Black Conrundum 80# 90# for Metal Surface Burnishing

• Natural Abrasive Type: Natural Corundum
• Artificial Abrasive Type: Corundum Abrasives
• Application: Machinery
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 80# 90#
• Function: Surface Deburring
• Source: Artificial Abrasives
• Particle Size: Abrasive
• Hardness: Superabrasive
• Transport Package: 25kg/Bag
• Trademark: Weixiang /OEM
• Origin: China
• HS Code: 2818200000
• Production Capacity: 1000tons/Month
• Package Size: 110.00cm * 110.00cm * 80.00cm
• Package Gross Weight: 1000.000kg

Product Description

Product Description

Our Black Fused Alumina is a dark gray crystal body made α-Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite .Its character is that the content of Al2O3 is low, and there is a certain amount of Fe2O3, there is a small amount of SiO2 and TiO2. It also has the characteristics of moderate hardness, high toughness, high temperature resistance and stable thermal performance. It is mostly used for free grinding, such as the grinding and polishing of stainless steel, metal products, optical glass, tableware and cookware, bamboo and wood products, and is also widely used in consolidated abrasives and coated abrasives

Detailed Photos

 

Product Parameters

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

Second Class BA:

		Chemical Specifications
FEPA Size	Al2O3		SiO2		Fe2O3	TiO2
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

Certifications

Packaging & Shipping

Package and delivery:

1.    25kg/bag Packaging
2.    1Mt/bag Packaging
3.    25kg/bag+1 Mt bag packaging
4.    25kg/bag+1 Mt bag+Pallet Packaging

After Sales Service