Standard Specification for Hydrated Lime for Masonry Purposes
STANDARD published on 1.10.2018
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Designation standards: ASTM C207-18
Publication date standards: 1.10.2018
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Category: Technical standards ASTM
This specification covers four types of hydrated lime. Type N and S are suitable for use in mortar, in scratch and brown coats of cement plaster, for stucco, and for addition to Portland-cement concrete. Types NA and SA are air-entrained hydrated limes that are suitable for use in any of the above uses where the inherent properties of lime and air-entrainment are desired. The four types of lime under this specification shall be designated as Type N which is the normal hydrated lime for masonry purposes, type S which is the special hydrated lime for masonry purposes, type NA which is the normal air-entraining hydrated lime for masonry purposes and type SA which is the special air-entraining hydrated lime for masonry purposes. Hydrated lime for masonry purposes shall conform to the required chemical composition for calcium and magnesium oxides and carbon dioxide. The hydrated lime covered by Types N or S in this specification shall contain no additives for the purpose of entraining air.
Keywords:
hydrated lime, masonry, mortar, plasticity, popping and pitting, residue, stucco, Type N, Type NA, Type S, Type SA, unhydrated oxides, water retention, air entraining ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)