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Part cleaning is a critical step in manufacturing. During production, metal components are typically coated with oils, greases, coolants, and lubricants after machining or forming. If these residues are not removed properly, they can interfere with coatings, reduce paint adhesion, and accelerate corrosion. Furthermore, effective part washing ensures performance, quality, and long-term reliability. At the same time, manufacturers must balance wash performance with cost control. While part cleaning adds expense to production, it is minor compared to the cost of rejected shipments, rework, or reproducing damaged parts. For this reason, manufacturers rely on structured cleaning strategies to protect both quality and profitability.

That is why manufacturers use different part washing methods depending on the type of metal, soil level, and production environment. In other words, no single cleaning method fits every application.

Common processes include:

  • Immersion
  • Spray
  • Wet vapor blasting
  • Vapor honing
  • Ultrasonic
  • Hand
  • Vibrating tumblers

ZERUST® enhances each of these processes by:

  • Reducing total cleaning time
  • Improving surface preparation and adhesion
  • Preventing flash corrosion after washing metal parts
  • Lowering rework and rejection rates

Below is a breakdown of how ZERUST® solutions improve each method.

Improve Your Part Cleaning Performance

Discover high-performance parts washer fluids engineered to enhance washing metal parts, reduce flash corrosion, and improve washing efficiency across your operation.

Immersion tank washing metal parts during industrial parts washing process

Immersion Cleaning for Metal Parts

Immersion cleaning is widely used for heavy degreasing and descaling. In this process, parts are submerged in a cleaning solution designed to remove:

  • Straight oils and soluble oils
  • Metalworking fluids
  • Forming lubricants
  • Carbon scale
  • Heavy soils and greases
  • Tramp oils

For immersion part cleaning, ZERUST® offers a range of industrial cleaners that remove hydrocarbon soils while minimizing corrosion risk. In addition, these cleaners are engineered to maintain surface integrity after washing. Recommended products include:

  • AxxaWash™ KF-121 – Low-foaming alkaline metal cleaner for light-to-medium hydrocarbon soils, ideal for immersion systems.
  • AxxaWash™ KF-122 – Heavy-duty, hard-water compatible alkaline cleaner suitable for immersion part cleaning.
  • AxxaWash™ KF-123 – Mildly alkaline cleaner that inhibits flash rust in immersion washes.
  • AxxaWash™ KF-124 – Mildly alkaline, flash-rust inhibiting cleaner for immersion applications.
  • AxxaWash™ KMS-220 – Low-foam part cleaner with excellent oil-splitting capabilities, compatible with immersion tanks.
  • AxxaWash™ KMS-310AL – Aluminum and ferrous cleaner that can be used in immersion to remove medium-duty soils.
  • AxxaWash™ NW-10C – Alkaline preservation cleaner that deactivates chlorides and oils and is effective in immersion.
  • AxxaWash™ NW-12C – Extended flash-rust inhibiting cleaner usable in immersion systems

These solutions improve part cleaning results while helping protect components during staging, storage, or transfer. As a result, manufacturers reduce downstream corrosion issues and improve overall reliability.

Hand spray part cleaning on metal components

Spray Cleaning Systems

Spray cleaning uses a pressurized solution to remove contaminants from metal surfaces. Because of its speed and consistency, it is common in automated production lines where consistent washing of metal parts is essential.

For spray cleaning and washers where you are washing metal parts under low to medium spray pressures, include:

By integrating corrosion inhibition into the part cleaning stage, manufacturers reduce downstream failures. Consequently, surfaces remain stable between cleaning and packaging.

Wet vapor blasting for washing to remove corrosion and surface contaminants.

Wet Vapor Blasting

Wet vapor blasting combines pressurized water with abrasive media to remove coatings, corrosion, and embedded contaminants. As a result, this process is effective for restoring surfaces and preparing components for refinishing.

After aggressive cleaning, flash corrosion can occur quickly. ZERUST® addresses this risk with:

  • AxxaVis™ WBA-10 – Counters corrosive anions on metal surfaces and provides extended flash corrosion inhibition. Hard water capable.

For operations that rely on washing metal parts with abrasive systems, adding corrosion control improves consistency and surface stability. Therefore, components remain protected even in demanding environments.

