HYDROGREEN S HIGH RAP AND WARM-MIX ASPHALT SOLUTIONS. Green Asphalt Technologies LLC. Technology developed by:

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1 HYDROGREEN S HIGH RAP AND WARM-MIX ASPHALT SOLUTIONS

2 HYDROGREEN S UNIQUE COMPOSITION 100% NATURAL MIXTURES OF PLANT EXTRACTS ROSINS & ROSIN ESTERS FATTY ACIDS VEGETABLE OILS UNLIKE AROMATICS EXTRACTS AND OILS, HYDROGREEN S IS SAFE FROM EXPOSURE, EMISSIONS AND CARRY NO POLLUTION RISK MADE FROM GREEN AND RENEWABLE USA RESOURCES LIQUID PRODUCTS EASY TO HANDLE AND TRANSPORT

3 HYDROGREEN S CHEMISTRY ASPHALTENES AGGLOMERATE OR BUILD UP OVER PAVEMENT LIFE RESULTING IN BINDER HARDENING HYDROGREEN S BREAKS UP OR SEPARATES THESE GIANT ASPHALTENE DOMAINS WHILE AT THE SAME TIME, SUPPLEMENTING OR REPLENISHING THE LOST MALTHENES PHASE, I.E TRUE REJUVENATION HPLC & GPC ANALSIS OF ASPHALT PLUS HYDROGREEN S VS. ASPHALT MIMICS AND SUPPLEMENTS MALTHENES UNIQUE & POWERFUL DISPERSANT FOR ASPHALTENES

4 HYDROGREEN S GPC scan of Hydrogreen S Mn Mw Peak Peak Peak

5 HYDROGREEN S Without Hydrogreen S Valero PG67-22 With Hydrogreen S NO HG Mn Mw Peak Peak WITH HG Mn Mw Peak Peak HYDROGREEN S SMOOTHES THE SMALL PEAKS BETWEEN THE MALTHENES AND ASPHALTENE PEAKS

6 HYDROGREEN S DIFFERENCE VS. AROMATIC OILS SAFE / GREEN VS. AROMATIC OILS NOT COATING BLACK ROCK BUT CO-MINGLING RAP BINDER TO EXTRACT AND UTILIZE THE INHERENT BINDER STIFFNESS, I.E VALUE GAINED OR RECOVERED TREATMENT OF AGED RAP BINDER I.E PG80-10 WITH 0.75% HYDROGREEN S WILL REJUVENATE THE AGED BINDER AND GENERATE ~PG64-22, RECOVERING ORIGINAL BINDER FLEXIBILITY

7 HYDROGREEN S MIX PERFORMANCE & PG GRADING ENHANCED RAP BINDER CO-MINGLING IMPROVE m-value IN BASE AND MODIFIED BINDERS EXTENDS LOW TEMPERATURE PG RTFOT COMPLIANT NO VOLATILES YIELDS TRUE WARM-MIX, NO FUMES OR SMOKE ANTI-AGING ADDITIVE FOR ASPHALT BINDER QUICKLY FORMS HOMOGENEOUS AND STABLE BLENDS SBS/GTR DISPERSANT PUMPABLE AT LOW TEMPERATURES, FLOWABLE AT 34 ºF

8 USES OF HYDROGREEN S HIGH (40%+) & ULTRA HIGH (100%) RAP MIXES HIGH USAGE (10%) OF ASPHALT SHINGLES (RAS) USE IN COMBINATION MIXTURES OF RAP AND RAS FLUX COATS BLACK ROCK WHILE HYDROGREEN S CO- MINGLES WITH RAP AND VIRGIN BINDERS MORE EFFECTIVE THAN FLUX SAFER TO USE THAN AROMATIC OILS FOR RECOVERY OF RAP AND RAS POLYMER COMPATIBILIZER FOR PMA PRODUCTION

