March 15, 2012 Mr. Gabriel Ojeda Fritz-Pak Corporation Phone: (214) 221-9494 4821 Eastover Circle Fax: (214) 341-3182 Mesquite, TX 75149 Email: gabrielojeda@fritzpak.com Subject: Final Report for SLICK-PAK II, Compliance Verification Type S Admixture AASHTO M 194 Standard Specification for Chemical Admixtures for Concrete Dear Mr. Ojeda: Testing, Engineering and Consulting Services, Inc. (TEC Services) is an AASHTO R18 and International Accreditation Services (IAS) (TL-458) accredited laboratory in compliance with ANS/ISO/IEC 17025:2005 and is an Army Corps of Engineering approved laboratory. TEC Services is pleased to present this report of our compliance verification testing of SLICK-PAK II, an ASTM C 494-10 Type S (Specific Performance) admixture. All sample preparation and testing was performed in accordance with applicable sections of AASHTO M 194-06, ASTM C 494 and documents referenced therein. Material and procedures outlined in AASHTO M 194 were used. Based on our results, SLICK-PAK II complies with the requirements in AASHTO M 194 and Table 1 of ASTM C 494. These test results pertain only to the sample tested. The compliance verification was performed in TEC Service s laboratory in Lawrenceville, Georgia. Concrete batching was carried out on three different days in March, 2011. One control mixture and one test mixture containing SLICK-PAK II, both meeting the requirements of AASHTO M 194 and ASTM C 494 for fresh concrete properties, were produced each day. A 1- gallon sample of SLICK-PAK II was manufactured and supplied to TEC Service by FRITZ-PAK Corporation. The air-entraining agent used in this testing was a commercially available vinsol resin admixture, meeting the requirements of AASHTO M 154-06. Mixture proportions and results of our testing are given in Tables 1 to 3. Information and test data on fine and coarse aggregates are listed in Tables 4 to 6. Table 7 contains information supplied by the producers of the SLICK-PAK II. Product information and test data on the Type I cement is included in Table 8. Test results for each of the six batches prepared for this report are included in Tables 9 through 12.
Table 1: Admixture performance and AASHTO M 194 requirements for a Type S admixture SLICK-PAK II Specification Requirements Water content (percent of control) 97 NA Time of setting, deviation of control Initial (hr:min) -0:07-1:00 to +1:30 Final (hr:min) 0:00-1:00 to +1:30 Compressive strength (percent of control) 3 days 95 90 (min) 7 days 96 90 (min) 28 days 100 90 (min) 56 days 97 90 (min) 90 days 108 NA 6 months 102 90 (min) 1 year 102 90 (min) Flexural strength (percent of control) 3 days 102 90 (min) 7 days 98 90 (min) 28 days 107 90 (min) 56 days 100 90 (min) Length change (increase over control) 0.003 0.010 (max) Relative durability factor 101 80 (min) Table 2: Mixture proportions, fresh concrete properties, and AASHTO M 194 requirements for a Type S admixture Average of Three Separate Tests Control Mixture SLICK-PAK II Specification Requirements Cement factor (lb/yd 3 ) 517 515 517 ± 5 Water (lb/yd 3 ) 280 272 Water-cement ratio 0.541 0.528 Coarse aggregate 1851 1844 Fine aggregate 1176 1188 Fine aggregate-total aggregate ratio 0.39 0.39 Slick Pak II (g/cwt) 0.00 11.0 Vinsol Resin (oz/cwt) 0.54 0.70 Slump (in.) 3.75 3.50 3 ½ ± ½ Air content (%) 5.7 5.9 5-7 (± 0.5 of control) Density (lb/ft 3 ) 141.6 141.4 Time of setting Initial (hr:min) 5:24 5:18 dev. of control (hr:min) -0:07-1:00 to +1:30 Final (hr:min) 6:56 6:56 dev. of control (hr:min) 0:00-1:00 to +1:30 Page 2 of 8
