Lubrizol 7067c [2021] Here

Lubrizol 7067C: Elevating Engine Oil Performance and Shear Stability

In the demanding world of automotive lubrication, maintaining the perfect viscosity across a wide temperature range is critical. Lubrizol 7067C is a high-performance olefin copolymer (OCP) viscosity modifier engineered to meet these challenges, offering exceptional shear stability and thickening efficiency for premium motor oils.

This post explores the key benefits, application guidelines, and performance advantages of incorporating Lubrizol 7067C into lubricant formulations. What is Lubrizol 7067C?

Lubrizol 7067C is a solid, pelletized olefin copolymer designed as a viscosity index improver (VII). It is often utilized in high-performance engine oils to ensure the oil remains thick enough to protect engines at high temperatures while staying thin enough for efficient lubrication during cold starts. Key Advantages:

Superior Shear Stability: Provides lasting viscosity protection, meaning the oil doesn't break down quickly under heavy mechanical stress, a key factor in extending engine life.

High Thickening Efficiency: Requires a lower treat rate compared to many traditional polymers to reach the same viscosity targets, making it cost-effective.

Improved Low-Temperature Performance: Helps oils meet stringent cold cranking simulator (CCS) requirements, ensuring rapid lubrication during cold weather.

Easy Handling: Being in a solid pellet form, it is easier to store and manage than liquid concentrates. Solubilization and Formulation Guidelines

To unlock the full potential of Lubrizol 7067C, it must be properly solubilized into the base oil. According to industry guidelines for Lubrizol 7060 Series polymers, which include the 7067C type, follow these steps:

Shredding: Before mixing, the solid pellet polymer should be shredded into small particles to increase surface area.

Temperature Control: Solubilize the polymer in oil at temperatures between .

Mixing Time: Complete solubilization usually takes 2-3 hours using conventional high-shear mixing equipment.

Verification: Always filter samples to ensure no undissolved polymer remains, ensuring a high-quality finished lubricant. Performance in Motor Oils lubrizol 7067c

Lubrizol 7067C excels in creating high-performance SAE 15W-40, 20W-50, and 25W-50 oils. Performance Characteristic Shear Stability (PSSI) Excellent PSSI ASTM D-6022 (low percent shear loss) Thickening Efficiency High efficiency (approx. 10.5-11.5 cSt @ 1% polymer) Low-Temp CCS (- )

Good control, typically 2400-4000 cP depending on formulation

By utilizing solid polymers like 7067C, manufacturers gain flexibility in base oil selection—including Group II and Group III base stocks—and can reduce shipping costs associated with pre-blended liquid concentrates. Conclusion

Lubrizol 7067C is an ideal choice for formulators looking to create robust, shear-stable motor oils that meet modern, rigorous specs. Its high thickening efficiency and superior shear stability make it a reliable partner for engine longevity and performance.

For more information on the latest lubricant innovations, visit Lubrizol's insights on additive innovation.

If you can tell me what specific application (e.g., diesel vs. gasoline engines) or viscosity grade (e.g., 5W-30 vs. 15W-40) you are developing, I can provide more tailored performance comparisons. Advantages of Functional V-255 Polymer:

Lubrizol® 7067C is a high-performance Olefin Copolymer (OCP)

viscosity modifier designed for use in a wide range of global engine oils and industrial lubricants. It is primarily recognized for its ability to maintain "stay-in-grade" performance across diverse SAE viscosity grades. IMCD Norway Key Technical Specifications Chemistry: Non-dispersant Olefin Copolymer (OCP). Shear Stability (PSSI):

(ASTM D6278), indicating high resistance to mechanical degradation where 75% of the thickening power is retained after use. Thickening Efficiency: Excellent efficiency, requiring approximately

polymer treat rate to achieve target viscosities in standard base oils (e.g., 100N). Physical Form:

Available as a solid polymer or as a liquid concentrate (e.g., Lubrizol 7077D Functional Products Performance Review 1. Versatility and Grade Coverage

The standout feature of Lubrizol 7067C is its broad compatibility. It effectively manages viscosity for SAE grades ranging from thin oils to heavy-duty Lubrizol 7067C: Elevating Engine Oil Performance and Shear

lubricants. This makes it an ideal "universal" modifier for manufacturers looking to simplify their additive inventory. IMCD Norway 2. Solubility and Blending The polymer exhibits excellent solubility

in both mineral and synthetic base oils. While it is highly efficient, it requires specific handling during blending: IMCD Norway Temperature: For solid versions, solubilization is recommended between 93°C (200°F) 130°C (266°F) Equipment: When mixing with PAO-4 or I-40A base oils, use of

type stirring devices is recommended to manage the high viscosity increase effectively. 3. Comparative Advantage Compared to competitors like Functional V-255

, Lubrizol 7067C offers slightly higher thickening efficiency (12.4% vs 13.0% for a 1000 cSt target) but may have higher Cold Cranking Simulator (CCS) values at low temperatures (-20°C), which is a critical consideration for winter grade formulations. Functional Products Typical Applications Passenger Car Motor Oils (PCMO): Formulating multigrade engine oils. Heavy-Duty Diesel Oils: Used in conjunction with additive packages like Lubrizol 9331 for commercial vehicles. Hydraulic and Transmission Fluids:

Provides stable viscosity index improvement for tractor and industrial hydraulic systems. Lubrizol 7067C is a cost-effective, high-efficiency solution

for lubricant blenders who prioritize shear stability and "stay-in-grade" reliability. While its low-temperature performance (CCS) requires careful formulation in very thin winter grades, its versatility across SAE 0W through 20W ranges remains industry-leading. IMCD Norway against other members of the 7060 series to see which fits your specific shear stability needs?

