The site navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move across top level links and expand / close menus in sub levels. Up and Down arrows will open main level menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
Astec provides equipment and services to build polymer blending systems. We were an early pioneer in producing systems to blend
polymer with asphalt cement to make PMAC (Polymer Modified Asphalt Cement). PMAC is used as a
binder in HMA (Hot Mix Asphalt). PMAC is also used
to make asphalt roofing shingles to increase their life.
We can build your polymer blending system to meet
your exact needs. Astec makes a variety of systems
for blending polymers (including ground tire rubber)
with virgin asphalt cement. Our systems are available
in both fixed and portable configurations.
We can also upgrade an existing blending system. You
may want to replace old or unreliable controls and
equipment with new products. You may need to expand your plant to increase production volume.
Astec occupies a unique position for building polymer blending systems. We are virtually the only company that provides a full range of services, including
system design, manufacturing, setup, startup, maintenance, etc.
This provides significant advantages for you, the buyer. You only have to work with a single source for the
diverse products and services involved. And it greatly
reduces the likelihood of costly reworks due to incompatibility and miscommunication.
The polymer most commonly used for HMA is SBS
(Styrene-Butadiene-Styrene), which must be ground in
a mill during the blending process. The blending process requires unusually high temperatures and constant
A stationary system that blends SBS polymer pellets
with virgin AC (asphalt cement) is most commonly
used at asphalt terminals.
A thermal mixing process is required to turn aggregates and liquid AC into an asphalt pavement mix for road construction. This makes an asphalt mixing plant necessary for road construction. The complete line of Astec asphalt mixing plants, and its range of capacities and features, gives you the choices and flexibility to create your optimum solution.
Throughout the asphalt/roofing industry efficient heating systems and services are needed as well as reliable storage systems. Astec has an extensive background supplying equipment designed for heating and storing liquid asphalt as well as experience with all types of thermal systems.