How to Achieve the Correct Mixing Ratio for Epoxy Adhesives

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How do I achieve the correct mixing ratio for epoxy?

Getting the mixing ratio right is key to making your epoxy adhesive perform as it should. The balance between resin and hardener affects bond strength, durability, and curing time.

Understanding Epoxy Mixing Ratios

Most two-component epoxy adhesives require you to combine a resin and a hardener in a specific ratio. This ratio varies by product, with some designed for 1:1 by volume, others by weight, and specialised formulas needing precise proportions (such as 100:50 by weight). Always check the packaging or technical datasheet for your chosen adhesive to know the correct ratio.

Practical Measuring and Mixing Tips

Measure both components as accurately as possible using suitable tools—syringes, mixing cups, or electronic scales depending on whether your product is mixed by volume or weight. Pour the two parts together and stir thoroughly until you have a uniform mixture. Poor mixing or inaccurate ratios can lead to soft spots or incomplete curing.

For easy, mess-free dosing, consider products like the Klebfix Two-Component Fast Epoxy Glue—its syringe system ensures precise 1:1 mixing.
Use disposable mixing tools to avoid contamination and for easy cleanup.

When Getting the Ratio Right Matters

Accurate mixing is essential for rapid repairs, bonding where strength is critical, and decorative projects demanding a clear or flawless finish. Whether you are fixing ceramics with FixExpress or making jewellery with an equal-parts craft resin, following the correct ratio is vital for best results.

Related guides

How Do You Make Epoxy Adhesive

Careful measurement and mixing are fundamental to successful epoxy adhesive projects. For more expert advice on making and using epoxy, explore our detailed guide on how epoxy adhesives are made.