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Getting the mix right is key to a successful resin project. Whether you are casting models, jewellery, or prototypes, it’s essential to understand if your resin should be measured by weight or by volume for the best results.
Understanding Resin Mixing Ratios
Most two-part resins require careful mixing to ensure a proper chemical reaction and a strong cure. For many polyurethane and epoxy resins, measuring by weight with digital scales is the standard approach, as it offers the highest accuracy and consistency, especially for complex chemistry. However, certain resins—such as One-2-One Epoxy Resin—are specifically formulated for a 1:1 ratio by volume, making the process much more straightforward for beginners and crafters without scales.
Practical Mixing Tips
Before starting, always check your product’s instructions—using the wrong method can result in incomplete curing. If your resin calls for weight-based mixing, use accurate digital scales and containers. If it’s a volume-based product, ensure your measuring cups are clearly marked for equal parts.
Careful mixing and scraping the sides of your container will help attain the desired finish and strength for your project, be it a miniature, a decorative piece, or a prototype.
When Does This Matter?
The choice between weight and volume matters most when seeking consistency and reliable results—vital for detailed model work, larger pours, or when replicating results over multiple sessions. For example, products like One-2-One Epoxy simplify small-scale creative projects, while accurate weight ratios benefit users working with polyurethane systems such as “IWhite” or “Polyform”.
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Choosing the correct mixing method helps ensure a reliable outcome, whatever your craft or modelling project. For more details on selecting and using resins for creative purposes, see our hub on what resin does Games Workshop use?.