Colorless aluminum chromate chemical CR-425E
Specification: 25, 30kg/can
Origin: Viet Quang
Colorless aluminum chromate chemical CR-425E: Is a special preparation that creates a colorless transfer coating on the aluminum surface.

Physical and chemical properties:
State of existence: Solution
Color: Yellow, orange, brown
Water solubility: Yes
Properties: Acidic

Bartending:
Method: Soak
Content (g/l): 30
Temperature: normal
Time (minutes): 5

Advantage:
– Simple operation.
– Short soaking time, low consumption, high economic efficiency.
– Does not fade when dried at high temperatures.

Application:
– Anti-mold aluminum, does not cause aluminum surface to be rough.
– Creates grip and elasticity for the powder coating.
How to check if the aluminum chromate film meets the requirements:
– The chromate film is colorless, smooth, and sturdy, and emits very bright, shiny light.
– No stains, no white powder or aluminum mold.
Common mistakes in aluminum processing
– Aluminum after processing becomes powder, chalky, and very dusty when wiped off.
– Wipe the film thoroughly to remove all color, leaving the aluminum surface exposed.
– Dark, dull film
– Uneven staining
– Beautiful film, paint still peels off after painting
– The film is too pale.
Characteristics of Aluminum Chromate Coating
Chromate coating depends largely on the base metal.
Effect of pH, pH is an important factor to control the coating process, usually 1.2-2.6.
The properties of the Chromium layer determine the coating rate.
Notes when using colorless aluminum chromate chemical CR-425E:
– Colorless aluminum chromate chemical CR-425E is mildly acidic, so when using it, labor safety must be followed. Such as gas masks, rubber gloves, glasses, protective clothing.

Handling of accidents.
– Contact with skin, hands, clothes: change clothes immediately, rinse under running water for 15 minutes.
– Eye contact: remove contact lenses, rinse gently with clean water for 15 minutes, rest, seek medical advice.
– Contact through respiratory tract: need to go to fresh air, if having difficulty breathing, give oxygen and see a doctor.
– Oral contact: drink plenty of water, do not put anything in the throat when the patient faints, see a doctor.
Storage and inventory: Store in a cool, dry warehouse, clearly label the packaging, date of manufacture, and expiration date. Always keep the can tightly closed.