PFA and PTFE are the most common fluorinated polymers produced by dupont
PFA PFA is short for perfluorooxygenyl, or Teflon under the DuPont trademark?PFA.PFA has a low coefficient of friction, so it has excellent non-viscous properties.It is a fairly soft polymer with...
What is the principle of heat exchanger?
Piece of corrugated plate heat exchanger due to the plate bending surface special function make fluid along the narrow channel flow to break the speed change in fluid velocity (Rc = 200) has a strong...
Application of plate heat exchanger
A. refrigeration: used as a condenser and evaporator. B. Hvac: intermediate heat exchangers used with boilers, intermediate heat exchangers for high-rise buildings, etc. C. Chemical industry: soda...
Polytetrafluoroethylene -------- ---- the king of plastics
Teflon is a novel plastic.It was discovered during world war ii, and formal production was only nearly 20 years old.So why is teflon called the "king of plastics"?Because it has many properties that...
