Foshan Dechenghezhong Chemistry co.,LTD
No,12 Yuyang 2nd Road, Huchong Industrial District, Nanzhuang Town,
Chancheng District, Foshan City, Guangdong, China
Tel:0086-757-82012410
Fax:0086-757-82012430
Website:http://dchz.en.alibaba.com
E-mail:fsdchz@outlook.com
DCHZ-403 Chromate Passivation Finish for Aluminum
DCHZ-403 is a orange acid liquid, contains chromate, used for aluminum alloy conversion coating
treatment. No irritating smell, suitable for aluminum electrical parts and daily aluminum product
decoration and corrosion.
Product Characteristic
1. It is easy to control, long life, low cost.
2. Strong adhesiveness, suitable for film treatment before powder coating or painting.
3. The film has conductivity.
4. Strong corrosion resistance, offers neutral salt spray resistance of over 100 hours.
Solution Make-Up and Operating Parameters
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DCHZ-403
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0.5-2.5% by volume
|
|
Temperature
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15-30℃
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|
Time
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3-5min
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pH
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1.5-2.0
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DCHZ-403 Consumption
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3-5 kg / T
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Tanks
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plastic
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Finishing Procedure
Degreasing→Rinsing→Etchant or Chemical polishing→Rinsing→Neutralizing →Rinsing→
Conversion coating treatment→Rinsing→Drying(the temperature not higher than 60℃)
Caution
Avoid prolonged contact with skin. Do not get in eyes. In case of contact with skin or eyes, flush
freely with water for at least 15 minutes. For eyes, get medical attention.When handling and working
with solutions, wear glasses, goggles or face shield.
