Free shipping on orders over £29,85 
Shipping Tracking! 
Google
Facebook← Back to How to measure resin and catalyst
If your resin stays tacky or sticky after curing, it’s usually due to errors in measurement or incomplete mixing during preparation. Understanding the reasons is the first step to a perfect finish.
Common Causes of Sticky Resin
Resin that fails to cure properly often results from not measuring the resin and catalyst (or hardener) in the correct ratio. Even small inaccuracies can disrupt the chemical reaction needed for curing. Inadequate or rushed mixing can also prevent the two components from combining thoroughly, leaving patches that never set.
How to Prevent Sticky Resin
- Always weigh or measure your components precisely: Using a tool such as Precision Digital Scales or a graduated cup helps avoid guesswork.
- Follow the recommended mixing times: Stir both components slowly and thoroughly, scraping the sides and base of your mixing container to avoid unmixed areas.
- Work in suitable conditions: Temperature and humidity can affect resin’s cure, so follow manufacturer guidance on environmental conditions.
When This Matters Most
Sticky resin is particularly troublesome in artwork, jewellery making, and thin-cast projects where even minor imperfections show. Attention to precision is vital for both professional and hobby craft results.
Related products
Related guides
Ensuring accurate measurement and complete mixing will help you achieve a flawless resin finish. For more tips, see our main guide on how to measure resin and catalyst.