Accessories - 3 of 5Updated 13 November 2026
Demolding Rings
A demolding ring gives you a grip to pull a cured impression out of a cavity.
What a Demolding Ring Does
A demolding ring is a small plastic tube. Placed on a filled cavity, it holds a surplus of product above the part. Once cured, that surplus is the grip you hold to pull the impression out.

How to Use It
- Choose the ring that fits the diameter of the cavity before you inject.
- Fill the cavity, then stop injecting.
- Place the ring on the cavity and finish the injection inside it.
- Build a grip about 1 cm high.
- Take the ring off after polymerization, hold the grip firmly, and pull straight.
When You Need a Bigger Grip, or None
A large impression made with an XL product takes more force to extract. Use larger rings for a more generous grip.
With a Pasty product in a through bore, you do not need a ring. The surplus of product left at the entry is the grip.
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