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Help CenterResin Model Molding Without Any Pitfalls RTV2 Liquid Mold Silicone Rubber for Mould
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Resin model molding without any pitfalls RTV2 liquid mold silicone rubber for mould Silicone rubber consultation contact: WhatsApp 86 13662816580
Typical application process in resin model manufacturing
Preparation stage: First, clean the surface of the master mold, removing oil stains, dust, and other impurities. If the surface smoothness of the master mold is insufficient, apply a release agent to reduce the resistance during subsequent demolding; then, use wooden strips to build a barrier around the master mold, leaving a 2 - 4cm gap between the barrier and the master mold for the purpose of filling with silicone.
Silicone preparation and pouring: Mix the RTV2 base gel and curing agent in proportion. Under normal ratios, the amount of curing agent added is usually 1.5% - 3%. When the temperature is high, the dosage can be appropriately reduced. After mixing, it is necessary to stir thoroughly. Then, use vacuum defoaming or vibration to remove air bubbles. Slowly pour the silicone into the gap between the master mold and the barrier to avoid generating air bubbles again.
Curing and outer mold reinforcement: After standing at room temperature for 4 - 8 hours, the initial curing can be completed. After removing the initial barrier, build an outer barrier and pour gypsum or resin to make the outer mold. This is to prevent the silicone mold from deforming during subsequent resin pouring.
Demolding and model pouring: After the outer mold has cured, disassemble the mold and remove the master mold. The silicone mold is then completed. It is recommended to store the mold for 24 hours before using. Then, pour the prepared resin into the mold, wait for it to cure, and then disassemble the silicone mold to obtain the formed resin model.
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