Pvc decorative film is not such a parameter PHR, is not the relationship with the hardness of the film?
Generally, the amount of plasticizer used in the soft film is 26-28 parts of the plasticizer + 2-4 parts of the soybean oil, of course, want to continue to increase the soft, but these plasticizers will be over time and precipitation, while Plasticizer plus precipitation is not good opening.
Oil generally refers to plasticizers, powder generally refers to the filler, because PVC film will not only oil will precipitate, the powder industry will precipitate.
Generally said that the amount of plasticizer, and hardness, the greater the more soft
