Processing Tips for KeyOrthoModel® Grey:
1. Ensure that resin is tempered to ambient temperature (20–25 °C/68–77 °F) prior to printing.
2. In order to achieve consistency of the resin and to prevent bubbles, agitate the bottle 1 hour prior to use. If
bubbles are present, remove with a clean instrument/spatula.
3. Only use KeyPrint® product-specific pre-determined settings for your DLP 3D printer. KeyOrthoModel®
should be used with a 385–405 nm UV light source. Printers using alternative light sources require validation
by Keystone’s technical team for optimal settings. Unless specified, always print using the settings provided
at keystoneindustries.com.
4. Resin coated parts should be cleaned with Isopropanol (at least 97%) within approximately 8 hours from
the completion of the print. Do not allow the parts to sit in Isopropanol for longer than 5 minutes as the
properties may begin to deteriorate.
5. Keystone discourages the use of denatured alcohol or ethanol for cleaning as it may diminish or degrade the
quality of the finished parts.
Directions for cleaning and post-cure treatment of printed part(s):
1. Remove part from printer and build platform.
2. Remove support structures from the part if applicable (optional: remove supports before or after post-cure).
3. Place in Stage 1 Isopropanol (IPA) bath. This bath is used for the first wash of any part coming from
the printer.
4. Remove excess liquid resin from the printed part. This can be done by running fingers over the surface,
swishing or vibrating with the part submerged in the IPA bath.
5. Transfer the part(s) into a Stage 2 IPA bath. In order to achieve optimal final print quality, use fresh IPA with
lower concentration of contaminants. Using a soft scrub brush or toothbrush can help remove excess resin.
6. Use compressed air to dry part, looking for residual liquid resin, which will be visible as it remains glossy. If
residual resin remains, repeat steps 5 & 6 as needed.
7. Place the part in a post processing cure box, being sure to place the part flat to prevent warping. Refer to
keystoneindustries.com to locate validated cure box settings. Our resins are compatible in cure boxes with
UV wavelengths of 250–390 nm.
8. Allow part to cool completely before removing from the cure box to prevent surface defects or warping.

https://keyprint.keystoneindustries.com/ 

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