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How Long Does Resin Take To Cure?


Resin does come in various forms and has different applications. The curing process is affected by the temperature and mixture used in helping the resin to cure. Resin requires specific temperatures and conditions for the resin to harden and produce the desired result.

Typically, resin takes 24 hours to cure. The curing process is dependent on the size of the project and the type of resin utilized. 

For example, UV resin requires UV light to cure and the process takes a few minutes to harden. UV resin is suitable for making small jewelry and projects. For large resin projects that require a 2-part mixing resin, the curing process requires 24 hrs to fully cure. 

An important ingredient in the curing process is heat application. Resin requires warm conditions for it to properly set and harden. Understanding the manufacturer’s instructions and the mixture will be a guide in knowing how long your resin project will take to cure.

How long should resin sit to cure?

Curing is the process where resin changes state from liquid to solid. This is a chemical reaction that requires the correct temperature and humidity for the reaction to take place fully.

If done correctly the curing process will mitigate the effects of your resin from developing weak points that can lead to cracks and instability in your process.

Allowing for the proper curing of your resin requires patience and following the resin manufactures instructions to allow for sufficient time for the resin to cure.

Resin typically takes 24 hrs. for it to harden. The hardening process needs to take place in warm and well-ventilated conditions. The curing process is also enhanced by the application of heat. This can be done by the use of your hairdryer or heat gun. Be careful when applying the heat to prevent the formation of bubbles while blowing hot air. 

Avoid mixing or curing your resin in cold temperatures as this will lead to your resin not mixing completely. The curing process will be extended while set out to dry in a cold room

How cold temperature affects resin curing?

The cold temperature also affects the curing of the resin. Cold temperatures make it hard when the resin is left alone to harden. The high viscosity makes it difficult the release gases in the resin. With the slow hardening of the resin during the curing process, the resin has trapped bubbles in the resin. This can be seen in the presence of a bubble effect that can be seen in the resin artwork.

How to prevent cold temperatures affecting resin art creation.

Warm up the resin – The application of heat to the resin before the pouring and mixing stage. By heating up the resin you will be able to increase the viscosity of the resin. Be careful to read the manufactures instruction to find the optimal temperature for the resin

You can warm the resin by simply using your hair dryer. Before applying the external heat first check the current temperature of the resin. Once the current temperature has been determined, you can begin blowing hot air into the resin solution. Periodically, check the temperature of the resin with your temperature until you reach the optimal temperature advised by the manufacturer.

How long does resin take to cure under UV Light?

The application of artificial UV light can be particular on the type of resin used. UV resin is an excellent candidate for curing using UV light.

UV resin cures from the sun’s UV light or an artificial UV box. The current time is usually  a few minutes. You can use UV resin to make jewelry and small art projects. 

UV resin can be a good starting point for newbies trying to dip their hands in resin projects. The UV resin really requires any mixing or hardening agent added in the initial art creation process.

The UV resin produces fewer fumes and doesn’t require wearing PPE(personal Protectbe Equipment) such as ventilators and masks. 

UV resin is prone to bubbles forming during the pouring stage. To mitigate the occurrence of bubbles start off by pouring a thin layer of resin. 

If any air bubbles begin to appear, use a hairdryer to remove the air bubbles. Another situation where bubbles may appear is when adding your glitter or any items into your UV resin. Ensure that the added art into the resin is flat as possible and pressed firmly into the resin.  

Avoid moving and changing the objects in the resin, as this will create air pockets and agitate the resin and create more bubbles.

Once the resin is ready to dry, you can leave the resin in the sun to dry. Depending on your geographical location and season this may be affected by cloud cover or the temperature. The ideal time for curing resin outside is with minimal cloud cover and lots of sunlight. This can take 2 to 4 hours for small jewelry items.

Artificial UV lamps and dedicated curing stations can take less than 5 minutes to cure UV resin. 

How to make resin cure faster?

The curing process can be expedited by drying the resin in a hot environment. Working in warmer conditions does enhance the resin in curing at a faster rate.

 In the summer months, this can be accomplished fair easily since the ambient temperature outside is relatively warm. In the winter months, it can be challenging if your workstation is in the basement for example and the temperature is cooler. Make sure that the temperature is constant and warm to allow for the resin to cure faster

The ideal temperature for a faster resin cure is between 75 – 80 Degrees Fahrenheit.  For cold basements and rooms, you can heat up the space with a space heater or heat lamp that can be placed over the resin.

Check out this related posts:

How do you protect outdoor resin art from the sun?

How to protect resin art in the winter?

How to care for resin art?

Ginny Orenge

Hi, my name is Ginny, home and garden decor ideas is a family business specializing in inspiring you in getting in making your own craft at home. I have also loved creating my own art at home. I hope to share my tips in creating both home and garden decorations that you can be proud off.

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