1. Light weight, high specific strength. Fluoroplastics are light, and the density of fluorine plastics is generally between 0.9~2.3g/cm3, only 1/8~1/4 of steel and about 1/2 of aluminum, while the density of various foamed fluoroplastics is lower, about 0.01 ~ O.5 g/cm3. The strength calculated by unit mass is called specific strength, and the specific strength of some reinforced fluoroplastics is close to or even more than steel. For example, alloy steel has a tensile strength of 160 MPa per unit mass, while glass fiber reinforced fluoroplastics can reach 170-400 MPa.

2. Excellent electrical insulation performance. Almost all fluoroplastics have excellent electrical insulation properties, such as minimal dielectric loss and excellent arc resistance, which are comparable to ceramics.

3. Excellent chemical stability. Generally, fluoroplastics have good corrosion resistance to chemicals such as acid and alkali, especially the chemical corrosion resistance of PTFE is better than that of gold, and even can resist the corrosion of strong corrosive electrolytes such as "aqua regia", which is called "fluorine plastic king".

4. Anti-friction, good wear resistance. Most fluoroplastics have excellent antifriction, wear and self-lubricating properties. Many of the friction-resistant parts made of recycled fluoroplastics are made use of these characteristics of fluoroplastics. When some solid lubricants and fillers are added to the wear-resistant fluoroplastics, the friction coefficient can be reduced or its wear resistance can be further improved.

5. Light transmission and protection performance. Most fluoroplastics can be used as transparent or translucent products, of which polystyrene and acrylic fluoroplastics are as transparent as glass. Organic glass chemical name is polymethyl methacrylate, can be used as aviation glass materials. Fluoroplastic films such as polyvinyl chloride, polyethylene, and polypropylene have good light transmission and thermal insulation properties, and are widely used as agricultural films. Fluoroplastics have a variety of protective properties, so they are often used as protective and protective equipment, such as fluoroplastic films, boxes, barrels, bottles, etc.

6. Shock absorption, sound reduction performance is excellent. Some fluoroplastics are flexible and elastic. When they are subjected to frequent mechanical shock and vibration from the outside, they produce viscous internal friction and convert mechanical energy into heat energy. Therefore, they are used as shock-absorbing and sound-absorbing materials in engineering. For example,Recycling fluoroplasticsThe bearings and teeth can reduce noise, and various foam fluoroplastics are widely used as excellent shock absorption and sound absorption materials.

The excellent properties of the fluoroplastics make it widely used in industrial and agricultural production and people's daily life; it has been used as a substitute for metal, glass, ceramics, wood and fiber materials from the past, and has become an indispensable material for modern life and cutting-edge industry.

However, fluoroplastics also have shortcomings. For example, the heat resistance is worse than metals and other materials. Generally, fluoroplastics can only be used at temperatures below 100 ℃, and a few are used at about 200 ℃. The thermal expansion coefficient of fluoroplastics is 3~10 times larger than that of metals, which is easily affected by temperature changes. Under load, fluoroplastics will slowly produce viscous flow or deformation, I .e. creep phenomenon; In addition, fluoroplastics in the atmosphere, sunlight, long-term pressure or under the action of certain qualities will be aging, so that the performance deterioration. These disadvantages of fluoroplastics more or less affect or limit its application. However, with the development of recycled fluoroplastics and the deepening of research on fluoroplastic materials, these shortcomings are gradually being overcome, and novel fluoroplastics and various fluoroplastic composites with excellent performance are emerging.

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