ХИМИЯ. ЭКОЛОГИЯ. УРБАНИСТИКА Том 4 - ПНИПУ

Title: Unlocking High Performance: Why Lubrizol 7067C is a Game Changer for Driveline Lubricants

When you dive into the world of industrial additives, the numbers often blur together. Viscosity modifiers, detergents, dispersants—they all start to sound the same. But every once in a while, a specific product code stands out as an industry benchmark. Lubrizol 7067C is one of those codes.

If you are formulating gear oils or manual transmission fluids, you have likely seen this spec on a data sheet. But what makes this particular additive package so special? Let’s break down the chemistry and the performance.

Storage and Handling

Lubrizol 7067C is generally safe, but specific handling protocols must be followed to preserve its quality.

Temperature: Store between 4°C and 45°C. Do not allow to freeze. If frozen, thaw slowly at room temperature and agitate gently; do not use direct flame or steam heat above 70°C.
Water contamination: PMA additives can be hygroscopic. Keep drums tightly sealed. Water can cause cloudiness or hydrolysis.
Shelf life: 24 months from date of manufacture in original unopened containers.
Safety: Normal industrial hygiene. Avoid skin contact; use nitrile gloves. In case of spill, absorb with inert material (clay, sand).

1. Industrial Gearboxes

The most common application is in heavy-duty industrial gear drives. Gearboxes in steel mills, cement plants, mining conveyors, and wind turbines operate under slow speed, high torque conditions. Here, lubricant films are easily penetrated, leading to micro-welding of gear teeth (scuffing). Lubrizol 7067C provides a sacrificial chemical layer that shears before the metal does, preventing adhesive wear. Title: Unlocking High Performance: Why Lubrizol 7067C is

Primary Applications for Lubrizol 7067C

This additive is not a "universal" fix-all, but it is the gold standard for specific, demanding applications.

The Chemistry: The Zinc Debate

One of the most interesting aspects of the 7067C story is its reliance on zinc.

For years, the industry has seen a push toward "ashless" (zinc-free) hydraulic fluids. Zinc can be toxic to the environment, and in applications where a leak might contaminate water or soil, ashless fluids are preferred.

So why does 7067C, a modern product, still rely on zinc? The answer is performance economics.

Zinc-based additives like 7067C offer a superior "load-carrying" capacity at a lower cost compared to many ashless alternatives. For heavy-duty industrial machinery—steel mills, injection molding machines, and mobile construction equipment—the wear protection provided by the zinc in 7067C is often seen as indispensable. It represents the "sweet spot" where maximum protection meets reasonable cost.

Furthermore, Lubrizol engineered 7067C to handle the "yellow metal" corrosion issue that often plagues zinc fluids. Historically, high-zinc fluids could corrode the copper or bronze components in a pump. 7067C includes specific inhibitors that protect these softer metals, solving a historical weakness of zinc chemistry.

3. Industrial Gear Oils

For enclosed gear drives operating at high temperatures, the shear stability of Lubrizol 7067C prevents the oil from downgrading to a lower viscosity grade over time, protecting gear teeth from metal-to-metal contact.

Formulation Guidelines: How to Use Lubrizol 7067C

Using Lubrizol 7067C effectively requires a balanced approach. It is rarely used alone; it is part of a total additive system.

Typical Treat Rates:

As a viscosity modifier: 5% to 15% by weight
As a pour point depressant: 0.5% to 3% by weight

Compatibility: Lubrizol 7067C is compatible with most Group I, Group II, and Group III base oils. However, it is not typically recommended for Group IV (PAO) base oils without specific compatibility testing, as the solvency ratio may differ.

Warning on Mixing: Do not mix Lubrizol 7067C with sulfurized extreme pressure (EP) additives at temperatures exceeding 90°C for prolonged periods without proper antioxidant balancing. The high reactivity of EP chemistry can sometimes neutralize the polymer's effectiveness.

What is Lubrizol 7067C?

Lubrizol 7067C is a high-performance, ashless, extreme pressure (EP) additive package. It is specifically engineered for use in industrial gear oils and grease formulations. The "C" designation in the product name typically indicates a specific iteration or variant optimized for a particular balance of solubility and thermal stability.

Manufactured by The Lubrizol Corporation—a Berkshire Hathaway company and a global leader in fluid chemistry—this additive is designed to protect metal surfaces under the most severe boundary lubrication conditions. Unlike traditional sulfur-phosphorus additives that may leave metallic ash residues, the "ashless" nature of 7067C minimizes deposit formation on hot metal surfaces, extending equipment life and oil drain intervals.