Where can i find the material data sheet?

The link that surfgirlt · July 14, 2019 left is no longer on the ELEGOO website. If you perform a search on their website for the PDF 2020180831.pdf it can't be found. I did discover a reddit reference to the material though. Here: https://www.reddit.com/r/ElegooMars/comments/cjif9n/elegoo_resin_msds/

When I unscrewed my bottle of resin for the first time, I noticed there was no seal on the opening of the bottle. Should there have been a seal?

I’ve ordered dozens of bottles and there has never been a seal on the bottle opening. As long as the plastic bag the entire bottle comes in isn’t tampered with/ripped open it should be fine.

Can this be used in an oyumaru mold and cured with a UV lamp?

It won't work well for casting. I tried doing something similar (with the translucent version); the cured resin does not transmit UV well which means that only a thin layer (a few mm) on the surface will cure. Also, it gets fairly hot when curing so it might melt the plastic you're using for the mold.

3D Fast Resin, UV LCD Curing Resin, 405nm Standard Photopolymer Resin for LCD 3D Printing

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