PVC lubricant

Normally, there two types of lublicant for PVC indutry, internal and external lubricant. An internal lubricant is with good performance at: 1.Reducing heat in production process; 2.Give lower melt viscosity; 3.Postpone gelation; 4.Improve flow charateristics. While an external lubricant supporting following performance: 1.Delay gelation; 2.Improve gloss; 3.Reduce friction; 4.Provide release properties. For PVC process, Internal…