Calcium Salt Based Rust Preventative Package RP620

Metalworking manufacturers now face stricter global heavy metal limit regulations. Many traditional barium-containing rust additives cannot pass overseas customs environmental inspections, while ordinary calcium-based raw materials often fail long-term salt spray and damp heat aging tests.

ROLITOM RP620 calcium salt based rust preventative package solves these two core challenges at once. It is a fully eco calcium sulfonate anti-rust additive without barium or any toxic heavy metal ingredients. With low viscosity and universal miscibility, it can be mixed with all mainstream mineral base oils and industrial solvent oils. After dilution, it generates an ultra-thin, transparent protective film on all metal surfaces, and meets multiple national anti-corrosion testing standards, becoming a reliable eco raw material for three mainstream anti-rust oil types.

Product Strengths

1. Zero barium & heavy metal composition, fully compliant with global export environmental standards

   This calcium sulfonate anti-rust additive removes all barium and heavy metal components from the formula. Finished anti-rust oil blended with RP620 will not trigger hazardous substance inspection alarms during cross-border shipment, greatly simplifying export customs clearance procedures for metal protection fluid factories.

2. Dual long-lasting anti-corrosion performance against salt mist and high humidity

   Formulated products pass 8h cast iron salt spray test and 192h continuous damp heat aging test in accordance with industry standards. The dense hydrophobic film formed by this calcium salt based rust preventative package can block salt ions, moisture and oxygen erosion to realize stable long-term metal preservation.

3. Powerful water displacement function to eliminate hidden rust risks

   Unique polar molecular design quickly replaces residual cleaning water and cutting fluid attached to machined parts. It avoids water trapped under the oil film that causes intermittent rust spots during medium and long-term warehouse storage.

4. Mild protection without discoloration of copper, aluminum and other non-ferrous metals

   In the GB/T 5096 copper corrosion test, the product reaches Grade ≤2, which means it will not produce dark oxidation marks on aluminum alloy, copper and brass parts, supporting unified anti-rust oil use for mixed metal batches.

5. Transparent ultra-thin oil film without affecting workpiece surface texture

   Unlike thick grease-like rust inhibitors, RP620-based anti-rust oil forms an almost invisible thin coating. Component surface textures, size markings remain intact, eliminating extra degreasing steps before assembly or secondary machining.

6. Low viscosity design brings convenient room-temperature batching

   This calcium salt based rust preventative package has moderate viscosity within 150~180 cSt@40℃. It can be evenly mixed with base oil or solvent at normal temperature without heating equipment, reducing factory energy consumption and mixing cycle time.

Typical Physical & Chemical Test Indexes

Application Range & Operation Guide

Applicable Anti-Rust Oil Categories

This calcium sulfonate anti-rust additive can be deployed to produce three mainstream industrial rust protection oils:

1. Water-displacement dehydrating anti-rust oil

2. Long-term sealed storage heavy anti-rust oil

3. Thin-film temporary anti-rust oil

Applicable Metal Workpieces

Carbon steel, grey cast iron, aluminum alloy, red copper, brass and most conventional engineering metal materials.

Service Scenarios

• Indoor sealed warehouse storage: provides continuous stable anti-corrosion protection for at least 12 months;

• Short-term outdoor temporary protection: resists light rain, high humidity and mild coastal salt mist.

Standard Batching Rules

• Recommended weight dosage: 8% ~ 15% of total formula weight. Increase or decrease the proportion according to target anti-rust duration and environmental humidity.

• Operation tip: Fully stir RP620 calcium salt based rust preventative package uniformly before mixing with base oil or solvent to guarantee consistent film-forming and anti-rust performance.

• Pre-production reminder: Carry out small-batch compatibility and anti-corrosion verification tests before mass formal production.

Packaging Specifications

• Standard shipping package: 200L sealed metal drum, net weight around 190 kg per barrel

• Custom bulk supply: 1000L IBC tote tank available upon customer advance consultation

Frequently Asked Questions

Q1: What is the core environmental advantage of RP620 calcium salt based rust preventative package?

A1: This calcium sulfonate anti-rust additive contains zero barium and heavy metal substances, fully meets international chemical environmental control standards, and avoids customs inspection obstacles for exported metal protection oils.

Q2: What anti-corrosion test standards can finished oil blended with RP620 pass?

A2: It passes 8-hour cast iron salt spray test (SH/T 0081) and 192-hour damp heat aging test (GB/T 2361), and reaches Grade ≤2 in copper corrosion test to protect non-ferrous metals from discoloration.

Q3: What is the recommended mixing dosage of RP620 for general dehydrating anti-rust oil?

A3: The standard addition range is 8 wt% ~ 15 wt%. Appropriately raise the proportion if the finished oil needs to adapt to high humidity or mild salt fog storage environment.

Q4: Will RP620 rust additive cause oxidation discoloration on copper and aluminum parts?

A4: No. It only reaches Grade ≤2 in copper corrosion test, offering mild passivation protection without dark spots or oxide layers on aluminum, copper and brass workpieces.

Q5: How long can unopened RP620 raw material drums be stored normally?

A5: The shelf life of intact sealed barrels under standard warehouse conditions is 12 months. Expired materials can only be put into production after passing full performance re-inspection.