US: Sublime Systems’ Sublime Cement reduced-CO2 cement has received an ASTM C1157 designation. InterestingEngineering News has reported that this enables builders to use it in various projects in line with international building codes. Sublime Systems’ cement consists of lime and silica produced by electrolysis using non-carbonate calcium compounds.
CEO Leah Ellis said "Our aim is to make a profound and lasting impact on global CO2 emissions. The ASTM C1157 designation is a validation of our efforts to integrate low-carbon innovation into quality construction materials."