Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to how to harden epoxy resin
Noticing that your epoxy resin hasn’t fully set and feels sticky? Tacky surfaces are a common frustration in resin work, often caused by a few avoidable missteps. Here’s a practical guide to understanding why this happens and how you can ensure a smooth, hard cure every time.
Mixing Ratios and Technique
Epoxy resin typically comes as a two-part system—resin and hardener—that must be combined in specific proportions. If you use too much or too little of either part, or if you don’t mix thoroughly, the chemical reaction won’t complete and parts of your project can remain tacky. Always check the product’s exact mixing ratio before you begin. For example, the “ICreation” Fast Epoxy Resin uses a straightforward 2:1 ratio, simplifying preparation and reducing the chance of error.
Environmental Factors
Curing conditions matter. Epoxy resin is sensitive to its surroundings, especially temperature and humidity. Cool or damp environments can slow the curing process, leaving the surface feeling sticky or rubbery long after pouring. For best results, keep your workspace at a stable, moderate temperature and avoid excess moisture in the air while your piece sets.
How to Avoid Sticky Resin
- Measure components with care, using digital scales or measuring cups meant for resin.
- Mix slowly and scrape the sides and bottom of your mixing vessel to ensure a thorough blend.
- Follow product-specific recommendations for curing time and conditions.
- If working on repairs or small part bonding, try options like FixExpress Two-Component Epoxy Glue with a simple 1:1 mix ratio.
When This Matters
A sticky finish can ruin the look and durability of artwork, home repairs, or craft projects. This issue is especially important when making jewellery or creating decorative surfaces, so careful preparation and the right product choice will save time and materials.
Related products
Related guides
Sticky epoxy resin is almost always preventable with careful mixing, correct ratios, and by paying attention to the environment. For more tips on achieving the perfect cure, explore our full guide at how to harden epoxy resin.