ASTM C897 PDF

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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Link to Active This link will always route to the current Active version of the standard. ASTM C is currently being specified a lot for interior basecoat plaster in Federal government work. For a volume license the PDF is licensed to the person in which it is assigned. This specification covers natural or manufactured aetm for use in job-mixed base and finish-coat full thickness Portland cement, Portland cement-lime and modified Portland cement plasters.

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Fine powder is packaged as silica fines. The fineness modulus, friable particles, light constituents, organic impurities, material soundness, and sieve analysis of the aggregate shall satm tested to meet the requirements prescribed.

Q-ROK comes in 3 grades, c87, or fine; 2, or medium and 3, coarse. This is what we usually use in our stucco finish coat. Number two is all mediumand number 1 is all fine. Imagine how strong other high abuse applications can be, such as mud floors, simply by spending a few bucks for graded silica sand.

Sand like Q-ROK is used in stucco finishes, but the grading is different. These notes and footnotes excluding asmt in tables and figures shall not be considered as requirements of the specification.

Use on a local area network or other network is not permitted. This abstract is a brief summary of the referenced standard.

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. ASTM C is sold in bags for about 11 dollars a 50 lb.

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The values given in parentheses are mathematical conversions to SI units that are c8897 for information only and are not considered standard. I know somebody out west who plasters boats. Also, since the sand is irregularly shaped, larger width particles can pass through the sieves. 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.

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ASTM C – 15 Standard Specification for Aggregate for Job-Mixed Portland Cement-Based Plasters

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.

The main difference is that number 3 is all the same size about 3 mm. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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. What this means in human readable terms: 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. Q-ROK is graded quartzite, which means crushed quartz or crushed white sandstone.

The fineness modulus, friable particles, light constituents, organic impurities, material soundness, and sieve analysis of the aggregate shall c8997 tested to meet the requirements prescribed. The breaking strength of these boats was well over 10, PSI. 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 Portland cement mortar.

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The word “pound” in Spanish, Italian and Latin is “Libra”. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

JavaScript seems to aastm disabled in your browser. The PDF Download is licensed per individual in which the individual can place on up to four electronic devices for their personal use.

Aggregate subjected to f897 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. More about dollars and cents: Distribution of the PDF is not permitted. This sandblasting sand is graded from medium about mm down to a very fine powder.

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. Now, gypsum plaster is only avaiable in 50 lb.

We recommend users of early versions of Internet Explorer to update to Version 10 or later. The varied grits, or different particle size adds increased strength and crack resistance to stucco. ASTM C to the rescue. His formula is 7 bags of varied grits of sand, that is one bag each of 1, 2, etc. You must have JavaScript enabled in your browser to utilize the functionality of this website.

The sand is then graded from less than 2. The reason is that the smaller grains fill in the voids when the mortar is packed down.