Business Insider

PyroGenesis Announces 28-Day Lab Strength Tests Achieve Up to 99.56% Above Compressive Strength Target for Green Cement Additive Product

MONTREAL, May 02, 2024 (GLOBE NEWSWIRE) -- PyroGenesis Canada Inc. (http://pyrogenesis.com) (TSX: PYR) (OTCQX: PYRGF) (FRA: 8PY), a high-tech company (the “Company ...
For Construction Pros

A Study on Estimating Concrete Compressive Strength by Mechanical Impedance

Currently, the rebound hammer is widely used for estimation of compressive strength of concrete as general testing method. Although rebound hammer has made great contribution for compressive strength ...
Nasdaq

Argo Graphene Solutions Reports 56-Day Compressive Strength Test Confirms 25% Total Increase in Graphene-Infused Concrete

7-day strength: 3,428 psi 28-day strength: 4,449 psi (11% increase over design) 56-day strength: 4,974 psi (24.35% increase over the 4000 PSI design. The Argo graphene additive mix consists solely of ...
Seeking Alpha

PyroGenesis Announces 28-Day Lab Strength Tests Achieve Up to 99.56% Above Compressive Strength Target for Green Cement Additive Product

For SAI tests, a cement additive product test is acceptable at a minimum strength of 75% of the control product strength. i For one Series B test, the Portland Cement control achieved a compressive ...