Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to How to calculate how much resin is needed?
When preparing for a resin project, many ask whether it’s practical or safe to mix all the resin needed at once. The answer depends on a few key factors, including your equipment and the type of project involved.
What Determines Safe Batch Size?
The main things to consider are your mixing tool’s capacity and the resin’s working time. If you attempt to mix too much resin at once, you risk an exothermic (heat-producing) reaction, which can cause the resin to cure too quickly or even overheat. For most projects—especially large or deep pours—it’s safer to mix resin in batches sized for your intended working time and what your container can handle comfortably. Using precise digital scales helps you measure exact amounts for batch mixing.
Practical Guidance for Mixing Resin
It’s best to plan your resin mixing according to your project’s needs and the resin manufacturer’s recommendations. If your project requires more resin than your jug or mixing container can safely hold, simply split the total required amount into multiple smaller batches. This approach gives you greater control, reduces waste, and minimises the risk of unwanted curing issues.
- Mix only what you can pour within the resin’s recommended working time.
- Prepare all tools and moulds beforehand to streamline the process.
- Choose robust measuring tools, such as a graduated measuring cup, for accuracy and convenience.
When Batch Mixing Matters Most
Large castings, complex pours, or thick resin applications particularly benefit from batch mixing. For example, when using a deep pour resin like EpoxyTable 5-Five, which supports layers up to 5cm, handling the resin in batches prevents premature setting and keeps your project on track.
Related products
Related guides
Carefully managing how much resin you mix at once ensures safer, more reliable resin results. For more hands-on tips and calculations, explore our main guide on calculating the right amount of resin for your next project.