9 USES FOR HYDROGREEN S LOW TEMPERATURE PERFORMANCE ADDITIVE FOR PMA GRADE CHANGE ADDITIVE (EG. PG67-22 PG58-28) VISCOSITY MODIFIER TO FACILITATE HIGH AGGREGATE LOADING EMULSIFICATION AID FOR HARD BINDER (~ZERO PEN) REJUVENATE FOG SEALS, CHIP SEALS, SLURRY SEALS YIELDS FULL WARM MIX BENEFIT EFFECTIVELY REPLACES AROMATIC OILS USED IN FLORIDA SINCE 2008

10 PROPERTIES of HYDROGREEN S PROPERTY TYPICAL RANGE 60 ºC, (cps) < 100 FLASH POINT, ºF (COC) > 425 SPECIFIC GRAVITY, kg/l TOTAL ACID NUMBER, mg KOH/g 40 to 75 MOISTURE CONTENT < 0.75% APPEARANCE CLEAR, DARK AMBER COLORED FLOWABLE LIQUID

11 HYDROGREEN S IN ASPHALT BINDER 1. BASE BINDER PG PG RTFO VOLATILES, (%) BASE + 2% HYDROGREEN S PG RTFO VOLATILES, (%) BASE + 4% HYDROGREEN S PG RTFO VOLATILES, (%) RESULTS: USE OF HYDROGREEN S EXTENDS LOW TEMPERATURE PG RANGE

12 HYDROGREEN S ON RAS (SHINGLE) BINDER 1. EXTRACTED RAS BINDER PG 200.0>+24.0 EXTRACTED BINDER + HYDROGREEN S PG EXTRACTED RAS BINDER PG 184.0>+24.0 EXTRACTED BINDER + HYDROGREEN S PG EXTRACTED RAS BINDER PG 178.0>+18.0 EXTRACTED BINDER + HYDROGREEN S PG RESULTS: USE OF HYDROGREEN S RECOVERS PG RANGE PERFORMANCE OF RAS BINDER

13 HYDROGREEN S ON RAP/RAS EXTRACTED BINDER CONTROL BINDER: 50%/10% RAP/RAS + 1% PG64-22 TREATED BINDER: CONTROL BINDER + 1% HYDROGREEN S PROPERTIES OF EXTRACTED BINDER: CONTROL TREATED CONTINUOUS PG: SOFTENING POINT: ROTATIONAL VISCOSITY, 135 C (cps) 54,300 1,913 NEEDLE PENETRATION, dmm

14 HYDROGREEN S COMPARED ON RAP/RAS EXTRACTED BINDER

15 HYDROGREEN S ENABLES HIGH RAP/RAS MIXES Sample RAP 1 /RAS 1 Content, % Virgin A/C 2 (%) Hydrogreen S as % of mix Virgin A/C: Recycle A/C Continuous PG Grade Viscosity, 135 C Softening Point ( F) Mix 1 30%/5% :52.4 PG %/5% :50.4 PG Mix 2 40%/0% :44.0 PG %/0% :45.2 PG Mix 3 40%/5% :61.2 PG %/5% :60.8 PG Mix 4 45%/5% :64.8 PG %/5% :65.3 PG Mix 5 50%/0% :52.2 PG %/0% :49.7 PG Mix 6 50%/10% :82.2 PG %/10% :64.6 PG All RAP & RAS for these mixes came from the same sample source: 2 Virgin A/C was PG64-22 with Continuous PG of C

16 HYDROGREEN S ENABLES RECYCLE RAP MIXES Sample RAP/RAS Content, % Virgin A/C (%) Hydrogreen S as % of mix Virgin A/C: Recycle A/C Continuous PG Grade Viscosity, 135 C Softening Point ( F) Mix 1 100%/0% n/a PG %/0% n/a PG %/0% n/a PG

