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SAE J388
Dynamic Flex Fatigue Test for Slab Polyurethane Foam
STANDARD published on 1.6.1998
The information about the standard:
Designation standards: SAE J388
Publication date standards: 1.6.1998
SKU: NS-486973
Country: American technical standard
Category: Technical standards SAE
Annotation of standard text SAE J388 :
This SAE Recommended Practice describes a laboratory test procedure for evaluating the loss of thickness and the amount of structural breakdown of slab polyurethane foam seating materials. A test specimen is measured for thickness under a specified load and subsequently subjected simultaneously to compressive and shear deformation in a controlled atmosphere. This is accomplished by subjecting the foam to a rolling shearing action under a constant load for a specified number of cycles. Specimen thickness under a constant load is obtained after a 1hr recovery period following dynamic fatigue to determine loss in foam thickness.
SUBJECT TAXONOMY: Seats and seating, Foams, Fatigue, Vehicles and Performance
SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard
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