Binders
PTSi’s Asphalt Binders Group has extensive capabilities to include SUPERPAVE binder certification, as well as rheological capabilities such as solids-torsion testing and repetitive creep testing.  The Asphalt Binders Group’s exceptional knowledge of asphalt chemistry aides in determining the usability of binders for end uses such as asphalt emulsions or polymer modification. PTSi has experience with hundreds of asphalt sources around the world.  Perhaps the Asphalt Binder Group’s strength is in polymer modification with years of experience blending polymers and asphalt for applications in roofing, waterproofing, protective coatings, and paving.

Pavements Design
PTSi Pavements Design Group offers various methods of design for Hot Mix Asphalt (HMA) mixtures.  HMA design capabilities include but are not limited to: Marshall, SUPERPAVE, Stone Matrix Asphalt (SMA), Open-Graded Friction Course (OGFC) and Dense Graded Hot Mix Asphalt.  PTSi’s Pavements Design Group has a diverse range of experience in testing HMA mixtures, from asphalt extractions to rut depth analysis of roadway cores.  PTSi also offers HMA “proof” testing by means of the Asphalt Pavement Analyzer (APA) and Hamburg Wheel Tracking Device.  PTSi is an industry leader in the areas of Micro-Surfacing and Slurry Seal Design, Cold Mix Design and Specialty Surface Treatment Design. 

Emulsions
PTSi’s Asphalt Emulsions Group has decades of experience in formulating and testing products for paving and specialty applications.  In addition to materials science, our extensive process experience makes PTSi uniquely qualified to provide cost effective solutions in various circumstances. Chemical emulsions are formulated for pavement maintenance and specialty paving applications.  Colloidally suspended emulsions are formulated for metal coating, corrosion resistance, and various construction purposes.

Technologies Include:
Sealoflex
Cationic High Float Emulsions
C-Flex
P.A.S.S.