Sources: Eco Material Technologies Inc., South Jordan, Utah; CP staff Since an early-2022 launch as Boral Resources and Green Cement successor, Eco Material Technologies has secured its core ASTM C618 fly ash marketing and distribution business, while moving quickly on new opportunities: Harvested coal combustion ash and high value supplementary cementitious material (SCM) processing.
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BASF admixture extends CSH utility to increase early, late-age concrete strength
Sources: BASF Construction Chemicals, Admixture Systems, Cleveland; CP staff
BASF has announced a first-of-its-kind liquid admixture that improves early- and late-age strength development in concrete. Dosed at up to 10 oz./100 cwt, Master X-Seed 55 is a stable suspension of synthetically produced crystalline calcium silicate hydrate (CSH) nanoparticles that facilitate growth of CSH crystals between cement grains and improve overall portland cement hydration.
Read MoreASTM C09 subcommittee writes colloidal silica standard
Sources: ASTM International, West Conshohocken, Pa.; CP staff
The proposed WK53768, New Specification for Colloidal Silica standard will inform concrete practitioners on a supplementary cementitious material—emerging from the field of nanotechnology—that imparts strength and durability characteristics in finished slabs and structures.
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