Dip Pretreatment Systems | Industrial Coating Lines

Dip Pretreatment Production Line for Metal Profiles with Stable Passivation and High Coating Adhesion Performance

Our dip pretreatment production line is designed for efficient surface preparation before coating. Featuring acid etching, rinsing, passivation, and drying stages, it ensures reliable adhesion and corrosion resistance. The electric hoist immersion system provides controlled processing, stable quality, and cost-effective operation.

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Advantages of Dip Pretreatment

Long-lasting, Trouble Free Operation

Advanced tank design with superior lining adhesion and international sourced component maintain a dependable long-term operation.

Maximum Cleaning Performance

Optimized treatment time, temperature, and filtration system guarantee complete degreasing, oxide removal, and effective passivation.

Reduce Labor and Expense

Automation or semi-automation reduces the number of operators from 2 to 3 operator lines while providing a consistent cleaning operation.

Pretreatment Process And Parameter

No.	Name	Method	Treatment Liquid	Treatment Time (min)	Treatment Temp (℃)
1	Loading	Manual		2
2	Acid etching	Dipping	Acid etching agent	6-10	RT
3	Water rinse1	Dipping	Industrial water	2	RT
4	Water rinse2	Dipping	Industrial water	2	RT
5	Passivation	Dipping	Passivator	6-10	RT
6	Pure water rinse	Dipping	DI water	2	RT
7	Water drying oven			10	120-140
8	Unloading	Manual		5

FAQ

How do the two methods differ; dip pretreatment and spray pretreatment?

Dip pretreatment provides an even reaction of the cleaning agent when the part is submerged, which is excellent for parts with complex shapes. Spray pretreatment provides high-efficiency cleaning with pressurized nozzles in an automated production line.

What types of materials will work in this system?

The system will work with preparing aluminum profiles, carbon steel, galvanized steel, and various metal materials.

What does the system do to prevent contaminated cleaning chemicals between tanks?

The system is designed to have optimum filtration sections, controlled drain timing, and adequate ventilation for preventing liquid contamination between tanks.

Is the pretreatment line capable of being customized?

Yes, you may configure the pretreatment system to accommodate your production capacity and workpiece lengths in both on-line and off-line production methods.

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What Our Customers Say

John

"I have noticed a consistent improvement in cleaning once the line was installed. I have much better adhesion of coating and continue to see a marked decrease in rework."

Alen

"The design of the dip tank is ideal, leak proof, easy to maintain, and dependable for daily operation."

Amy

"The automated spray pretreatment system has decreased labor, while improving how well the surface of the workpiece is prepared for powder coating."

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Why Choose Us

Yangzhou OURS Machinery Co., Ltd. (OURS COATING) was founded in 2006, and is the leading manufacturer of high-performance industrial coating systems. The company has a modern factory located on 22,000 square meters of land and provides complete 'turnkey' (including: e-coating, powder coating and wet painting lines) to customers worldwide with respect to their use in the automotive, construction, appliance and furniture industries.

At OURS COATING, we have a commitment to innovation and high quality at every stage of the process. Using both our manufacturing experience and European technologies, we create systems that are efficient, reliable, durable and environmentally safe. We are ISO 9001/14001 certified and have CE Certification. Our goal is to serve our customers with a dependable coating system that increases their productivity, sustainability, and competitive advantage. You can expect us to provide complete solutions as your partner in the pursuit of coating excellence.

Dip Pretreatment Systems | Industrial Coating Lines

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Dip Pretreatment Production Line for Metal Profiles with Stable Passivation and High Coating Adhesion Performance

Advantages of Dip Pretreatment

Long-lasting, Trouble Free Operation

Maximum Cleaning Performance

Reduce Labor and Expense