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High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH

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China Changzhou Junhe Technology Stock Co.,Ltd certification
China Changzhou Junhe Technology Stock Co.,Ltd certification
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High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH
High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH
High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH

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Product Details:
Place of Origin: Changzhou in china
Brand Name: JUNHE
Certification: ISO9001 TS16949
Model Number: 310G-B
Payment & Shipping Terms:
Minimum Order Quantity: 100 Kilograms
Price: Negotiable
Packaging Details: Pack A:16kg/ Metal Barrel Pack B:24KG Plastic Barrel Pack C:Based on the amount of B agent A
Delivery Time: Ten days after receipt of advance payment
Supply Ability: 2 Tons per Day

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH

Description
Color: White PH: 3.8-5.2
Specific Gravity: 1.30±0.05 Viscosity: 20~60s(Spray Coating) 60~90S(Dip-Spin Coating)
Origin: Changzhou In China Name: Dacromet Coating
High Light:

Dip Spin Coating

,

Zinc Aluminium Flake Coating

High Speed Dacromet Coating Brake Disc Without Chrome Coating

 

1. Features of Dacromet Coating

 

1.2.1 excellent heat-resistant corrosive Dacromet anticorrosive film curing temperature of 300 ℃ or so, so even if the workpiece for a long time at high temperatures, the appearance will not change color, excellent heat and corrosion resistance. The traditional galvanized layer in the above 70 ℃ under the conditions, there will be a small crack in the 200 ~ 300 ℃ conditions will change color, corrosion resistance is also greatly reduced.

1.2.2 excellent weather resistance and chemical stability of the test, the unpurified galvanized layer, salt spray test in general ten hours corrosion of a micron; thickness of three microns rainbow color purification film, by two hundred Hour salt spray test was etched. Dacromet coating was etched off a micron after a hundred hours of salt spray test. Dacromet process than the traditional surface galvanized treatment process, so that the corrosion resistance of the workpiece increased by seven to ten times. Shanghai, a car factory using Dacromet process coated lamp stand, salt spray test reached more than a thousand hours.

 

2. Dacromet Coating Technical data

 

No. Item Data
1 PH 3.8-5.2
2 Cr6+ ≥25g/L
3 Specific gravity 1.30±0.05
4 Viscosity 20~60s(Spray Coating) ; 60~90S(Dip-Spin Coating) . 20℃ Zahn 2# cup
5 Operating temperature 22±2℃

 

 

3.  Mix Diagram

 

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH 0

Caution: Temperature should be controlled in above operation.

 

 

4. Coating Process

 

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH 1

 

5.1 Degreasing

The workpiece should be degreased if there is oil on the surface. There are three processing methods:

1.High temperature

2.Neutral water-base degreasing agent

3.Organic solvent such as methylene chloride.

 

5.2 Derusting

The workpiece can not be coated if there is rust or burr on the surface.The best processing method is shot blasting. The corrosion resistance of coating will be effected if acid cleaning adopted.

 

5.3 Coating

The workpiece afer degreasing and shot blasting should be coated through Dip-Spin coating or Spraying Coating.

 

5.4 Pre-heating

The workpiece after coated should be Pre-heated as soon as possible at 80~150℃ for 8~15 mins to evaporate. ( according to heat absorption of workpiece.)

 

5.5 Curing

The workpiece after pre-heating should be cured at 300-340℃ for 20-40 mins. ( according to heat absorption of workpiece.)

 

 

6. Attentions

 

Other chemicals such as any kinds of acid, alkali salt can not be mixed into coating, for these can activate Zn & Al plate to aging the coating.

Avoid irradiation of sunshine and ultraviolet ray for long time when operating, otherwise it will accelerate aging or polymerization of the coating .

It is very important to control the temperature of coating. If the temperature of coating changes when operating, it will effect the viscosity, then effec the coating quatity on workpiece. So the relations among temperature,viscosity and spinning process shoud be controlled well when coating.

The viscosity will be different if coating method is different. Choose low data if spray coating,and choose high data if dip spin coating.

 

 

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH 2

 

High Speed Dacromet Coating Brake Disc Without Chrome Coating 3.8-5.2 PH 3

 

Contact Details
Changzhou Junhe Technology Stock Co.,Ltd

Contact Person: kyjiang

Tel: +8613915018025

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