Analysis and Countermeasures of Typical Causes of Foam Breaking of PVC Crust Foam Board
Analysis and Countermeasures of Typical Causes of Foam Breaking of PVC Crust Foam Board There are two main factors in the foaming or foaming of the foamed plastic plate section in theory: one is that the local strength of the melt itself is too low, and the foaming is formed from outside to inside; second, the pressure around the melt is biased Small, swollen local cells, weakened in strength,