Chrome-colored liquid to cooperate

FM-G9011
Light-colored liquid chromium

Introduction of the agent is a liquid product, used for aluminum and its alloys surface chemical oxidation. The colorless, transparent oxide film, such as the end of treatment as the paint and coating can enhance the binding of aluminum. Application Method: Spray Baptist Safe.

slotted concentration parameters: ; 2% (V / V)
Bath Titration points: 6.8 ~ 7.2
Impregnation Time: 2 to 5 minutes
Spray processing time: 15 ~ 30 seconds
Bath treatment temperature: 20 ~ 70 OC
Bath pH value: <4.0

process A. Degreasing
B. Washed
C. The agent handling
D. Washed
If the work piece surface oxide corrosion product, or obviously, between the B and C to join "the light."

bath of 1) taking into an iodine bath 50ml bottle, add water to 100ml, add 1 g of KI, shake;
Add 10ml concentrated HCL, and then washed several times with water bottle, and then stopper good;
A minute later with a 0.1N sodium thiosulfate to light yellow, add a few milliliters of starch solution to continue titration to the blue disappeared;
The total consumption of sodium thiosulfate ml liquid based agent titration points.

For 1000 l bath, add 2.8 liters of each point of the agent can increase about 1.

pH measurement of determination of pH, the measure should be completed and after feeding. When the pH value is greater than 4.5, the bath should be discharged.

security matters of the bath with Cr6 +, F-, the operator should wear rubber gloves, face masks to prevent inhalation of the steam bath.
In case of liquid splashing into eyes, rinse immediately with plenty of water, and then treatment.