Any idea what these are made out of?

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My husband is on a job and is replacing a bunch of these light diffuser panels. He just asked if I wanted them. I started digging around Google trying to figure out what material they are, but he’s waiting for a call back, and thought I’d get better results if I came here and asked as well.
I know this forum is full of such a variety of backgrounds and knowledge!

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Thanks!

Edit to add - I’m wondering if they’re laser safe…and I know, never put anything in your machine if you aren’t 100% sure…I don’t. Not worth the risk to me.

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Just eyeballing, I’d say polycarbonate. Does acetone dissolve it?

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I agree, Almost certainly polycarbonate, and if so, the laser won’t touch it.

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Thanks guys. I don’t know if acetone will dissolve it because my husband is still at work.
I told him to let them go in the dumpster, but he convinced me to keep a couple “just in case”. He’s as bad as I am! Hahaha!

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I “scored” two sheets of polycarbonate that I thought was acrylic early on. I gave up after too much testing.

That said, these may work. Research the flame test to make sure they don’t have chloride, then go ahead and test them.

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Prismatic diffuser panels are typically acrylic. To be sure and safe tho I’d suggest doing a burn test.

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My guess is that different brands used different materials. If acrylic they would be cast acrylic. In any case under some circumstances I would consider them a great start on a greenhouse or cold frame to start garden plants earlier in the spring.

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They are not polycarbonate - too brittle and would turn yellow in a year. Most likely acrylic. I have cut them in the past without issues.

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