The shrinkage of molded plastic parts can be as much as 20% by volume when measured at the processing and ambient temperature. This volume contraction of polymers often leads to …

Calculate plastic material shrinkage rates for your moulding projects with our easy tool. Access precise shrinkage data for various plastics today!

Material Density g/cm3 Molding Shrinkage (%) LDPE 0.92-0.93 1.5-5.0% LLDPE 0.92-0.94 2.0-2.2% EVA 0.92-0.94 0.7-3.5% HDPE 0.95-0.97 1.5-4.0%

This chart outlines typical mold shrink rates, as well as tonnage recommendations and vent depth values for commonly used plastic materials.

The chart below outlines typical mould shrink rates, as well as tonnage recommendations and vent depth values, for some common-to-moderately used materials and high heat resins: …

Plastic Shrinkage Rate Chart Plastic Shrinkage rate is a volume contraction rate of polymers from the melt state and the cooled condition that will determine the molding parts dimension and …

Our website's reference table page is a comprehensive resource for essential information on plastic materials and injection molding. It provides data on plastic density and shrinkage …

All polymers experience shrinkage. Crystalline materials tend to shrink more, and amorphous materials tend to shrink less. The expected shrinkage rate must be considered when designing …