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Thermal Insulation and Temperature Ratings for Sleeping Bags
 
   

Sleeping Bag Loft

Property:
Sleeping bag loft

Method:
ASTM F 1932 "Test Method for Measuring Sleeping Bag Loft"

Instrument:
Loft tester

Specimen number and size:
1 or 3 sleeping bags

Cost:
$45 per hour for labor (3 reps)

sleeping bag loft test

sleeping bag loft test closeup

©2011 Institute for Environmental Research