TM 5-822-11/AFP 88-6, Chap. 7
two classifications is combined with rubber
rubber down to low-grade waste, such as buffings
materials or polymers that have rubber-like
from tire retreading operations. Because of this
properties to improve performance characteristics.
variation, the quality of the sealants also vary
The hot-applied sealants in PCC pavements may
widely. Federal Specification SS-S-1401C, ASTM
cause problems associated with bubbling or the
D 3405, and ASTM D 1190 cover field-poured
creation of voids in the sealant.
hot-applied rubberized asphalt sealants. Federal
(1) The non-JFR rubberized-asphalt sealant
Specification SS-S-1401C, ASTM D 3405, and
is the most widely used of all joint sealant
ASTM D 1190 can be used in bituminous
materials in both bituminous and PCC pavements
pavements, but for PCC pavements Federal
and is used for highways, streets, and taxiways.
Specification SS-S-1401C is usually specified.
The material is made by dispersing a rubber
Asphalt based sealants should not be used in areas
material or a rubberlike polymer in a suitable
where fuel or lubricant spillage is expected
grade of asphalt cement. The rubber materials
because the spilled materials are usually petroleum
vary from new rubber and high-quality reclaimed
derivatives. Petroleum derivatives have a solvent
2-2
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