Home›19th-century inventions›Semen portland🌐Bahasa IndonesiaEnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ844123· pop 41· linked from 711 articlesSemen portlandAlso known as OPCjenis semenWikidata factsImagePortland cement CEM I 42,5 R (bag).jpgShow 6 more factsCommons categoryCementNIOSH Pocket Guide ID0521immediately dangerous to life or health5000vapor pressure0time-weighted average exposure limit10time of discovery or invention1824-00-00Sources (5)wikidata.orgcdc.govdocs.openalex.orgGallery (7)On the mapAvailable in 41 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsالعربيةहिन्दीAfrikaansConnectionscorrosionEntitysilicon dioxideEntityCategories19th-century inventionsBuilding materialsCementConcreteEnglish inventionsIsle of PortlandLimestone