Demoulding rings are small, round rings made of rigid plastic. They are used to create a base at the end of the extraction hole of a Plastiform impression.
Using the demoulding rings allows you to remove an impression more easily by providing a good grip to pull the impression. The bag contains 21 rings of 7 different diameters, accommodating most standard extractions.
The rings are reusable and cannot be damaged by contact with Plastiforms, ensuring a very long lifespan.
Demoulding rings are included in each Plastiform case. This accessory is essential when using any Plastiform product in cartridges (both 50ml and 400ml) , ensuring simple extraction of impressions, whether they are simple or complex.
Placing the impression on the base created by the ring also allows for proper positioning for optical or three-dimensional inspection machines.
The Demolding Rings are most often used when you need to extract total impressions.
Take your impression until the entire shape is filled.
When the product is about to overflow, place the demolding ring that best fits the hole diameter.
Keep pouring the product until it fills the whole ring.
Once the Plastiform has polymerized, remove the ring by pulling it straight.
Extract the replica using the created handle.
You can reuse the ring for another impression.
Looking for a complete kit to try plastiform?
The case contains all required accessories to use Plastiform. It is the best way to try our solutions for the first time!
The "Working time" is the period during which a Plastiform can be altered after injection, maintaining its initial consistency. This means that the chemical reaction between the two components has not yet progressed to the point where the impression begins to harden.
What does “polymerization time” means?
The "polymerization time" is the time required for the impression to reach its final hardness, such as 20 Shore A for F20, 50 Shore A for F50, etc. This indicates when the impression is fully usable, particularly for precise dimensional measurements.
Are Plastiform products dangerous? Do they cause disturbances during use?
Plastiforms are safe to use; they are neither odorous nor irritating. However, we recommend using vinyl gloves as a precaution to avoid any potential risk. While no allergies have been reported thus far, we cannot entirely rule out the possibility. If you have any concerns, consult a doctor. For more detailed information, please refer to the Safety Data Sheet of the product.
At what temperature does the final impression begin to be altered?
Although plastiforms have been developed for use and measurement in metrological laboratories (20°C), they are not sensitive to changes in ambient temperature. However, above 120°C, the dimensions of the impression will be altered.
How to clean the injection material after taking the impression ?
You don't need to clean the material. The nozzle is going to trash and the tip is reusable after extracting the polymerized material inside it.
How to correctly extract a Plastiform impression?
Plastiforms are highly precise, ensuring that once cured, they maintain perfect contact with the walls of the part, almost as if they are glued. To extract an impression: have a firm grip to pull energetically along the axis of the impression—twisting or unscrewing should be avoided. For this, it is essential to use demolding rings.
What is the smallest diameter at which these products can be effectively used?
For very small diameters (< 5mm), it's best to use a liquid product and make a full impression. However, there is no minimum diameter. Use needle nozzles if you need more precision when pouring the product.
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