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Getting the correct ratio of resin and hardener is essential for any epoxy project. One of the first questions to tackle is whether to measure your epoxy by weight or by volume. Here’s a guide to help you decide and do it accurately.
Read the Manufacturer’s Guidelines First
Every epoxy resin formula is different. Some are designed to be mixed by weight, others by volume. Always refer to the specific instructions that come with your resin product. Never assume one method works for all – incorrect mixing can affect curing and the finished result.
Understanding Weight vs Volume
Mixing by weight means using digital scales to determine the exact mass of resin and hardener, which is particularly helpful for precise or larger projects. Mixing by volume, on the other hand, uses measuring cups graded in millilitres for straightforward pouring, ideal for smaller or quick jobs.
- Digital scales like the Precision Digital Scales offer high accuracy for weight.
- Graduated cups provide clear markings for accurate volume measurements.
Practical Tips for Accurate Mixing
Choose your method based on the manufacturer’s recommendation. For weighing, ensure the scales are on a flat, stable surface before starting. For volume, use a graduated cup and check at eye level to avoid parallax errors. Clean your tools after each use to maintain accuracy.
When This Matters Most
Projects that require strength or clarity, such as tabletops or jewellery, are particularly sensitive to mixing errors. Adhering to the correct measuring method will help avoid sticky finishes or incomplete cures.
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By using the correct measuring method for your epoxy resin and following accurate techniques, you’ll set your project up for success. For a full guide, return to our hub on how to measure epoxy resin accurately.