This section provides an overview for solid lubricants as well as their applications and principles. Also, please take a look at the list of 5 solid lubricant manufacturers and their company rankings. Here are the top-ranked solid lubricant companies as of November, 2024: 1.ADDINOL Lube Oil GmbH, 2.DuPont., 3.Parker Trutec, Inc..
Table of Contents
A Solid Lubricant refers to a solid material used to reduce friction and wear.
Applied to friction surfaces of mechanical components and machinery, it provides lubrication even in conditions where liquid lubricants may not be effective, such as high temperatures, high pressures, or extreme environmental conditions. Generally characterized by high durability, solid lubricants often outlast liquid lubricants and greases, reducing the frequency of reapplication and easing the maintenance burden. Some solid lubricants possess self-lubricating properties, eliminating the need for additional external lubricants.
However, it's worth noting that certain solid lubricants may not be suitable for low-speed applications. Proper usage conditions are essential to reduce friction effectively at low speeds.
Solid lubricants find applications in various industries and practical scenarios.
In metal processing, solid lubricants are employed as agents to reduce friction and heat generation between tools and metal, extending tool lifespan and enhancing processing quality. For instance, in metal cutting operations, solid lubricants like graphite are used to reduce blade wear and improve cutting precision. When applied to drill bits in metal hole drilling processes, solid lubricants can enhance drilling efficiency.
In machinery, especially in lubricating bearings and gears operating under high loads and temperatures, solid lubricants contribute to extending the lifespan of components and improving efficiency. Solid lubricants are used in automotive brake and engine parts to reduce friction under high-load conditions. Additionally, in high-temperature operating environments, where conventional liquid lubricants may degrade, solid lubricants prove advantageous. Examples include their use in oven conveyors and industrial furnaces operating at high temperatures.
In high vacuum conditions where liquid lubricants are unsuitable, solid lubricants become necessary. They find applications in the aerospace industry and propulsion components of spacecraft, among other scenarios.
The lubrication principle of solid lubricants is based on the ability of fine particles or films of solid material to reduce friction and control wear.
By forming a fine and slippery film on the contacting friction surfaces, solid lubricants prevent direct contact between surfaces, reducing friction. Typically, these films are formed by the particles of solid lubricants adhering to and dispersing on the surfaces. Some liquid lubricants tend to decompose at high temperatures, making solid lubricants effective even under high-temperature conditions.
There are various types of solid lubricants, each with distinct characteristics and applications. Here are examples of major types:
MoS2 is a black powder material commonly applied to the surfaces of metal components. It excels in high-temperature lubrication, especially in metal-to-metal contact surfaces. With a fine layered structure, these layers can slide relative to each other, reducing friction effectively. MoS2 exhibits durability even under high-load conditions.
Graphite is a crystalline structure of carbon, appearing as a black powdery solid. It is advantageous in high-temperature and high-vacuum conditions, making it suitable for applications in electronics and bearings. With an extremely low coefficient of friction, graphite is either applied to friction surfaces or embedded into components.
PTFE is a polymer known for its non-stick and low-friction properties, with Teflon being its most famous trademark. Chemically stable, PTFE is used in various applications, including the food industry, electronics, and automotive components.
BN has a crystalline structure consisting of boron and nitrogen. It is suitable for lubrication under high temperatures, high vacuum, and high-load conditions, making it ideal for applications in automotive and industrial machinery. Compared to MoS2, BN has relatively high thermal conductivity, making it advantageous in high-temperature conditions.
*Including some distributors, etc.
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DuPont de Nemours, Inc., commonly shortened to DuPont, is an American multinational chemical manufacturer headquartered in Wilmington, Delaware, and established in 1802. The company offers adhesives and coatings for electronic components, commercial inkjet inks for printing solutions, surfacing materials and insulating foam sealants for building constructions, chromatography resins for protein purification, as well as lubricants and fluids for various electronic component applications. They also provide specialty enzymes and proteins for food production, thermal management materials, and microbial control products for industrial hygiene. DuPont serves various industries, including automotive, building and construction, energy, packaging and printing, as well as water management.
Parker Trutec, Inc., established in 1988 and headquartered in Ohio, USA, is a manufacturer of surface treatments for metal components. The company offers various coating and heat treatment solutions, including e-coat, zinc phosphate, and black oxide. Its powder coating solutions provide a decorative finish for appliances and marine components, and its isonite nitriding treatments, including Li2Fe3, salt bath, and gas soft nitriding, improve the hardness and fatigue resistance of metal parts. The company's products are used in agriculture, marine, and military industries. It also offers hem sealing, shot blasting, and clamping press services.
Fenner Precision, established in 1911 and based in Lincoln, United Kingdom, is a supplier of polymetric, metal, and textile-based industrial solutions. The company-produced products are supplied to different industries, including aerospace, agriculture, material handling, food processing, and manufacturing. The elastomeric solutions are used in aerospace, wind turbines, ATMs, and 3D printers. With manufacturing units in Europe and North America, the company produces rubber, silicone polyurethane, and cured and uncured products, along with coated and uncoated fabrics.
Ranking as of November 2024
Derivation MethodRank | Company | Click Share |
---|---|---|
1 | ADDINOL Lube Oil GmbH |
37.5%
|
2 | DuPont. |
37.5%
|
3 | Parker Trutec, Inc. |
12.5%
|
4 | Fenner Precision |
12.5%
|
Derivation Method
The ranking is calculated based on the click share within the solid lubricant page as of November 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
Country | Number of Companies | Share (%) |
---|---|---|
United States of America | 1 | 100.0% |