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...
Simple Analysis of Matting Paper Printing
In the printing process of matt paper, there is often such a problem that the drying performance is poor, the drying speed is slow, and it is easy to “off the ink” during the post-press processing,...
