LW-02 is a white to light yellow solid powder. It is used for avoiding the scale formation and the aluminium dissolution can be over 120g/L. The additive can improve the aluminium profile surface quality, decrease the aluminum loss and the consumption of alkali. It is eco-friendly.
| Bath Make-up： | ||
|---|---|---|
| Name | Quantity | Unit |
| LW-02 | 7 | g/L |
| Sodium Hydroxide (NaOH) | 40 | g/L |
| Water | Balance | |
| Operating Conditions： | ||
| Name | Quantity | Unit |
| Temperature | 40-65 | ℃ |
| Time | 1-25 | min |
| Free alkali (Sodium Hydroxide) | 40-70 | g/L |
| Solution Maintenance： | ||
| 1)Analyze the concentration of free alkali and aluminum ion everyday. It is recommended that the concentration of free alkali in a new make-up bath should be 40g/L. And the alkali concentration and solution temperature are slowly increased according to the increasing of aluminum ion. LW-02 and alkali should be added with the scale of 1/10-1/6. | ||
| 2)Normally, the color of the solution is dark-gray. It will be light-grey if it lacks of alkali or LW-02, then need to replenish in time. | ||
| 3)When the etching solution is not being used, may increase the concentration of sodium hydroxide (NaOH) and LW-02 for avoiding precipitations. | ||
| Packaging and Storage： | ||
| Package: Carton (30kg/ carton), plastic woven bag (25kg/bag) | ||
| Storage: Suggested to store in a cool, dry and well ventilated place; away from fire and heat source. | ||
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