Products
+
  • 铝有色铬化剂-CHC-(AB)-(液).jpg

Iridescent passivation CHC

Classification:

Auxiliaries for Anodizing

Tag:

Contact Us
online message

Product Details

Name     Type

Oxidation Additive

Model/Specification

CHC (A/B)

SpecialProperty

Aluminum Color ChromateCHC (A/B) (Liquid) is made fromA,Btwo liquids mixed for use, suitable for color chromate of aluminum and aluminum alloys, and the color can be adjustedA,Bby varying the content of the liquid to produce different shades from light colors to deep yellow, with the following characteristics:

  1. Simple operation, applicable to different aluminum(alloys)for use.
  2. Chromate film is uniform, with strong corrosion resistance.
  3. Low concentration treatment does not affect the conductivity of aluminum.

Usage Conditions

Pure aluminum parts

 

Standard  Range

CHC (A)  ml

L

20CHC (B)/Value

5-50CHC (B)/Value

Temperature

10CHC (B)/Value

5-25CHC (B)/Value

pH℃

1.7

1.5-2.0

Time   Minutes

20Seconds

20-35Seconds

Process Flow:   De-oiling

2(AL-CLEAN DA5

20or special degreaser-3(AL-CLEAN DA5

 

 

MC)

→ Roughening(AL-EN),PC-25or chemical polishing(AL-CP2)→ Stain Removal(AL-D30)→ Chromating(CHC)→ Rinsing → Low Temperature DryingAluminum Castings→ ActivationNitric Acid and Hydrofluoric Acid Mixture→ Rinsing → Drying

 

Packaging

 

Standard  Range

CHC (A)  ml

L

20CHC (B)/Value

20-50CHC (B)/Value

Temperature

10CHC (B)/Value

10-25CHC (B)/Value

pH℃

1.7

1.5-2.0

Time   Minutes

20Seconds

20-35Seconds

Process Flow:   De-oiling

2(AL-CLEAN DA5

20or special degreaser-3(AL-CLEAN DA5

 

 

MC)

→ Roughening(AL-EN),PC-25or chemical polishing(AL-CP2)and Storage(Barrel, liquid form, stored in a cool, dry warehouse, avoid direct sunlight, high temperature, and heat, must be sealed after use.)→ Rinsing → Low Temperature DryingAluminum Castings→ ActivationNitric Acid and Hydrofluoric Acid MixturePrecautions

If the content of the chromate additive is increased, the color will lean towards brown; if the content of the chromate additive is increased, the color will lean towards colorful.Do not touch the workpiece with hands before drying, and ensure there is enough space between workpieces during operation.

25Value/Below

drying, otherwise it will affect the formation of the chromate film, and the chromate film should not be too thick, otherwise it will be poor.
  1. Wastewater Treatment: Add sodium bisulfite toAthe wastewaterBfor every
  2. CHC-A 10
  3. liters, add70Secondsgrams

to adjust the pH with sulfuric acidCHCto below(, addliters of ferrous sulfate and organic coagulant, then filter the precipitate. Use sodium hydroxide to neutralizeCHC (B)/to pH3and filter the precipitate. Dilute with water/Value)times and continue filtering.pH值低于3，添加0.5and filter the precipitate. Dilute with water/升硫酸铁及有机凝聚剂，再过滤沉淀物。用氢氧化钠中和pH值至7-8及过滤沉淀物。用水稀释4倍再继续过滤。
图片名称
所属分类：

Auxiliaries for Anodizing

Online Messages

Submit Message

* Note: Please make sure to fill in the information accurately and maintain smooth communication. We will contact you as soon as possible