17 HYDROGREEN S IMPROVES FOAMING HALF-LIFE * 1. PG BASE BINDER 285 SECONDS W/ 0.75% HYDROGREEN S 1230 SECONDS 4.3 x UNTREATED 2. PG BASE BINDER 300 SECONDS W/ 0.75% HYDROGREEN S 900 SECONDS 3.0 x UNTREATED BENEFITS: SUBSTANTIALLY INCREASED HAULING TIME AND LONGER DISTANCE WITH REDUCED STIFFNESS *evaluation conducted by AMS LLC

18 HYDROGREEN S & m-value MOST m-value ISSUES CAN BE TIED TO SYNTHETIC CRUDE OIL INTENSE PROCESSING (UPGRADERS) DESTROY MALTHENES FRACTION OF THE RECOVERED BITUMEN EXPANDING OF LOW m-value BINDERS IN MIDWEST AND MOUNTAIN REGION; SOON TO THE GULF REGION HYDROGREEN S REPLACES AND SUPPLEMENTS DEFICIENT MALTHENES FRACTION SMALL ADDITION RECOVERS BINDER STRENGTH AND FLEXIBILITY

19 IMPACT of HYDROGREEN S on m-value of Base Binders m-value Impact of Hydrogreen S on m-value (3000 vis binder with low m-value) % 0.25% 0.50% 0.75% Amount of Hydrogreen S, wt. %

20 IMPACT of HYDROGREEN S on BINDER VISCOSITY Absolute Viscosity (poises) % Hydrogreen S in PG67-22 base

21 HYDROGREEN S IN ASPHALT BINDER ABSOLUTE 60 C 25 C SOFTENING POINT BASE BINDER PG cps F BASE + 2% Hydrogreen S BASE + 4% Hydrogreen S 2275 cps F 1425 cps F

22 IMPACT of HYDROGREEN S on PENETRATION & SOFTENING PT 25 C SOFTENING POINT ZERO PEN ASPHALT F ZERO PEN ASPHALT + 2% Hydrogreen S F ZERO PEN ASPHALT + 4% Hydrogreen S F

23 VISCOSITY OF RECOVERED RAP BINDER PRI DATA REPORTED 35% RAP + 5% RAS WITH RA 1000 REFINERY FLUX 35% RAP + 5% RAS % Hydrogreen S ON RAP AND RAS ABSOLUTE 60ºC (140ºF), cps 58,338 8,437

24 PG DATA ON HIGH RAP RECOVERED BINDER (Reported by PRI) PROPERTY CONTROL USING RA 1000 (REFINERY FLUX) SAMPLE USING 0.75% HYDROGREEN S ON WEIGHT OF RAP PG Grade Continuous PG Grade RTFO Mass Loss (%) ºC Stiffness, -12 ºC ºC Stiffness, -18 ºC

25 PROVEN MIX PERFORMANCE WITH HYDROGREEN S

26 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC MIX AND DATA A. MIX DESIGN: 100 GYRATION SUPERPAVE STRUCTURAL LAYER FOR FDOT TRAFFIC LEVEL D WITH OPTIMUM BINDER CONTENT OF 5.2% B. MIX CONTAINED 35% RAP / 5% RAS C. CONTROL: MARATHON RA 1000 FLUX GRADE D. HYDROGREEN S MODIFIED TO RA 1000 EQUIVALENT. E. MIX TEMP: 285 ºF, COMPACTION TEMP: 250 ºF

27 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC MIX AND DATA DENSIFICATION DATA: Marathon Hydrogreen S RA 1000 RA 1000 AIR VOIDS, % (ave. of 6) STD DEVIATION COMPACTABILITY, gyrations 27 21

28 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC MIX AND DATA ASPHALT PAVEMENT ANALYZER RESISTANCE TO PERMANENT DEFORMATION AGED 2 147ºF / 64ºC, HOSE PRESSURE: 100 PSI, 100 LBS VERTICAL LOAD Marathon Hydrogreen S RA 1000 RA 1000 RUTTING, MM, (ave. of 6) STD DEVIATION RUT DEPTH BELOW 4.5 MM LIMIT AFTER 8000 CYCLES AT REDUCED COMPACTION TEMPERATURE

