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PA range molding silicones are translucent addition-curing (platinum) silicones, recognized for their very high reproduction precision, low shrinkage, and excellent dimensional stability.
Easy to use thanks to their 1:1 mixing ratio, they stand out for their high fluidity, which helps limit bubbles, as well as their fast curing at room temperature.
The translucency of our PA silicones offers a real advantage during pouring, allowing you to visualize the inside of the mold and perfectly control the filling.
Compared to traditional silicones, platinum silicones offer superior performance, with high chemical resistance and optimal durability, even for repeated or series productions.
Suitable for silicone molding, RTV, part reproduction, technical and artistic molds.
Its high resistance to alkaline components makes it particularly suitable for applications with concrete or technical materials.
Shore A 22 and 40 versions can be thickened with a thixotropic agent (THIXO) to obtain a paste-like texture, ideal for spatula application on vertical surfaces.
Seal the model’s surface if it is absorbent or has natural porosity.
If the surface to be reproduced is porous (wood, plaster, ceramic, etc.), it is recommended to apply a sealant, a release agent, or wax to prevent silicone penetration and adhesion to the model.
Create a formwork around the object to be reproduced, allowing for a silicone thickness of 3 to 8 mm depending on its hardness.
In a clean, dry container, weigh out the quantity of silicone required and calculate a 1:1 addition of catalyst (e.g.: 100gr base + 100gr catalyst).
Pour the silicone in a thin stream, aiming for the lowest point of the mold.
To limit air bubbles:
Allow to cure at room temperature.
Demolding can generally be done after 6 hours (depending on the environment).
Do not clean the silicone in its liquid state.
Let it harden, then mechanically remove it from tools.
| PA 22 | PA 40 |
Mixing ratio | 1:1 | 1:1 |
Colour | Translucent | Translucent |
Hardness (Shore A) | 20 | 40 |
Pot life at 23°C | 30 min | 25 min |
Demolding | 4 h | 3 h |
Density (g/cm³) | 1.10 | 1.08 |
Viscosity (mPa.s) | 12000 | 12000 |
Linear shrinkage (%) | >0.1 | >0.1 |
Elongation (%) | 400 | 250 |
Storage | 12 months | 12 months |
The Release Spray ensures quick and optimal demolding.
Protective gloves offer excellent chemical resistance.
The Accessory Pack includes all the necessary equipment to support you in your first steps.
Flat brushes for resin allow precise application for primer coats
The Jesmonite Mixer effectively reduces bubbles and lumps.