Vapor honing cabinet washing metal parts during precision parts washing

Vapor Honing for Precision Parts

Vapor honing is similar to wet vapor blasting but is typically performed in smaller cabinet systems. Because of its controlled environment, it is ideal for smaller machined components and precision parts.

Benefits of vapor honing include:

  • Dust-free process
  • Simultaneous degreasing and blasting
  • Longer media life
  • Softer surface finish
  • Reduced media embedding

To enhance part cleaning performance, ZERUST® offers:

  • AxxaVis™ WBA-10 – Treats chlorides and water hardness while preventing flash corrosion after washing metal parts.

This ensures surfaces remain clean and protected after processing. Ultimately, it helps maintain dimensional integrity and finish quality.

Ultrasonic tank performing part cleaning on small machined components

Ultrasonic Cleaning

Ultrasonic cleaning uses cavitation created by high-frequency sound waves to loosen and remove soils. As a result, it is highly effective for intricate components and tight geometries.

Ultrasonic part cleaning systems benefit from cleaners formulated to degrease and remove soils without cavitation damage. For this reason, selecting the proper chemistry is critical. Add the following:

These products allow manufacturers to improve cleaning efficiency while minimizing corrosion risk after washing metal parts. In turn, this supports higher production throughput.

Operator performing hand part cleaning on metal component

Hand Cleaning Applications

Hand cleaning is often used for specialty parts, rework areas, or low-volume production. However, it can be inconsistent and labor-intensive.

When washing metal parts manually, corrosion control is especially important. Without proper inhibition, residual moisture and inconsistent drying can lead to rapid oxidation.

ZERUST® solutions for manual part washing include:

These solutions simplify hand cleaning while improving consistency and corrosion resistance. As a result, operators achieve more predictable outcomes.

Vibrating tumbler washing metal parts in industrial parts washing process

Vibrating Tumblers

Vibratory tumbling systems clean, deburr, polish, and descale smaller components using controlled vibration and media movement.

This method is ideal for high-volume part washing of small components. Additionally, it supports consistent surface finishing across batches. To enhance washing metal parts in vibratory systems, ZERUST® offers:

Adding corrosion inhibition to vibratory part cleaning reduces the risk of oxidation between washing and packaging. Therefore, manufacturers maintain surface quality through the next production stage.

Selecting the Right Parts Washer Fluid

Not all washer fluids are created equal. Learn how to choose the right solution for effective part cleaning and improved corrosion protection.

Improve Your Part Cleaning Results with ZERUST®

No matter which part washing method your facility uses, ZERUST® can help improve results while protecting your metal assets.

Our team will:

  • Evaluate your current washing metal parts process
  • Conduct fluid audits
  • Review packaging and VCI integration
  • Analyze corrosion risks
  • Recommend cost-effective improvements

By combining effective chemistry with corrosion control, manufacturers can reduce rework, lower total cost, and improve product quality. More importantly, they can prevent corrosion before it becomes a costly problem.

Contact ZERUST® today to optimize your part washing process and protect your metal components from start to finish.

Take a Smarter Approach to Corrosion Control

Cleaning metal parts is only one piece of the corrosion prevention process. With the ZERUST® Z-CIS® Approach, our engineers evaluate your entire operation, from washing metal parts and fluid chemistry to packaging, storage, and transport. We identify risks, improve performance, and implement cost-effective corrosion management strategies tailored to your facility.

Learn About the Z-CIS® Approach

Tom White

Tom White is the Marketing Manager at ZERUST®, bringing almost a decade of expertise in Vapor Corrosion Inhibitor (VCI) technologies and corrosion prevention solutions. He leads strategic marketing initiatives that showcase ZERUST®’s global product portfolio, from sustainable VCI packaging films to advanced rust preventatives and cleaners. Tom is deeply involved in product launches, trade show planning, digital marketing, and customer engagement, ensuring that ZERUST®’s innovative solutions reach the right industries and decision-makers. With a strong focus on aligning technical expertise with customer needs, he helps drive the brand’s growth and strengthen its position as a leader in corrosion protection worldwide.

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