Overview of Polytetrafluoroethylene(PTFE) Powder
Polytetrafluoroethylene (PTFE), also known as the "King of Plastics", Teflon, Teflon, etc., is a high-performance synthetic polymer material. It is made by the polymerization reaction of tetrafluoroethylene monomers, and its chemical formula can be expressed as (C₂F₄)n.
Excellent chemical stability: It remains stable in a wide range of chemical environments and is almost not corroded by any chemicals, including strong acids, strong alkalis, organic solvents, etc.
High and low temperature resistance: It can maintain stable physical and chemical properties in a wide temperature range of -180°C to 260°C, and can even withstand higher temperatures for a short time.
Low friction coefficient: PTFE has the lowest friction coefficient among known solid materials, showing excellent non-stickiness and self-lubrication.
Non-hygroscopicity: It absorbs almost no water and has good waterproof properties.
Electrical insulation: It can maintain excellent electrical insulation even in high temperature and high humidity environments.
Physiological inertness: It is non-toxic to the human body and can be used as medical implants, such as artificial blood vessels and organ materials.
Overview of Polytetrafluoroethylene(PTFE) Powder
Features of Polytetrafluoroethylene(PTFE) Powder
1. PTFE micro powder is a low molecular weight white micro powder processed by a special process. It has excellent wear resistance, self-lubrication, chemical resistance and thermal stability;
2. It can significantly improve the product's wear resistance, smooth surface feel, and enhance scratch resistance and other properties.
Parameters of Polytetrafluoroethylene(PTFE) Powder
| No. | Item | Unit | Index Value |
| 1 | Appearance | White fine powder | |
| 2 | Moisture content | ≤ 0.05 | |
| 3 | Average particle size D50 | μm | ≤1 （200nm） |
| 4 | Melting point | Celsius℃ | 327±5 |
| 5 | Apparent density | g/l | ≤700 |
| 6 | Corrosion resistance | No change | |
| 7 | Molecular weight | 10000-30000 |
| No. | Item | Unit | Index Value |
| 1 | Appearance | White fine powder | |
| 2 | Moisture content | % | ≤ 0.05 |
| 3 | Average particle size D50 | μm | 1.6±0.6; 4um |
| 4 | Melting point | Celsius℃ | 327±5 |
| 5 | Apparent density | g/l | ≤450 |
| 6 | Decomposition temperature | Celsius℃ | 360 |
| 7 | Corrosion resistance | No change | |
| 8 | Molecular weight | 5000-15000 |
| No. | Item | Unit | Index Value |
| 1 | Appearance | Whiteness | White ultrafine powder |
| 2 | Average particle size D50 | μm | 12.8±4.8 |
| 3 | Purity | % | 99.99 |
| 4 | Moisture content | ≤0.05 | |
| 5 | Melting point | Celsius℃ | 327±5 |
| 6 | Apparent density | g/l | ≤400 |
| 7 | Molecular weight | 10000-30000 | |
| 8 | Corrosion resistance | No change |
Applications of Polytetrafluoroethylene(PTFE) Powder
1. Plastics
PTFE powder can be used as a modifier for synthetic materials. At present, almost all engineering plastics with improved lubrication performance in the world are mixed with PTFE powder. For example, adding 5-25% PTFE powder to resins such as PA, POM, PC, PBT, PPS, ABS, etc. can significantly improve the wear, friction and viscous sliding properties of parts made of these materials. It can be used to manufacture gears, bearings and pulleys, etc. It can also be used to replace metal parts that play a lubricating role, reduce the weight of parts and reduce maintenance costs. Please consult our company for the specific amount of addition.
2. Coatings
PTFE powder can obtain and improve a variety of high-performance coatings to meet the needs of industrial development for the coating industry, such as coils, powders, leather, home appliances, wheels, engineering machinery, non-stick coatings, etc. The recommended dosage is 0.1-1% of the total amount. It is added in the early stage of the production process and requires high-speed stirring to achieve the best dispersion effect. Note: In order to maintain the good dispersion and blending properties of PTFE powder, it can be placed in an oven at less than 120 degrees before use.
Company Profile
Company Profile
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.
The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.
If you are looking for high-quality Polytetrafluoroethylene(PTFE) Powder, please feel free to contact us or click on the needed products to send an inquiry.
Discovered Polytetrafluoroethylene(PTFE) Powder
Storage conditions
1. Packaging 25 kg paper barrel packaging.
2. Cool, dry and ventilated, below 60℃, not close to fire.
3. The shelf life in sealed packaging is one year.
Payment term
T/T, Western Union, Paypal, Credit Card etc.
Shipment term
By air, by sea, by express, as customers request.
Packaging
FAQs of Polytetrafluoroethylene(PTFE) Powder
Q: Can PTFE withstand high temperatures?
A: Yes, PTFE can withstand very high temperatures, maintaining its properties up to 260°C (500°F) continuously and short-term exposure to even higher temperatures before it starts to degrade. It does not melt but will begin to decompose above approximately 327°C (620°F).
Q: Is PTFE resistant to chemicals?
A: PTFE is highly resistant to almost all chemicals due to its strong carbon-fluorine bonds, making it impervious to acids, bases, and most solvents. It's one of the most chemically inert materials available.
Q: Is PTFE environmentally friendly?
A: PTFE itself is stable and inert, posing minimal environmental risks when used. However, its production and disposal can be problematic if not managed properly, as certain byproducts or decomposition products may be harmful. Recycling options exist but are limited due to the material's complex nature.
Q: Can PTFE be recycled?
A: Yes, PTFE can be recycled, although the process is more complex compared to other plastics due to its chemical structure and the need for specialized facilities. Some manufacturers offer take-back programs for used PTFE products to ensure proper recycling or disposal.
Q: Is PTFE resistant to acids and bases?
A: Yes, PTFE is highly resistant to almost all chemicals, including strong acids and bases like hydrofluoric acid, aqua regia, and sodium hydroxide. It is one of the most chemically inert materials known.
Q: Does PTFE have any disadvantages?
A: While PTFE offers many advantages, it has a few limitations. It has a relatively low mechanical strength compared to some other plastics and metals, and it can cold flow under pressure or with heavy loads. Additionally, it can be difficult to bond to other materials without special treatments.
