Want to save with Paschal? Don’t miss our current offers and specials
Known as the "workhorse" because it is more affordable and resistant to inhibition.
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.
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.
When buying silicone for mold making, the choice depends on your project's detail, the material you're casting (like resin or food), and how long you need the mold to last. 1. Choose Your Cure Type There are two main chemical families for silicone rubbers:
Hardness is measured on the . Lower numbers are softer and more flexible: Mold Making and Casting Products by Category - Smooth-On
Watch out: It has higher shrinkage (up to 1%) and a shorter "library life," often becoming brittle after 1–2 years. 2. Select the Right Hardness (Shore A)
Best for: Food-safe applications (if certified), resin casting, and high-detail prototypes.
