【One‑sentence Positioning】

Weakly‑alkaline water‑based rust‑preventive cleaner; ready‑to‑use at ambient temperature, no temperature limitation; non‑corrosive and discoloration‑free for non‑ferrous metals such as aluminum and copper; suitable for mixed‑material cleaning and short‑term inter‑process rust prevention for automotive components.

【Core Tags】

Weakly‑alkaline | Rust‑preventive | Ambient‑temperature applicable | Non‑ferrous‑metal compatible | All‑purpose type | Low‑foaming | No white drying residues

I. Industry Background: Difficulties in Mixed‑Material Cleaning

Modern automotive‑component production lines widely adopt mixed‑material manufacturing: cylinder blocks are mostly cast iron, cylinder heads are aluminum alloy, shaft parts are steel, and shaft‑bushings are copper alloy. Workpieces of different materials circulate on one single cleaning line, which creates conflicting requirements for cleaners. They must remove heavy oil contaminants from steel and cast‑iron parts, meanwhile avoid corroding non‑ferrous metals like aluminum and copper under heated cleaning conditions.

Two major pain points prevail in practical production. First, some cleaners deliver poor detergency at ambient temperature and require heating, yet heating tends to corrode and discolor aluminum and copper, resulting in dark or mottled surfaces. This impairs appearance and may degrade assembly accuracy and service life. Second, cleaned workpieces are prone to rust during inter‑process transfer and temporary storage, requiring separate rust‑protection procedures with longer workflows and higher costs.

CP‑20LCAL is a weakly‑alkaline rust‑preventive cleaner developed to address above‑mentioned challenges. It provides reliable cleaning and rust‑preventive performance at ambient temperature without temperature constraints. It causes no corrosion or discoloration to aluminum, copper and other non‑ferrous metals. One cleaning line can safely handle steel, cast‑iron, aluminum, copper and other materials, hence it is regarded as an all‑purpose cleaner.

II. Product Description

CP‑20LCAL is a liquid weakly‑alkaline water‑based cleaner with rust‑preventive properties. Dominated by organic components, it exhibits good detergency and rust‑protection even at ambient temperature and is free from cleaning‑temperature constraints. Even when heated, it will not trigger corrosion or discoloration on aluminum, copper and other non‑ferrous metals, making it safe for mixed‑material cleaning lines.

Steel and cast‑iron workpieces obtain short‑term rust‑protection after cleaning for inter‑process transfer and temporary storage. No white residues remain after air‑drying and it exerts no adverse influence on subsequent lubrication and assembly procedures. Compatible with immersion, spray and ultrasonic cleaning, it fits both manual cleaning stations and automated cleaning equipment.

III. Technical Parameters

‑ Product Name: CP‑20LCAL General‑Purpose Cleaner for Ferrous & Aluminum Metals

‑ Product Type: Weakly‑alkaline water‑based rust‑preventive cleaner (organic‑component dominant)

‑ Appearance: Liquid

‑ pH (as‑received): Weakly‑alkaline (reference: 8.0‑10.0; refer to latest enterprise technical documents)

‑ Recommended Working Concentration: 3%‑10% (adjusted by contamination severity)

‑ Recommended Cleaning Temperature: Ambient to 60 °C (reliable cleaning & rust‑protection at ambient temperature)

‑ Applicable Materials: Steel, cast‑iron, aluminum, copper and copper‑alloys

‑ Rust‑Prevention Performance: Excellent short‑term rust inhibition for steel and cast‑iron (inter‑process protection)

‑ Foaming Property: Low‑foaming, stable against temperature and pressure fluctuation

‑ Residue Property: Organic‑component dominant; no white residues after drying, compatible with subsequent lubrication

‑ Applicable Cleaning Methods: Immersion cleaning, spray cleaning, ultrasonic cleaning

Note: Above‑listed parameters are for reference only. Official specifications shall subject to the supplier’s latest datasheet and factory inspection reports.

IV. Key Performance Indicators

‑ Cleaning Temperature: Ready‑to‑use at ambient temperature, no temperature constraints

‑ Non‑Ferrous‑Metal Compatibility: Non‑corrosive, discoloration‑free for aluminum and copper

‑ Rust‑Prevention: Short‑term rust‑protection for steel and cast‑iron for inter‑process safeguarding

‑ Foaming Performance: Low‑foaming, stable cleaning performance

‑ Drying Residue: Free of white residues, no negative impact on lubrication

‑ Applicable Processes: Immersion / spray / ultrasonic cleaning (three‑process compatibility)

Note: All above data is obtained under standard test conditions. Actual performance may vary depending on workpiece material, contamination severity and environmental conditions.

V. Application Scenarios

CP‑20LCAL is applied for workpiece cleaning on automotive‑component production lines. Typical scenarios include:

‑ Mixed‑material workpiece cleaning for engine and gearbox component production lines

‑ Mixed‑line cleaning for steel, cast‑iron, aluminum, copper and other metal parts

‑ Removal of cutting fluids, machining oils and metal chips after machining

‑ Short‑term rust‑protection treatment before inter‑process workpiece transfer

‑ Cleanliness‑guarantee cleaning prior to component assembly

‑ Precision‑cleaning processes sensitive to non‑ferrous‑metal corrosion and discoloration

Supports immersion, spray and ultrasonic cleaning; integrable into automated cleaning production lines.

VI. Product Advantages

1. Ambient‑temperature operable, temperature‑independent

Delivers reliable cleaning and rust‑preventive performance at ambient temperature; mandatory heating is not required for energy‑saving purposes.

2. Excellent non‑ferrous‑metal compatibility

No corrosion or discoloration occurs on aluminum, copper even under heated‑cleaning conditions. Mixed‑material workpieces can be safely cleaned on the same line.

3. Outstanding short‑term rust‑protection

Superior short‑term rust‑inhibition for steel and cast‑iron parts, eliminating separate inter‑process rust‑protection procedures.

4. Low‑foaming formulation

Low‑foam output, stable against temperature and pressure variation. Well‑suited for foam‑sensitive processes such as spray cleaning.

5. Free of white drying residues

Organic‑dominant formula ensures clean surfaces after drying without white residues and brings no adverse effect on subsequent lubrication.

6. All‑purpose design

Covers multiple metal materials within one cleaning line. Reduces tank‑solution replacement costs and simplifies on‑site management.

7. Weakly‑alkaline formula

Mild pH value, operator‑friendly and equipment‑safe with high operational security.

8. Broad‑process compatibility

Supports mainstream cleaning modes: immersion, spray and ultrasonic; seamlessly integrates into existing production lines.