Black Brake Pump Bolts
Material：Carbon Steel
Color：Black
Finish：Black Zinc Plating
Inspection：Inspection Machines
Description:
|
Product Name |
Black Brake Pump Bolts |
|
Material |
Carbon Steel |
|
Color |
Black |
|
Finish |
Black Zinc Plating |
| Inspection | Inspection Machines |
|
Warranty |
1 year |
|
Mark |
According to customer's requirement |
|
Usage |
Auto |
|
Sample |
Available |
| Price | Factory price |
| Shipping | DHL TNT UPS EMS FEDEX |
|
Package |
Polybag+box+Cartons |
| Quality | 100% Professional Test |
Product Description:
The process of black zinc plating, also known as blackening or black oxide coating, has several distinctive features that make it a popular choice for various applications. Here are the key characteristics of the black zinc plating process:
Process Features of Black Zinc Plating:
Chemical Reaction: The process involves a chemical reaction between the metal surface and a solution containing zinc salts and other additives. This reaction forms a thin, black oxide layer on the metal surface.
No Electrolysis Required: Unlike electroplating, black zinc plating does not require an electric current. It is a chemical conversion coating process, which simplifies the setup and reduces the complexity of the equipment needed.
Uniform Coating: The black oxide layer is typically uniform and adheres well to the metal surface, providing consistent coverage even on complex shapes and parts with intricate geometries.
Corrosion Resistance: While the primary purpose is not corrosion protection, the black oxide layer can provide some level of corrosion resistance by forming a barrier that slows down the oxidation process of the underlying metal.
Aesthetic Appeal: The process gives the metal a matte black finish, which is often used for aesthetic purposes. This finish can enhance the appearance of parts, making them suitable for decorative or functional applications where a black finish is desired.
Low Cost: The black zinc plating process is generally less expensive compared to other surface treatments like electroplating or painting. This cost-effectiveness makes it an attractive option for many manufacturing applications.
No Hydrogen Embrittlement: Since the process does not involve electroplating, there is no risk of hydrogen embrittlement, which can weaken high-strength steel parts. This is particularly important for critical components that must maintain their mechanical integrity.
Environmentally Friendly: The process can be designed to be more environmentally friendly compared to some other plating methods. Modern formulations aim to reduce the use of harmful chemicals and improve waste treatment.
Post-Treatment Options: After the black oxide coating is applied, parts can be treated with oil or wax to enhance corrosion resistance and improve the appearance. This post-treatment step is often used to provide additional protection.
Black zinc plating offers a combination of functional and aesthetic benefits, making it a versatile surface treatment option for a wide range of metal components.
Working Photos:
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