portland cement
binder used as basic ingredient of concrete
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Summary
portland cement is a cement[1]. It draws 5,821 Wikipedia views per month (cement category, ranking #1 of 2).[2]
Key Facts
- Discoverer or inventor: Joseph Aspdin[3]
- Instance of: brand[4], building material[5]
- Named after: Isle of Portland[6]
- Made from material: calcium[7], silicon[8], aluminium[9], iron[10], gypsum[11], lime[12]
- Subclass of: cement[13]
- Commons category: Cement[14]
- Time of discovery or invention: 1845[15], 1824[16]
- Described by source: ASTM C150/C150M[17], Armenian Soviet Encyclopedia, vol. 9[18]
- Has effect: portland cement exposure[19]
- NIOSH Pocket Guide ID: 0521[20]
- Vapor pressure: 0[21]
- Immediately dangerous to life or health: 5000[22]
- Time-weighted average exposure limit: 5[23], 10[24]
- Associated hazard: portland cement exposure[25]
- On focus list of Wikimedia project: WikiProject Climate change[26]
- P14541: Op0jl[27]
Body
Brands and Namesakes
Things named for portland cement include ANCAP[28], a state-owned enterprise[29], in Uruguay[30], founded in 1931[31] and portlandite[32], a mineral species[33].
Why It Matters
portland cement has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[34] It is known by 43 alternative names across languages and contexts.[35]
Entities named for it include ANCAP[28], a state-owned enterprise[29], in Uruguay[30], founded in 1931[31] and portlandite[32], a mineral species[33].