Argo Graphene talks 56-day compressive strength test

Executive Summary

• Argo Graphene Solutions released 56‑day compressive strength results for its graphene‑infused concrete, showing a 24.35 % increase over the design target (4,974 psi vs. 4,000 psi).
• The 56‑day strength represents a 25 % improvement versus standard concrete and continues the upward trend from earlier 7‑ and 28‑day tests.
• Results were obtained on three on‑grade slabs (12.5 m³ total) poured in Bristol, Tenn., and validated by an independent third‑party lab under ASTM C39 standards.

Key Details

• Test location: Diversified Materials Testing LLC, Bristol, Tennessee; pour date = Oct 17 2025.
• Concrete mix: proprietary graphene‑and‑water dilution additive (no superplasticizers or other enhancers).
• Design target compressive strength: 4,000 psi.
• 7‑day strength: 3,428 psi.
• 28‑day strength: 4,449 psi – an 11 % increase over design.
• 56‑day strength: 4,974 psi – a 24.35 % increase over design and ~25 % higher than standard concrete.
• Sample volume: three slabs totaling 12.5 cubic metres (two 20′×30′ slabs; one 15′×25′ slab).
• Testing compliance: ASTM C39 standards.
• CEO quote: “The 25‑percent verification increase with no additional enhancing additives now creates a go‑forward performance baseline…”.
• Future plans: Ongoing project testing and scale‑up at the Regina, Saskatchewan facility to advance commercialization in construction.

Notable Quotes

“This confirms the long‑term benefits and market integration of our graphene‑enhanced concrete,” – Scott Smale, CEO.