Standard Test Methods for
Vacuum Cleaner Hose—Durability and Reliability (Plastic
This general is issued under the constant designation f 450; the number without delay following the designation suggests the yr of
unique adoption or, in the case of revision, the year of closing revision. a number of in parentheses shows the year of final reapproval. a
superscript epsilon (e) indicates a piece of writing change for the reason that final revision or reapproval.
click below to download Astm F 450 – 01 pdf free
click here to download Astm F 449 – 02 pdf free