Type：

Degreasing

Model：

AL-CLEAN DA5

Usage：

AL-CLEAN DA5 is a degreaser which does not contain phosphates and silicates and applicable to aluminum and its alloys.

Feature：

50. A alkalescent degreaser without phosphate and silicate.
50. Special use for aluminum and its alloy products.

50. Excellent in oil removing and cleaning, less corrosion to metal substrate and keep intrinsic brightness on Al-parts.
50. Contain surfactant and remove the stubborn oil stains from polishing agent completely.

Working condition：

Analysis method：

1. Take 20 ml of bath solution from AL-CLEAN DA5 and add 250 ml of deionized water.
2. Shake with 0.5N of hydrochloric acid standard solution, then heat for 10 min and cool to room temperature.
3. Adjust pH at 9.0 with 0.2N of sodium hydroxide standard solution. (Measure by pH meter or add 2 to 3 drops of 1% of phenolphthalein indicator and make the color turn to pink distinctly).
4. Add 10g of sorbitol and adjust pH at 9.0 with 0.2 N of sodium hydroxide standard solution, or titrate those into pink with V milliliter of sodium hydroxide.

AL-CLEAN DA5 (g/L)=V×3.6