https://www.basalt.guru/basalt-fabri...ouch-of-glass/
Quote:
At last, a fabric coating that maintains basalt’s natural golden color. I have been very disappointed for years in the fact that putting an epoxy or vinyl ester or basically any resin on basalt fabric turned it a dark greenish black color almost like carbon fiber.
Now we can put a new proprietary coating on the basalt fabric so it will keep its awesome golden natural color while also encasing the fibers so they are not fraying or itching when rubbed.
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I know what the proprietary coating might be, but there are issues with sizing and silane. Here is a discussion thread about basalt among boatbuilders:
https://www.boatdesign.net/threads/b...r-anyone.6748/
TLDR; works like fiberglass, with advantages. At some cost.