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This specification covers fired chemical-resistant ceramic tower installation packings formed from naturally occurring clays or compounded bodies. The number of dumped pieces of cylindrical-type packing material should conform to the requirements for each ring, packing, and saddle size. Material properties such as crushing strength, water absorption, and acid resistance should also fall within the given values for both porcelain and stoneware packings.
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.
1.1 This specification covers fired ceramic shapes formed from naturally occurring clays and from compounded bodies that are used as packing in tower installations. These ceramic units are designed primarily for use in process equipment for the chemical or allied industries.
1.2 The physical and chemical properties that affect quality of packing materials are covered in this specification. Properties that affect actual operational efficiency or characteristics of processing towers are not covered.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.4 The following precautionary statement pertains to the test method portion only, Section 7, of this standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C279 Specification for Chemical-Resistant Masonry Units
C373 Test Method for Water Absorption, Bulk Density, Apparent Porosity, and Apparent Specific Gravity of Fired Whiteware Products
E4 Practices for Force Verification of Testing Machines
ICS Number Code 91.100.25 (Terracotta building products)
UNSPSC Code 24120000(Packaging materials)