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  • ASTM
    D6226-15 Standard Test Method for Open Cell Content of Rigid Cellular Plastics
    Edition: 2015
    $93.60
    Unlimited Users per year

Description of ASTM-D6226 2015

ASTM D6226-15

Historical Standard: Standard Test Method for Open Cell Content of Rigid Cellular Plastics




ASTM D6226

Scope

1.1 This test method covers cellular plastics, which are composed of membranes or walls of polymer separating small cavities or cells. These cells may be interconnecting (open cell), non-connecting (closed cell), or any combination of these types. This test method determines numerical values for open cells. It is a porosity determination, measuring the accessible cellular volume of a material. The remaining volume is that occupied by closed cells and cell walls. Since any conveniently sized specimen is typically obtained by some cutting operation, a fraction of the closed cells will be opened by specimen preparation and will be included as open cells, (see Note 2).

1.2 This test method provides good accuracy on predominantly highly open-celled materials. By not accounting for closed cells that were opened during specimen preparation, the accuracy decreases as the closed cell content increases and as the cell size increases.

1.3 The values as stated in SI units are to be regarded as the standard. The values in parentheses are given for reference only.

1.4 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.

Note 1: This test method and ISO 4590 use the same basic principles but are significantly different in experimental detail.

Note 2: Two procedures for correcting for cells opened during specimen preparation are described in Appendix X1.1.


Keywords

cell wall; cellular plastics; closed cell; open cell; pycnometer;


ICS Code

ICS Number Code 83.080.01 (Plastics in general)


DOI: 10.1520/D6226-15

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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.

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