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non-hydraulic lime (calcium hydroxide, calcium oxide, ... Materials (hierarchy name)) |
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Note: Non-hydraulic lime is a slower setting low cost alternative to hydraulic lime. Whereas hydraulic lime sets by hydrolysis (chemical reaction with water), non-hydraulic lime, also known as 'air lime', sets by carbonation. It needs air to carbonate and thus set. Unlike hydraulic lime, which is powder derived from lime stone containing impurities, non-hydraulic lime is drawn from pure calcium lime stone and turned into a putty through a process of high temperature heating, slaking, and maturing.
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| Terms: |
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| non-hydraulic lime (preferred,C,U,English-P,D,U,N)
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| nonhydraulic lime (C,U,English,AD,U,N)
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| lime, nonhydraulic (C,U,English,UF,U,U)
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| air lime (C,U,English,UF,U,U)
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| niet-hydraulische kalk (C,U,Dutch-P,D,U,U)
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Facet/Hierarchy Code: M.MT |
Hierarchical Position:
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Materials Facet |
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.... Materials (hierarchy name) (G) |
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........ materials (substances) (G) |
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............ <materials by composition> (G) |
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................ inorganic material (G) |
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.................... metal (G) |
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........................ <metal by composition or origin> (G) |
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............................ nonferrous metal (G) |
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................................ <calcium and calcium compounds> (G) |
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.................................... calcium compounds (G) |
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........................................ calcium oxide (G) |
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............................................ calcium hydroxide (G) |
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................................................ non-hydraulic lime (G) |
Additional Notes: |
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| Dutch ..... Niet-hydraulische kalk is een goedkoper, langzamer drogend alternatief voor hydraulische kalk. Hydraulische kalk droogt door hydrolyse (chemische reactie met water), terwijl niet-hydraulische kalk, ook wel 'luchtkalk' genoemd, droogt door carbonatatie. De kalk heeft lucht nodig om te carbonateren en daarmee te drogen. Anders dan hydraulische kalk (poeder afkomstig van kalksteen met onzuiverheden) wordt niet-hydraulische kalk gewonnen uit pure kalksteen en omgezet in plamuur door middel van verwarming tot hoge temperatuur, blussen en laten rijpen. |
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Sources and Contributors: |
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