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  • lithium 12 hydroxy stearate is a lithium soap compound that is commonly used as a grease thickener. It is a white powder that is made by reacting lithium hydroxide monohydrate with fatty acids.

    Greases formulated with lithium soap are preferred for their high oxidation stability and good water resistance, although they do not perform as well at low temperatures. These lubricants also typically have higher dropping points than other grease types.

    The main component of lithium soap grease is 12-hydroxy stearate, which has been incorporated into the formulation of most greases today. Other metallic soaps are sometimes added to these greases as well.

    Fatty Acids (Lithium) & Calcium

    The fatty acids in lithium-based grease are derived from stearic acid or 12-hydroxy stearic acid. They are usually a mix of natural and synthetic oils.

    Lithium stearates are manufactured by mixing distilled or dehydrated stearic acid with equimolar lithium hydroxide monohydrate and heating them to a temperature slightly below boiling point. The resulting dispersions are then collected through spray drying.

    Finished Product and Method of Preparation

    Lithium stearate is a common ingredient in many greases, including lithium-based, calcium-based, and specialty lithium-based. This fatty acid is a favorite among manufacturers of lithium-based grease because it gives the product a smooth, buttery texture. It is usually used in conjunction with a thickened medium-viscosity mineral oil or a synthetic lubricant. The acid is often dispersed in silicone oil or ester oil for added performance at high temperatures.

    Apr 04
    2023
  • molybdenum disulphide grease is an advanced lubricant used in a variety of industrial applications. It is available as an additive to oils and greases, or as a dry lubricant.

    Commonly referred to as “Moly”, Molybdenum disulphide is a naturally occurring material found in the mineral molybdenite. It has a crystal lattice layered structure with weak bonds in different layers and strong bonds between atoms in single layers.

    It is resistant to oxidation and can withstand extreme temperatures, rust, and corrosion. It is also resistant to moisture ingress.

    When applied, molybdenum disulphide forms a thin layer that acts like a protective coating on metal surfaces and reduces friction. It is often used in industrial applications when reactive metals need to be treated with a protective coat to prevent galling.

    This powder is an excellent lubricant for small, tight fitting components. It can be used as a dry lubricant for locks, gears, and bicycle components, or as an additive to oils and greases.

    Molybdenum disulphide is an excellent lubricant for drive shafts and splines. These components are often used in automotive or motorcycle vehicles, as well as in agricultural equipment.

    A stable dispersion of uniform, microscopic molybdenum disulfide particles in a highly refined petroleum oil concentrate. As an additive it substantially improves the anti-wear, anti-friction and extreme pressure capabilities of oils and greases and provides reliable lubrication in those demanding applications that approach boundary lubrication conditions.

    Molybdenum disulphide is commonly referred to as “Moly”, and can be a component in many advanced oils and greases. It is a solid lubricant that is used for reduction of wear and friction. It is often used in industrial applications where extreme temperatures, rust, and corrosion are present.

    Apr 03
    2023
  • Choosing the best motor oil additive is essential for your vehicle. It should be able to improve the performance and longevity of your engine.

    Fortunately, there are some great options out there. These products work well for high mileage engines and are designed to help flush unwanted deposits and lubricate the internal components.

    One of the best options is the Archoil AR9100 Oil Additive. This product is a good choice for gas or diesel engines and is especially helpful with gearboxes and hydraulic systems.

    Another option is Liqui Moly Cera Tec Friction Modifier, which works well with any engine type and makes it run smoother and more efficiently. It also reduces friction and heat, which helps extend the lifespan of your vehicle.

    Aside from this, it has anti-corrosion properties that prevent the formation of rust and corrosion in your engine. It also contains Zinc, which creates a protective coating to your engine parts that reduces wear and tear.

    In addition, it can lower oil consumption and increase gas mileage by reducing engine temperatures and improving the lubricity of the oil. It can also help stop leaks and reduce exhaust smoke.

    Lucas LUC10130 is a good option for heavy-duty and high-performance vehicles. It is compatible with both conventional and synthetic oils and works well in all types of gasoline and diesel engines.

    This product is a good choice for older vehicles that have accumulated varnish, sludge, and gum in the metal parts of the engine. It is effective in preventing these materials from forming and keeping them clean and free of harmful chemicals. It also increases oil pressure and helps reduce engine noises.

    Apr 03
    2023
  • When deciding on motor oil, it is important to choose the right one for your specific application. There are many different kinds of motor oil available. Each type has its own unique set of benefits.

    Premium lubricants have unique engine oil additives specifically designed to protect key components of your engine. These include heat stabilizers, anti-foam additives, detergents, dispersants and anti-corrosion additives.

    In addition, these oils contain anti-wear additives like Zinc Dialkyldithiophosphate (ZDDP). ZDDP is a high-pressure lubricant that coats moving engine parts and prevents metal-to-metal contact.

    The amount of ZDDP an engine oil needs depends on several factors, including the age of the vehicle and its specific engine parts. Older vehicles, engines with flat tappet camshafts and racing engines benefit from a higher level of ZDDP in their oil.

    Today, most mainstream “parts store” motor oils no longer have the proper level of zinc dialkyldithiophosphate required to protect older cars and engines with hydraulic flat tappet camshafts.

    While most modern day performance engines, as well as older engines with flat tappet camshafts, don’t require the same amount of ZDDP, there are still a few high-performance oils in the market that have been purposefully formulated with a high concentration of ZDDP for use in these applications.

