DX521 is a compound based on Natural product organic carboxylic acid. It is free of sulfur, phosphorus, chlorine, silicon, boron and other environmentally friendly elements.This product is widely used as an aluminum alloy protector in industries such as aviation, aerospace, automotive parts, 3C products, hardware, to prevent corrosion of aluminum materials.
Product name | DX521 |
Appearance (25℃) | Amber transparent liquid |
Density (20℃, g/cm3) | 1.04 |
PH value (1% aqueous solution) | 7.0-9.0 |
Foam height (0.25%, mm, Ross miles method, initial/5 minutes) | 0/0 |
Shelf life | 1 year |
corrosion inhibition of aluminium (0.25% aqueous solution) Reference: GB/T6144-2010 | A |
1. Corrosion inhibition performance
The reference standard GB/T6144-2010 was used to test the improvement effect of different contents of DX521 on the corrosion inhibition performance of Ly12 aluminum in a basic cutting fluid system. The basic cutting fluid system is: 5% triethanolamine borate, 3% triethanolamine, the rest is water.
0%DX521 | 0.5%DX521 | 1%DX521 | 2%DX521 |
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2. Lubricity
mass fraction/% | 0.1 | 0.3 | 0.5 | 1.0 | 2.0 |
Average tapping torque value/N.cm | 161.1 | 151.6 | 147.3 | 143.3 | 142.1 |
3. Dehydration performance
Soaked by tap water | Soaked by 1%DX521 |
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1. Applied in the fields of metalworking fluids and surface treatment, it is recommended to add 0.5% -2% DX521 of the original solution;
2. Applied in the field of non-ferrous metal dehydrating agents, it is recommended to add 0.2% -1% DX521 of the original solution.
1. 200L plastic bucket, 210Kg/bucket;
2. Stored and transported according to general chemicals .Stored in a dry and ventilated place.
