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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Fine powder is packaged as silica fines. Use on a local area network or other network is not permitted. 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. The reason is that the smaller grains fill in the voids when the mortar is packed down. I know somebody out west who plasters boats.

When used as a stucco finishdifferent grades are usually mixed together to vary the size for improved strength and appearance. Also, since the sand is irregularly shaped, larger width particles can pass through the sieves. Link to Active This link will always route to the current Active version of the standard.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 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. To put this into perspective, the footers under your house are probably about 2, PSI. 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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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. 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.

ASTM C is sold in bags for about 11 dollars a 50 lb. More about dollars and cents: ASTM C is currently being specified a lot for interior basecoat plaster in Federal government work.

This abstract is a brief summary of the referenced standard. Now, gypsum plaster is only avaiable in 50 lb. ASTM Satm to the rescue. The sand is then graded from less than 2. His formula is 7 bags of varied grits of sand, that is one bag each of 1, 2, etc.

Distribution of the PDF is not permitted. 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.

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

Number two is all mediumand number 1 is all fine. Referenced Documents purchase separately The documents listed 8c97 are referenced within the subject standard but are not provided as part of the standard. Sand like Q-ROK is used in stucco finishes, but the grading is different. Imagine how strong other high abuse applications can be, such as mud floors, simply by spending a few bucks for graded silica sand. 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.

The main difference is that number 3 is all the same size about 3 mm.

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For a volume license the PDF is licensed to the person in which it is assigned. This is what we usually use in our stucco finish coat.

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The PDF Download is licensed per individual in which the individual can place on up to four electronic devices for their personal use.

You must have JavaScript enabled in your browser to utilize the functionality of this website. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the specification.

Q-ROK is graded quartzite, which means crushed quartz or crushed white sandstone. We recommend users of early versions of Internet Explorer to update to Version 10 or later.

Have you ever wondered why the word “pound” is abbreviated lb. 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. The word “pound” in Spanish, Italian and Latin is “Libra”. What this means in human readable terms: 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.

JavaScript seems to be disabled in your browser. This option is mobile friendly and compatible with all devices, including mobile tablets and smart phones. 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.