Aggelies

ASTM C Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters. Questions and answers on Stucco and Plastering March, Graded sand for cement-plaster and interior plaster. ASTM C , and ASTM C Find ASTM C products and abstract using the BuildSite database. Get the right product for the spec.

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His formula is 7 bags of varied grits of sand, that is one bag each of 1, 2, etc. This specification covers natural or manufactured aggregate for use in job-mixed base and finish-coat full thickness Portland cement, Portland cement-lime and modified Portland cement plasters. ASTM C to the rescue.

ASTM C – 00 Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters

ASTM C is currently being specified a lot for interior basecoat plaster in Federal government work. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the specification.

Aggregate subjected to five cycles of the soundness test shall show a loss, when weighed in accordance with the grading of a sampling complying with the limitations cc897 forth. What this means in asrm readable terms: This chart is completely ambiguous if you do the math, but the idea is that the sand is graded from coarse down to fine powder. Fine powder is packaged as silica fines. Aggregate subjected to five cycles of the soundness test shall show a loss, when weighed in accordance with the grading of a sampling complying with the limitations set forth.

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Historical Version s – view previous versions of standard. Q-ROK comes in 3 grades, 1, or fine; 2, or medium and 3, coarse.

This is what we usually use in our stucco finish coat. JavaScript seems to be disabled in your browser. You must have JavaScript enabled in your browser to utilize the functionality of this website.

Use on a local area network or other network is not permitted. Imagine how strong other high abuse applications can be, such as mud floors, simply by spending a few bucks for graded silica sand.

Now, gypsum plaster is only avaiable in 50 lb. Also, since the sand is irregularly shaped, larger width particles can pass through the sieves. Sand like Q-ROK is used in stucco finishes, but the grading is different. What I am trying to say with all of this is that mortar can develop incredible strength by simply varying the grit of the sand, and using silica sand. To put this into perspective, the footers under your house are probably about 2, PSI.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Silica sand usually crushed quartz or sandstone is passed through various screen sizes and measured as to the percentage of what size the grains are.

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The fineness modulus, friable particles, light constituents, organic impurities, material soundness, and sieve analysis of the aggregate shall be tested to meet the requirements prescribed. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. When used as a stucco finishdifferent grades are usually mixed together to vary the size for improved strength and appearance.

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We recommend users of early versions of Internet Explorer to update to Version 10 or later. This abstract is a brief summary of the referenced standard.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. This specification covers natural or manufactured aggregate for use in job-mixed base ast finish-coat full thickness Portland cement, Portland cement-lime and modified Portland cement plasters.

More about dollars and cents: The PDF Download is licensed per individual in which the individual can place asmt up to four electronic devices for their personal use. The word “pound” in Spanish, Italian and Latin is “Libra”. The reason is that the smaller grains fill in the voids when the mortar is packed down.

Link to Active This link will always route to the current Active version of the standard. When used in a cement basecoat for high strength applications such as stucco floors or cement boats, the various grits can quadruple the compressive strength of Awtm cement mortar.