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Gypsum molding plaster
| Глоссарий по архитектуре и конструкциям |
A calcined gypsum plaster used primarily for plaster casts or molds; occasionally used for gauging plaster.
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Occasional, английский
- Случайный
- A 1 случайный; 2 окка- зиональный equivalent
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Gypsum neat plaster, английский
A calcined gypsum plaster without an aggregate, often used as a base coat.
Retarded hemihydrate, английский
A calcined gypsum plaster having a retarder added to control the setting action. retarder 1. in paint, varnish, or lacquer, a highboiling solvent used to lower evaporation rate of the volatile ingredients. 2. an admixture which delays the setting of cement paste or the setting of mixtures such as mortar or concrete containing cement. 3. an additive, mixed with plaster to control the rate of hardening.
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