    Unfortunately, due to the negative effects of ZDDP on catalytic converters and oxygen sensors, there are now no motor oils that are approved for on-road use that contain the necessary levels of zinc and phosphorus. This has left enthusiasts with limited options when it comes to choosing a motor oil that can effectively provide the protection they need.

    Apr 02
    2023
  • ZDDP is a heat-activated chemistry that forms a "tribofilm" on metal surfaces to protect them from wear. When the moving parts in your engine create friction and heat, this chemistry decomposes and forms a thin layer of protection on critical metal surfaces, such as cams, lifters, and valve train components.

    In addition to its wear-protection capabilities, zddp oil is also great for corrosion inhibition. This is because it bonds to the metal and prevents it from rusting away as it moves through your engine.

    Zinc dialkyldithiophosphate, or ZDDP, is the most commonly used zinc-based antiwear additive in motor oils. It is found in both mineral and synthetic engine oils, although the latter tends to have higher concentrations of this antiwear chemistry.

    It is a polar molecule that is naturally attracted to steel surfaces, which helps it form a sacrificial film that protects these surfaces from damage. Other additives like detergents and dispersants compete with it for surface space, which can negatively affect its ability to do its job of lubricating.

    When used in combination with phosphorus, ZDDP provides the most effective antiwear performance. However, phosphorus is also responsible for some catalyst poisoning problems, so automakers are increasingly focused on improving other performance parameters rather than adding it to engine oil.

    As a result, the level of ZDDP in today's engine oils has dropped from the original levels of 1,500 parts per million (ppm) that were allowed in API Service Classes SG and SH to 800 ppm, which are permitted in API Service Classification SJ and above. But it's still an effective sacrificial wear agent that can help keep your engine running smoothly and reliably, especially in engines with flat tappet camshafts or modified to produce more horsepower.

    Apr 01
    2023
  • why graphite can act as a lubricant

    Unlike oil or grease, graphite lubricants don’t have a sticky residue that can attract dust. They can withstand both hot and cold temperatures, and they will work even when wet to keep parts moving smoothly.

    why graphite can act as a lubricant

    Graphite is made up of layers of carbon atoms bonded together by weak Van der Waals forces in a hexagonal system. This structure creates a very slippery surface that allows the layers to slide over each other without much resistance.

    why graphite can act as a lubricant

    Because the bonds between the sheets are weak, graphite shows lower shearing strength under friction force. This makes it a highly effective solid lubricant. It has become one of the traditional and primary solid lubricants.

    Why Graphite can be mixed with solvents

    When a fast-evaporating solvent is combined with graphite, it enables the powder to form a dry film that is easily removed from the surface without leaving an oily residue. This type of lubrication works well in tight spots where crystalline carbon can’t reach, and it lasts considerably longer than wet-film lubricants.

    Why a spray-type lubricant is better than a powdered graphite lubricant

    A spray-type lubricant can be applied to surfaces and allowed to set up before use, making the particles less likely to fall into cracks and crevices. They can also be wiped off quickly, reducing the potential for clogging. This is important because a contaminated surface can lead to serious damage to machinery or equipment.

    Mar 31
    2023
  • molybdenum dithiocarbamate (MoDTC) is a widely used automotive lubricant additive which is capable of producing tribologically suitable tribofilms under various operating conditions. It is an ideal lubricant because it has high shear and flow resistance, which is essential for efficient friction reduction. In addition, MoDTC is a green tribochemical catalyst that exhibits high stability and selectivity under mild and eco-friendly conditions.

    Synthesis, reactivity and structure of dialkyldithiocarbamate stabilized molybdenum imido complexes

    In the present thesis, we report the synthesis, reactivity and structure of a series of bis(arylimido) molybdenum dithiocarbamate complexes prepared by two methods. These include the thermolysis of [Mo(O)2] with an organic isocyanate and the treatment of [Mo(NR)2Cl2] with NH4[S2CNEt2].

    The disulfur complexes, which are only formed from very bulky isocyanates, consist of a double sulphur-carbon bond cleavage of an additionally coordinated dithiocarbamate ligand. The molybdenum atom is coordinated by two phosphane-P atoms and the L2 di-anion by an additional phosphane-S bond, which is positioned around the gold atom ring, as shown in Figure 1.

    Synthesis and properties of tribofilms generated from ZnDDP and MoDTC

    Tribochemical spectra are compared between neat zinc dimethiophosphate (ZnDDP) and both zinc dimethiophosphate/MoDTC (ZDDP/MoDTC), which were synthesised by adding different concentrations of the respective compounds. The ZnS content of the tribofilms generated from both compounds was found to be very similar on the steel surface. The ZnDDP/MoDTC compounds were also shown to have a relatively high shear resistance and a very low coefficient of sliding friction.

    Mar 30
    2023
  • pyrolytic boron nitride has a long history as one of the coolest ceramics around, and the technology behind it is nothing short of impressive. The gist of it is that PBN uses chemical vapor deposition (CVD) to create thin and strong crystalline boron nitride microchips, or chips for short, of all shapes and sizes. Specifically, the material is produced by combining oxygen with boron nitride and other gaseous precursors in a controlled environment. The result is a ceramic that can boast of some serious properties, like low thermal expansion, high heat shock resistance and high-grade electrical conductivity, all in a package that can be easily handled by humans or machines. Among the many applications, it is also known for its impressive performance in the heat and light industry, as well as its capabilities as an energy saving device. It is a common component in the manufacture of high-tech gadgets, such as mobile phones and other electronics.

    Mar 28
    2023
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