SAE J 381:2009-01-27

This SAE Recommended Practice establishes uniform test procedures and performance requirements for the defrosting system of enclosed cab trucks, buses, and multipurpose vehicles. It is limited to a test that can be conducted on uniform test equipment in commercially available laboratory facilities. Current engineering practice prescribes that for laboratory evaluation of defroster systems, an ice coating of known thickness be applied to the windshield and left- and right-hand side windows to provide more uniform and repeatable test results, even though under actual conditions such a coating would necessarily be scraped off before driving. The test condition, therefore, represents a more severe condition than the actual condition, where the defroster system must merely be capable of maintaining a cleared viewing area.

Author	SAE
Editor	SAE
Document type	Standard
Format	File
ICS	43.040.65 : Glazing and wiper systems
Number of pages	10
Replace	SAE J 381:2000-09-29
Set	JPAKS10U-10
Year	2009
Document history	SAE J 381:2000-09-29
Country	USA
Keyword	SAE 381;SAE J381;SAE J381;SAE J 381