61 |
OUR ADVANTAGES:1.Advanced technique and many years of production experience.
2.Convenient traffic.
3.Professional and efficient service.
4.ISO9001certificate.
5.Accept OEM brand
Q1: Are you a trading company or manufacturer?
A1: We are an industry and trade enterprises of abrasives over 20years.
Q2: What is your payment term?
A3: Usually L/C or T/T 30% deposit, and clear the balance before shipment.
Q3: Can you provide free samples?
A3: Yes, some samples would be free (not contain freight charge) if we have stocks, depending on specific grit size and quantity
of products you required.
Q4: How long is the lead time?
A4: Except OEM products, generally 5-7 days for trial order, 10-20 days for mass order once deposit received.
Q5: Do you have after-sales services?
A5: We have complete after-sales services, if you encounter any quality problems with our products, please send us as samples,
pictures or videos. Once the proof is checked and confirmed, we will give you reasonable compensation for your lost.