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What are the main defects that can occur during the use of silicone castings?



Air Bubbles in Epoxy Resin Casting One of the main issues that can occur when using silicone molds is the formation of air bubbles inside the material. This problem can compromise the quality and aesthetics of the final product. To prevent the formation of air bubbles, it is essential to thoroughly mix the resin and hardener according to the manufacturer's recommended proportions. Additionally, using a vacuum chamber to remove any air bubbles before the casting process is advisable. RESINPRO offers specific mixers and vacuum chambers to ensure an optimal result.

Resin Shrinkage Another common issue when using silicone molds is resin shrinkage once it has hardened. This phenomenon can cause deformations or cracks in the final product. To prevent resin shrinkage, it is advisable to use high-quality resins and carefully follow the usage instructions. It is also important to avoid sudden temperature changes during the curing process. RESINPRO provides specially formulated resins to minimize the risk of shrinkage.

Incomplete Adhesion Incomplete adhesion between the material and the support is another problem that can occur when using silicone molds. This defect can compromise the durability and strength of the final product. To ensure optimal adhesion, it is recommended to thoroughly prepare the support surface by removing any grease or dust residues. Additionally, using specific primers or adhesives to enhance adhesion is crucial. RESINPRO offers a wide range of primers and adhesives to meet every need.

Opacity of the Final Product Lastly, another issue that can arise when using silicone molds is the opacity of the finished product. This problem can be caused by incorrect mixing of the resin and hardener or by low-quality materials. To achieve a transparent and glossy final product, it is essential to carefully follow the usage instructions and use high-quality materials. RESINPRO provides transparent resins and pigments to create bright and opaque-free finished products.





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