29 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC MIX AND DATA TSR DATA: Marathon Hydrogreen S RA 1000 RA 1000 CONDITIONED, PSI UNCONDITIONED, PSI TSR NOTE: NO ANTI-STRIP ADDED

30 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC COMMENTS A. MIXES SHOW IDENTICAL RUT RESISTANCE & TSR DATA. HYDROGREEN S RA 1000 SHOWS SUPERIOR COMPACTION PROPERTIES THAN THE CONTROL B. THE HYDROGREEN S HAS REJUVENATED AND CO- MINGLED THE AGED BINDER WITH THE VIRGIN BINDER THUS REDUCING CRACKING POTENTIAL C. ABSOLUTE STRENGTH IS OVER 100 PSI: ADEQUATE MIX STRENGTH

31 SUPERPAVE HIGH RAP/RAS NCAT / AMSLLC COMMENTS D. RECOMMEND USE TO MEET FDOT REQUIREMENTS = 0.75% HYDROGREEN S ON THE RAP/RAS TEST OBSERVATIONS: DURING THE MIXING PROCESS, EASE OF COATING WAS NOTICED WITH THE RAP/RAS ADDITIVE; THE AGGREGATE SEEMED TO ACHIEVE UNIFORM COATING QUICKER AND EASIER THAN WITH THE CONTROL RA 1000

32 MARSHALL SPECIMEN DATA PROPERTY COMPACTED 300 ºF 35% RAP + 5% RAS W/O HYDROGREEN S COMPACTED 270 ºF 35% RAP + 5% RAS % HYDROGREEN S on RAP AND RAS Gmm Gmb Va STABILITY 4,575 2,625 TARGET STABILITY 1,500 1,500 FLOW 17 14

33 MARSHALL SPECIMEN DATA NOTES A. HYDROGREEN S IMPARTS FLEXIBILITY TO THE STIFF RAP/RAS MIXTURE B. STABILITY: 4,575 VS. 2,625 BUT STILL EXCEEDS THE TARGET STABILITY OF 1,500 WHILE REJUVENATING THE RAP LONG TERM FLEXIBILITY VS. STIFFNESS CRACKING ENHANCED LONG TERM TEMPERATURE CYCLING HOMOGENEOUS CO-MINGLING OF AGED RAP/RAS MIXTURE PLUS VIRGIN BINDER

34 TEXAS DOT APPROVAL APRIL 2011 HYDROGREEN S APPROVED WARM MIX TECHNOLOGY BY TEXAS DOT IN APRIL 2011 HAMBURG WHEEL TRACK AND INDIRECT TENSILE STRENGTH TESTS CONDUCTED. HYDROGREEN S TO BE INCLUDED IN A UNIVERSITY OF TEXAS COMPREHENSIVE EVALUATION OF NEW WARM MIX ASPHALT TECHNOLOGIES.

35 TEXAS DOT APPROVAL APRIL 2011 HAMBURG WHEEL TRACKING DATA: Criteria HYDROGREEN S # of Passes to 12.5 mm Rut 42,626 10,000 Rut Depth, Passes TX HYDROGREEN S DOSED AT 0.75% ON THE WEIGHT OF THE RAP (35% RAP+5% RAS) IN PG BASE ASPHALT.

36 TEXAS DOT APPROVAL APRIL 2011 INDIRECT TENSILE STRENGTH DATA: Criteria HYDROGREEN S TX Dry Tensile Strength (psi): HYDROGREEN S DOSED AT 0.75% ON THE WEIGHT OF THE RAP (35% RAP+5% RAS) IN PG BASE. RAP/RAS PAVEMENTS WITH IDT>200PSI AN ISSUE IN SOME AREAS IN TX. HYDROGREEN S PROVIDES A SOLUTION TO THIS PROBLEM.

