Rock Fiber, Inc.
About Rock Fiber, Inc.
Rock Fiber Inc. is developing a new, superior and cost-effective fiber for reinforcement using a proprietary induction process to fiberize igneous rock. The fiber enables lighter, stronger, more durable composites for applications from seawalls to windows frames to bullet trains. It is positioned as a sustainable, near-zero emissions, made-in-America drop-in substitute for glass fibers with potential to replace steel and aluminum in certain uses.
Investors
Not disclosed in the source filing. Form D filings do not list investors — StreetZero surfaces them from news where available.
Key highlights
- Raised $3.49M via private placement in Houston, TX.
- Proprietary induction process converts igneous rock into high-performance fiber with near-zero emissions.
- Targets composites market as cost-competitive, sustainable alternative to glass fiber, steel, and aluminum.
- Formed ReforceTech Americas joint venture to commercialize products.
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Source document & SEC filing
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