COCOLOW low-carbon precast concrete (blast furnace slag + molten slag)
Precast concrete products formulated with ~40% lower CO2 emissions through high replacement of Portland cement by blast furnace slag and substitution of fine aggregate with molten slag from waste incineration.
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Problem solved
High embodied carbon in conventional precast concrete for infrastructure and urban projects; need for drop-in low-carbon alternatives using local industrial byproducts without major process changes.
Application contexts
- urban infrastructure
- civil engineering works
- zero-carbon city projects
- public works requiring quantified carbon reduction
Technical principle
55%+ replacement of Portland cement with blast furnace slag micro-powder (per MLIT low-carbon criteria) combined with molten slag as recycled fine aggregate; optional integration of self-healing bacterial additives for durability.
Typical use cases
- Precast blocks, panels, and secondary products for roads, drainage, retaining structures in decarbonization-focused public or private projects
Partnership route
How global engineering teams typically engage this asset.
Helpful to include: specific product dimensions and load requirements · target CO2 reduction or GWP threshold · project location and certification needs (e.g. EPD, CBAM) · volume and timeline
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Source & provenance
Translation review status: unreviewed. Publication does not establish technical verification or supplier endorsement.
Original language: JAPANESE.
Record updated: .
- COCOLOW low-carbon concrete product page
https://cocolow.kc-kokura.com/
Primary-source candidate; evidence review: pending.
Source accessed / recorded (collector timestamp): .
Source publication date: Not recorded.
Collector timestamps record when a source was stored, not an independent verification date. Source links provide context; they do not validate every specification, readiness label, certification, or proposed partnership route.