37 FLORIDA DOT Trial OCTOBER 2009 I 95 CONTROL SECTION: 40% RAP (FRACTIONATED) MIX/COMPACTION: 300 ºF VOLUME PAVED: 1,000 TONS I 95 TRIAL SECTION 1: I 95 TRIAL SECTION 2: 40% RAP % HYDROGREEN S 40% RAP % HYDROGREEN S (EQUIVALENT TO USING RA 1000) (EQUIVALENT TO USING RA 1000) MIX/COMPACTION: 270 ºF MIX/COMPACTION: 255 ºF VOLUME PAVED: 300 TONS VOLUME PAVED: 300 TONS

38 FLORIDA DOT Trial OCTOBER 2009 HYDROGREEN S ADDED TO THE NEW BINDER AND INJECTED INTO DOUBLE-BARREL MIX DRUM RESULTS: 1. NO BLUE SMOKE AT MIXING PLANT OR PAVING SITE; A BETTER ENVIRONMENT FOR THE CREW 2. NO PERFORMANCE ISSUES WITH MOISTURE 3. IMPROVED COMPACTION, IMPROVED DENSIFICATION, REDUCED RUTTING AND BETTER WORKABILITY WITH HYDROGREEN S

39 FLORIDA DOT Trial OCTOBER 2009 CHANGED TO HYDROGREEN S IN RA GRADES 3 YEARS EARLIER CONSISTENT PRODUCTION AND PAVING WITH RA GRADES BASED ON HYDROGREEN S OVER 1 MILLION TONS OF RAP PAVED IN LAST 2 YEARS ZERO COMPLAINTS TO DATE

40 NYCDOT Trial OCTOBER 2010 NYCDOT HARPER STREET ASPHALT PLANT 20% RAP (FRACTIONATED) % HYDROGREEN S HYDROGREEN S ADDED TO BINDER MIX TEMPERATURE: 275ºF REDUCED TO 250ºF LITTLE NECK PARKWAY, QUEENS 800 TONS LAID IN 3-4 INCH LIFTS 50ºF AMBIENT TEMPERATURE LAYDOWN & COMPACTION: 260ºF REDUCED TO 210ºF COMPACTED NORMALLY NO PAVEMENT DENSITY ISSUES

41 NYCDOT Trial OCTOBER 2010

42 NYCDOT Trial OCTOBER 2010

43 NYCDOT Trial OCTOBER 2010

44 NYCDOT Trial OCTOBER 2010

45 NYCDOT Trial OCTOBER 2010

46 NYCDOT Trial Binder Results OCTOBER 2010 VIRGIN BINDER USED = PG64-22 SAMPLES CORED AFTER COMPACTION TO DETERMINE FULL PG AFTER MIXING AND COMPACTION HMA CONTROL SECTION = PG (PG70-16) HYDROGREEN S SECTION = PG (PG64-22) THE HYDROGREEN S SECTION MAINTAINED PG GRADE WITH 20% RAP WHERE AS HMA CONTROL LOST A LOW TEMP. GRADE AND GAINED A HIGH TEMP. GRADE

47 HYDROGREEN S Warm-Mix Benefits Compared EQUIVALENT TEMPERATURE REDUCTION EQUIVALENT COMPACTION AND DENSITIY REDISET WMX $3.30 per ton of mix SASOBIT $2.48 per ton of mix EVOTHERM-G3 $1.58 per ton of mix HYDROGREEN S $0.30 per ton of mix plus ABILITY TO SUPPORT HIGH RAP/RAS plus...improved LOW-TEMP (PG) AND CRACK RESISTANCE

