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ASTM D98-15(2021)
Standard Specification for Calcium Chloride
Přeložit název
NORMA vydána dne 1.11.2021
Informace o normě:
Označení normy: ASTM D98-15(2021)
Datum vydání normy: 1.11.2021
Kód zboží: NS-1041899
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM D98-15(2021) :
This specification covers technical grade calcium chloride typically used for, but not limited to, dust control, stabilization, ice/snow removal, other road-conditioning purposes, acceleration of the set of concrete, and as a desiccant. Two types of calcium chloride are covered, as follows: Type S (solid), flake, pellet, or granular calcium chloride in varying concentrations; and Type L (liquid), water solutions of calcium chloride in varying concentrations. Concentrations shall be expressed as a percentage of the total. Impurities such as alkali chlorides, magnesium, and calcium hydroxide should be within specified composition limits.
Keywords:
calcium chloride, concrete accelerator, concrete admixture, deicing chemical, dessication, dust control, snow and ice removal, stabilization,, ICS Number Code 71.060.50 (Salts)
Doplňující informace
| 1. Scope | ||||||||||||||||||||
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1.1This specification covers calcium chloride, technical grade, typically used for, but not limited to, dust control, stabilization, ice/snow removal, other road-conditioning purposes, acceleration of the set of concrete, and as a desiccant. 1.2The values stated in SI units are to be regarded as the standard. 1.3For purposes of determining conformance to this specification, values for chemical analysis shall be rounded to the nearest 0.1 %, and values for grading shall be rounded to the nearest 1 %, in accordance with the rounding method in Practice E29. 1.4The text of this standard references notes and footnotes, which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.5This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||||||||
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