It is showed that LF48 - type polymerizer was the best selection for medium or small scale PVC enterprises,and had substituted for LF30 - type PVC polymerizer.

• 实践证明:LF48型PVC聚合釜是目前中小型规模PVC生产厂的首选釜型,已逐渐取代LF30型PVC聚合釜。