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Stud bolt ASTM A320 L7 -16 "Thread to Thread"
1, Not sticky: Almost all the material is not bonded with PTFE
coating. Thin film also showed good adhesion properties.
2, Heat resistance: PTFE coating has excellent heat resistance and
low temperature properties. Short period of time can be high
temperature to 300 ℃, generally between 240 ℃ ~ 260 ℃ can be used
continuously, with significant thermal stability, it can work
without embrittlement in freezing temperatures, it does not melt at
high temperatures.
3, Sliding: PTFE coating has a low coefficient of friction. Load
sliding friction coefficient changes, but only in the values
between 0.05-0.15.
4, anti-wet: PTFE coating surface water and oil production
operations are not easy to dip solution, such as sticking a small
amount of dirt, simply wipe clean. Downtime is short, save time and
improve efficiency.
5, Wear resistance: under high load, with excellent wear
resistance. In a certain load, wear-resistant and non-adherence
with the dual advantages.
6, Corrosion resistance: PTFE is almost free from erosion of the
drug, in addition to withstand molten alkali metal fluoride, a
strong acid medium, and above all than 300 ℃ sodium hydroxide
(including aqua regia), strong oxidizing agents, reducing agent and
various organic solvents, can protect parts from being any kind of
chemical corrosion.