The application of color masterbatch in PPR plastic water pipe will cause severe end face whitening and solution.
Plastic will generally have stress whitening phenomenon, according to the theory of crazing, pipe cutting face by shearing tool, there are many small crazes in the crystalline region of the cross section area, the macro performance is the phenomenon of white is white, if the pipe is less clear.
Unable to solve, the end cut white is a normal phenomenon, belongs to the inherent nature of the material itself.
The dispersion of titanium dioxide is also a matter of insufficient plasticization