48 L.A. County Trial AUGUST % CRUMB RUBBER BLEND gal/sq. yd. 3/8 PRE-COATED CHIPS gal/sq. yd. 0.75% HYDROGREEN S/0.75% BITUTECH WA1 ON BINDER WT MIXTURE HEATED AND APPLIED TO 335 ºF PRECOATED CHIPS WERE SPREAD AND COMPACTED RESULTS: NO BLUE SMOKE / LOWER EMISSIONS REDUCED BINDER VISCOSITY 400 ºF REDUCED TO 335 ºF

49 HYDROGREEN S Preferred by Recyclers for RAP Rejuvenation HYDROGREEN S HAS BECOME THE PREFERRED ASPHALT REJUVENATOR BY MANY RAP RECYCLERS NEW YORK CONNECTICUT MASSACHUSETTS OHIO MICHIGAN WEST VIRGINIA TEXAS COLORADO MISSISSIPPI INDIANA ILLINOIS WISCONSIN ONTARIO BRITISH COLUMBIA

50 BAGELA USA IN CONNECTICUT 100% RAP/RAS 2,000 POUNDS (~98%) OF FRACTIONATED AGED RAP 2 QUARTS (0.2%) OF A POPULAR AROMATIC OIL 40 POUNDS (~2%) OF RAS PROCESS: RESULTS: HEATED TO 310 ºF IN MIXER DRUM DISCHARGED AT 290 ºF TO 305 ºF BLUE SMOKE & FUMES, OILY ODOR HEALTH OR EMISSIONS QUESTIONS

51 BAGELA USA IN CONNECTICUT 100% RAP/RAS 2,000 POUNDS (~98%) OF FRACTIONATED & AGED RAP 2 QUARTS (0.2%) OF HYDROGREEN S (100% NATURAL) 40 POUNDS (~2%) OF RAS PROCESS: HEATED TO 310 ºF IN MIXER DRUM DISCHARGED AT 290 ºF TO 305 ºF WARM MIX POTENTIAL NOT EXPLOITED AT THIS TRIAL RESULTS: NO BLUE SMOKE OR OILY ODOR NO HEALTH OR EMISSIONS QUESTIONS GOOD WORKABILITY & COMPACTION

52 Advances in HYDROGREEN Technology Hydrogreen HFP Green high flash performance and viscosity modifier High temperature blending and viscosity reduction BituTech SEF (Self-Emulsifying Concentrate) Cold-applied use in RAP & RAS Mixes, Cold Mix formulations Enables High RAP & RAS Mixes Pavement Rejuvenation (spray) Agent Green Release Agent for truck beds and hot mix bins

53 Other Products Marketed by Engineered Additives: ReactiBOND, ReactiLINK & ReactiLINK XP asphalt cross-linkers Fast acting High sulfur & low sulfur formulations H2S Scavenger Non-corrosive Reduced polymer loading Phase Angle improvement SBS & GTR

54 Other Products Marketed by Engineered Additives: BituTech WA1 warm mix modifier High Temp PG Performance modifier Compound viscosity and warm-mix benefits Superb low-temperature handling Improves flow and slump of paving mix Extends the work day for contractors Improved mix characteristics & polymer reduction

55 Products Under Development by Technologies: BituTech VPW warm mix modifier High Temp PG Performance modifier Compound viscosity and warm-mix benefits BituTech PAA Green performance modifier Improve Phase Angle Modify Penetration & Softening Point Generate BURA without oxidation

56 Engineered Additives LLC offers its clients and partners unique and cost efficient asphalt modifier and additive choices, many based on recycled or renewable resources, with the formulating support and analysis to effectively utilize those polymers in an asphalt formulation for roofing or paving use. Technologies LLC specializes in developing unique and effective products for the modification of asphalt for a variety of applications, including paving and roofing, utilizing recycled and renewable resources and conventional chemistry to create the next generation of asphalt additives, crosslinkers and performance improving modifiers.

57 WE THANK YOU! GREEN ASPHALT TECHNOLOGIES, LLC