40 CFR Part 63, Subpart NNN, Appendix C to Subpart NNN of Part 63 - Method for the Determination of Product Density

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View PDF at GPO Pt. 63, Subpt. NNN, App. C
Appendix C to Subpart NNN of Part 63—Method for the Determination of Product Density
1. Purpose
The purpose of this test is to determine the product density of cured blanket insulation. The method is applicable to all cured board and blanket products.
2. Equipment
One square foot (12 in. by 12 in.) template, or templates that are multiples of one square foot, for use in cutting insulation samples.
3. Procedure
3.1Obtain a sample at least 30 in. long across the machine width. Sample should be free of dirt or foreign matter.
3.2Lay out the cutting pattern according to the plant's written procedure for the designated product.
3.2Cut samples using one square foot (or multiples of one square foot) template.
3.3Weigh product and obtain area weight (lb/ft2).
3.4Measure sample thickness.
3.5Calculate the product density:
Density (lb/ft3) = area weight (lb/ft2)/thickness (ft)

Title 40 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-02-27; vol. 79 # 39 - Thursday, February 27, 2014
    1. 79 FR 11228 - Revisions to Test Methods and Testing Regulations
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on February 27, 2014. The incorporation by reference materials listed in the rule are approved by the Director of the Federal Register as of February 27, 2014.
      40 CFR Parts 51, 60, 61, and 63

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United States Code

Title 40 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 63 after this date.

  • 2014-02-27; vol. 79 # 39 - Thursday, February 27, 2014
    1. 79 FR 11228 - Revisions to Test Methods and Testing Regulations
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on February 27, 2014. The incorporation by reference materials listed in the rule are approved by the Director of the Federal Register as of February 27, 2014.
      40 CFR Parts 51, 60, 61, and 63