Standard Method of Test for
Float Test for Bituminous Materials
AASHTO Designation: T 50-99 (2003)
ASTM Designation: D 139-95 (2001t1
AASHTO T 50-99 (2003) is identical to ASTM D 139-95 (200It 1 except as follows:
1.All references to the ASTM standards contained in ASTM D 139-95 (200lt1, listed in the following table,
shall be replaced with the corresponding AASHTO standard
Referenced Standards
ASTM AASHTO
0140 T40
D 244 T59
D 2170 T 201
2.Revise the second sentence of Section 7 .3 to include the following:
“The residue may also be poured from the still directly into a tin or small container which
shall be maintained at the proper temperature for pouring. The temperature of the residue shall
be verified during pouring by inserting the 30 AWG gauge wire thermocouple probe into the residue while it is poured out of the
container into the collar.
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