Guide / Shrinkage Table

Plastic Shrinkage Rate Table

Reference data for mold cavity sizing

Material Shrinkage Reference

Material1-2mm wall2-4mm4-6mmGF%
ABS0.4-0.5%0.5-0.6%0.6-0.7%30% GF: 0.2-0.3%
PP1.5-1.8%1.8-2.0%2.0-2.5%30% GF: 0.8-1.0%
PA60.8-1.2%1.0-1.5%1.2-1.8%30% GF: 0.3-0.5%
PC0.4-0.5%0.5-0.6%0.6-0.8%30% GF: 0.2-0.3%
POM1.8-2.0%2.0-2.2%2.2-2.5%-