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Jargon 53: Sleeping Pads and ASTM F3340-18

Aaron Zagrodnick

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Aaron Zagrodnick

The American Society for Testing and Materials F3340-18 standard is a standardized way in which backpacking sleeping pads are measured for r-value, or their warmth and insulation value. As a standardized test this allows one to compare sleeping pad r-values on a level field..

ASTM sleeping pad r-values explained - we break it down in our latest jargon installment. Take a look in Issue 53:

Jargon: ASTM F3340-18

Jargon 53 - ASTM F3340-18 Definition and Discussion

Issue 53 Page 1

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