ASTM C470 PDF

More C Molds shall be constructed in the form of right circular cylinders and have a nominal inside height equal to twice the nominal inside diameter. The following are types of molds covered: reusable molds and single-use molds. Reusable molds shall be made of nonabsorptive materials and shall be tested for water leakage. Single-use molds may be made of sheet metal, plastic, suitably treated paper products, or other materials.

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Molds shall be constructed in the form of right circular cylinders and have a nominal inside height equal to twice the nominal inside diameter. The following are types of molds covered: reusable molds and single-use molds.

Reusable molds shall be made of nonabsorptive materials and shall be tested for water leakage. Single-use molds may be made of sheet metal, plastic, suitably treated paper products, or other materials. These materials shall conform to the following requirements: water leakage, absorptivity, and elongation. The following are additional requirements for the types of single-use molds: plastic mold—wall thickness, bottom design, and material; paper molds—side walls, bottom caps, and waterproofing; and sheet metal molds—metal thickness, bottom design, top edge, and coating.

Test for elongation, absorption, and water leakage shall also be performed. This abstract is a brief summary of the referenced standard. 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 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. Scope 1. The provisions of this specification include the requirements for both reusable and single-use molds.

These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

The inch-pound units are shown in brackets. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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ASTM C470 PDF

Zushicage This standard does nott pu no purp rpor ortt to ad addr dres esss al alll of th thee sa safet fetyy co conc ncern erns, s, if an anyy, associated associ ated with its use. 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 provisions of this specification include the requirements for both reusable and single-use molds. Sizes included are molds having diameters from 50 mm [2 in. These materials shall conform to the following requirements: This specification deals with molds for forming concrete test cylinders vertically.

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