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Performance 65D is a durable urethane elastomer that combines strength and flexibility, making it perfect for projects that need to handle repeated use and impact. It has high tear and impact resistance, so parts stay tough and reliable ove...
Reviews
3.3
3 ratings
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Not what expected.
Product not described accurately, could not use it.
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Raymond · December 27, 2025
Had Me Worried...
The first time I used the 65D, I expected a fast set up and demold time. I panicked when the resin was still super flexible, even flexing with the silicone mold! I didn't realize that it cures more after it sets. Giving it just a little more time, the pieces demolded just fine and harden as they cure further. The only thing that is only slightly detrimental (to me) is that I wish it would cure opaque instead of clearish. However, I added a bit of colorant to fix that. Overall, I think it is a really good product for producing tough, impact-resistant pieces.
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Rick · June 18, 2025
65D
I loved the way it worked and set up for casting my project. But it turned out to be way to "hard" or stiff. I am going to be recasting it but I want to get some "samples" of the different durometers to make a better choice on the next cast. I sent in a request last week for the samples or more detailed description of the durometer hardness and flexibility.