4 Tips to Avoid Your Clear Resin Prints From Yellowing

3D printing clear parts can be tricky, one of the challenges is to prevent the resin from yellowing over time. Here are 4 tips to avoid it from happening to your prints.

1) Choose the correct resin

Some resin yellow less than others, here are clear resins we heard good things about:

• Inslogic Clear Resin

• Inland Standard Resin Plus High Clear

• Siraya tech clear

2) Use correct UV exposure time

Overexposure is a major source of clear resin yellowing. Print your model with correct exposure time by doing a cone exposure test. Follow our article here: https://www.aladdinmodel.com/post/how-to-calibrate-your-resin-3d-printer

3) Fully cure your print

If the resin part isn't fully cured during post-processing, it can lead to yellowing. So wash your model then let it dry completly before starting to cure. Make sure that your clear print is fully cured.

4) Apply UV cut clear coat

Exposure to UV from sunlight can yellow your print. Apply UV cut clear coat to avoid the sunlight from yellowing your prints over time.

Example: here is a perfectly printed clear resin canopy

Here are the author's procedures:

• Phrozen mighty 8k printer

• Inslogic clear resin and 5.5 s exposure

• Post processing wash with isopropyl, cure 5 min

• Sanding and MR Color UV Cut lacquer for glossy appearance