# Flexible 80A + Pigment

**URL:** <https://forum.formlabs.com/t/flexible-80a-pigment/32936>\
**Category:** General Discussion\
**Created:** [January 13, 2022, 3:52am UTC](https://forum.formlabs.com/t/flexible-80a-pigment/32936 "2022-01-13T03:52:12Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dome.node](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.formlabs.com/dome.node/32/18402_2.png) [@dome.node](https://forum.formlabs.com/u/dome.node)\
**Post date:** [January 13, 2022, 3:52am UTC](https://forum.formlabs.com/t/flexible-80a-pigment/32936/1 "2022-01-13T03:52:12Z")

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I’m trying to find more information about adding pigment to 80A flexible resin. How much can I add? I want to try making it black but I’d be interesting to hear about other options too. THanks

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**Author:** ![RPPelaez](https://avatars.discourse-cdn.com/v4/letter/r/4da419/32.png) [@RPPelaez](https://forum.formlabs.com/u/RPPelaez)\
**Post date:** [February 11, 2022, 9:55pm UTC](https://forum.formlabs.com/t/flexible-80a-pigment/32936/2 "2022-02-11T21:55:50Z")

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Formlabs uses it for their soft tissue prints. You can see the guide here  
[-ENUS-Soft-Tissue-Application-Guide.pdf (formlabs.com)](https://media.formlabs.com/m/5d0425cc8f8a9268/original/-ENUS-Soft-Tissue-Application-Guide.pdf)

They only replace 40 ml of the flex resin, not sure how the properties change if changing the ratio.

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**Author:** ![DavidM](https://avatars.discourse-cdn.com/v4/letter/d/71e660/32.png) [@DavidM](https://forum.formlabs.com/u/DavidM)\
**Post date:** [April 26, 2022, 1:16pm UTC](https://forum.formlabs.com/t/flexible-80a-pigment/32936/3 "2022-04-26T13:16:09Z")

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I think this link might help you, if you are still interested. [Formlabs Medical: The Ultimate Guide to Dyeing, Painting, and Coloring SLA Parts](https://formlabs.com/uk/blog/medical-dyeing-coloring-sla/)

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**Author:** ![system](https://us1.discourse-cdn.com/flex025/uploads/formlabs/original/3X/5/b/5bc2bdf993ff27c2e0eecab5010b25626fbb327a.png) [@system](https://forum.formlabs.com/u/system)\
**Post date:** [October 26, 2022, 1:16am UTC](https://forum.formlabs.com/t/flexible-80a-pigment/32936/4 "2022-10-26T01:16:35Z")

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