Generally considered the "gold standard" for its extreme dimensional accuracy and longevity . It has virtually zero shrinkage (around 0.04%) and can last for decades.
Known as the "workhorse" because it is more affordable and resistant to inhibition. buy silicone for mold making
Best for: Beginners, large industrial molds, and masters that might contain sulfur or other contaminants. Generally considered the "gold standard" for its extreme
Watch out: It is susceptible to —if it touches sulfur (found in some clays), latex, or certain 3D prints, it may stay gooey and never harden. large industrial molds