Polytetrafluoroethylene is an engineering plastic with excellent comprehensive properties. Its excellent properties are unmatched by other plastics.
★ Specifically expressed in the following aspects:
First, a wide range of high and low temperature use: it can be used for a long time in the range of -180 ° C-+25 (TC).
Second, excellent chemical stability: it does not work for almost all corrosive media such as strong acids, strong bases, strong oxidants.
Third, a high degree of electrical insulation: hardly affected by environmental conditions and frequency, c-level insulation material.
Fourth, the protruding surface is not sticky: almost all sticky substances cannot stick to its surface.
V. Good lubricity: It can improve some properties after adding different kinds of filling materials, and it is an ideal material for oil-free lubrication.
6. Good resistance to atmospheric aging, exposed to the atmosphere for many years, the surface and various properties remain unchanged.
These valuable properties make polytetrafluoroethylene over other plastics in solving the harsh conditions and technical difficulties encountered in modern industry, modern science and technology, and modern national defense.
★ Therefore, PTFE products can be widely used in the following areas:
—In the chemical industry, it is used as parts such as seals, pipes, fittings, tower sections, containers, heat exchangers, valves, filter plates and high-reagent vessels.
2. Used as bearings, piston rings, guide rings and machine tool guides in the machinery industry.
3. Used as wires, cables, capacitor films, insulation boards and printed circuit boards in the electronic and electrical industries.
4. In the construction industry, it is used as a support slider for bridges, tunnels, steel structure roof trusses, large chemical pipelines, storage tanks, etc.
5. In the light textile and other industries, due to its non-adhesion, it can be widely used in textile, paper, food, rubber, ceramics and other industries for anti-adhesion and delamination, and has been widely used in medical equipment.
The product must not directly contact the open flame, especially the beaker, and it should not be burned on the open flame. The product is heated to above 415 ° C to cause thermal aging and sharply decompose into highly toxic gases. Therefore, you must pay attention to it during use to ensure that it does not exceed this limit. To avoid poisoning accidents. Generally, the turning speed and feed amount of the turning process should not be too large. It is not recommended to smoke during the turning process to prevent the PTFE powder from contacting the butts and decomposing and inhaling. It is also impossible to burn the turned scraps in an open flame. Also, pay attention to the maintenance equipment before starting the fire Check that no such products are stored nearby. The above points should be strictly controlled in the application.
Polytetrafluoroethylene lining technology is the first time in the history of fluorine processing to successfully sinter the F4 layer directly on the inner wall of the steel part of a container or pipe. Very strong bond strength, which completely determines the fatal defects of traditional products such as F4 layer fatigue caused by the negative pressure of the pipeline due to the "steel-fluorine" two-body structure. At the same time, it also rewrites the theory that "steel-fluorine" cannot be sintered. Suitable for high temperature negative pressure products and large diameter containers. Moulded Teflon lining is equal pressure forming lining, which is made of high-quality PTFE powder directly pressed on the inner wall of steel parts and sintered. Its characteristics are good adherence, no seams, and fresh materials. This method is suitable for medium-caliber products: containers, pipes, elbows, tees, crosses, reducers, shaped parts, etc. The tight lining method uses a polytetrafluoroethylene extruded pipe to pull into the pipe, so that the polytetrafluoroethylene extruded pipe is tightly attached to the inner wall of the steel pipe. It is suitable for pipelines with small diameter and certain negative pressure.
Teflon pipe is made of suspension polytetrafluoroethylene resin and extruded by plunger. Among the known plastics, polytetrafluoroethylene has the best chemical resistance and dielectric properties.
Wire insulation sheath, corrosive fluid medium pipeline.
Teflon pipe specifications
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