AC 20

SPECIFICATION:  ASPHALT GRADE AC 20

Composition AC 20:

Name                                                                                                           CAS                                Number Concentration (%)

Asphalt                                                                                                  8052-42-4                                               0 - 100

Asphalt (oxidized)                                                                             64742-93-4                                                0 - 100

Vacuum Towers Bottoms                                                               64741-56-6                                               0 - 100

Distillates, petroleum residues vacuum                                     68955-27-1                                               0 - 15

Ground Tire Rubber                                                                        139497-04-4                                             0 - 20

Maleic Anhydride Modified Polypropylene                                            NA                                                      0 - 10

Copolymer of Ethylene and Octane                                              26221-73-8                                               0 - 10

Polymer                                                                                                 6868-29-4                                              0 - 10

Styrene Butadiene Copolymer                                                          9003-55-8                                             0 - 10

Sulfur                                                                                                     7704-34-9                                             0 - 10

Calcium Oxide                                                                                     1305-78-8                                             0 - 5

Di (2-Ethylhexyl) Phthalate (DEHP)                                                     117-81-7                                            <0.1

Polycyclic Aromatic Hydrocarbons                                                130498-29-2                                           <0.1

Hydrogen Slfide

Viscosity

Physical and Chemical Properties

Physical State:  Liquid:  DARK BROWN TO BLACK LIQUID WITH A STRONG PETROLEUM ODOR AT NORMAL USE

TEMPERATURES ABOVE 360^F  SEMI-SOLID A 70^F.

Color:  Black  Brown

Odor:  Strong Petroleum Odor

Boiling Point:  371.1 to 593.4^C (700 to 1100.1^F)

Melting Freezing Point:  >57.2^C (135^F)

Viscosity:  >2400

Specific Gravity:  1 to 1.2 (Water = 1)

Vapor Pressure:  <0.01 kPa (<0.1 mm Hg)  (at 20^C)

Vapor Density:  >1.6 (Air = 1)