All I've been able to find is some test slabs they poured in 2021 and a bunch of news/pr articles. It doesn't appear to be widely available or used despite the ease of doing so (it's just an additive added at the plant).
The concrete slab was setting so fast, and so strong, that the builders had begun gliding polishing machines over the driest part of the floor while their colleagues were still pouring the other end of the rink.
"Normally, you'd have to wait a week before you could do that," he says. The installation, in October last year, took less than a day.
"By adding as little as 0.1% graphene into cement and aggregate, you can potentially use less material to get the same performance," explains Mr Baker. Reducing the amount of concrete used in construction for instance by 30%, could lower global CO2 emissions by 2-3%, he estimates