Table 3: Properties of hardened concrete Control Mixture SLICK-PAK II Compressive strength (psi) 3 days 2210 2100 7 days 3200 3070 28 days 4490 4500 56 days 4790 4660 90 days 4490 4870 6 months 5160 5250 1 year 5260 5390 Flexural strength (psi) 3 days 420 430 7 days 510 500 28 days 565 605 56 days 635 635 Length change (%) -0.016-0.019 Durability factor (%) 89 90 Table 4: Properties of fine and coarse aggregates Fine aggregate Coarse aggregate Manufacturer Martin Marietta, Shorter Vulcan, Lithonia Aggregate type Natural sand Crushed Granite Specific gravity SSD 2.60 2.63 Absorption (%) 0.43 0.60 Table 5: Gradation of fine aggregate and ASTM C 494 requirements Percent passing Sieve Fine aggregate Specifications Requirements No. 4 (4.75 mm) 100 100 No. 16 (2.36 mm) 75 65 to 75 No. 50 (300 µm) 15 12 to 20 No. 100 (150 µm) 3 2 to 5 Table 6: Gradation of coarse aggregate and ASTM C 494 requirements Percent passing Sieve Coarse aggregate Specifications Requirements 1.5 in. (37.5 mm) 100 100 1.0 in. (25.4 mm) 99 95 to 100 0.5 in. (12.5 mm) 49 25 to 60 No. 4 (4.75 mm) 4 0 to 10 No. 8 (2.36 mm) 1 0 to 5 Page 3 of 8
Table 7: Admixture information as supplied by the manufacturers Type S, Specific Performance Admixture Brand name SLICK-PAK II Manufacturer FRITZ-PAK Corporation Lot ID 030311 -SlickPakII Lot Size 1,000 gallons Oven Dried Residue (%) 94.32 ph (1% material in distilled water) 10.9 Chloride Content (%) 0.112* *Chloride content analysis performed by Wyoming Analytical Laboratories, Inc. **IR Scan performed by Applied Technical Services is attached to this report Table 8: Cement information and test data ASTM C 150 Type I cement Brand name Cemex Portland Type I Manufacturer Cemex Cement Company Chemical analyses by mass (%) Silicon dioxide (SiO 2 ) 20.6 Titanium dioxide (TiO 2 ) 0.36 Aluminum oxide (Al 2 O 3 ) 5.1 Phosphorus pentoxide (P 2 O 5 ) 0.07 Iron oxide (Fe 2 O 3 ) 3.9 Manganic oxide (Mn 2 O 3 ) 0.06 Calcium oxide (CaO) 64.5 Strontium oxide (SrO) 0.07 Magnesium oxide (MgO) 0.9 Barium oxide (BaO) 0.01 Sodium oxide (Na 2 O) 0.30 Loss on ignition (950ºC) 0.9 Potassium oxide (K 2 O) 0.35 Insoluble residue 0.14 Sulfur trioxide (SO 3 ) 2.9 Alkalies as Na 2 O 0.27 Calculated potential compounds as per ASTM C 150-05 (%) Tricalcium silicate (C 3 S) 58 Tricalcium aluminate (C 3 A) 7 Dicalcium silicate (C 2 S) 15 Tetracalcium aluminoferrite (C 4 AF) 12 Physical Testing and Results Fineness Specific Surface (Blaine) 375 m 2 /Kg Air Content (%) 6.3 Setting Times (Vicat) Initial Final 95 minutes 180 minutes Autoclave Expansion (%) -0.01 Compressive 3 Day Strength (psi) 3370 Compressive 7 Day Strength (psi) 4540 % Expansion @ 3.8% SO 3 (C1038) -0.004 Page 4 of 8
Table 9: Mixture proportions, fresh concrete properties, and time of set for three control batches Control 1 Control 2 Control 3 Average Cement factor (lb/yd 3 ) 519 517 516 517 Water (lb/yd 3 ) 280 280 279 280 Water-cement ratio 0.539 0.542 0.541 0.541 Coarse aggregate (lb/yd 3 ) 1858 1849 1845 1851 Fine aggregate (lb/yd 3 ) 1182 1172 1172 1176 Fine aggregate-total aggregate ratio 0.39 0.39 0.39 0.39 Slick-Pak II (g/cwt) 0.00 0.00 0.00 0.00 Vinsol Resin (oz/cwt) 0.53 0.54 0.54 0.54 Slump (in.) 3.75 3.75 4.00 3.75 Air content (%) 5.5 5.5 6.0 5.7 Density (lb/ft 3 ) 142.2 141.4 141.2 141.6 Time of setting Initial (hr:min) 5:30 5:22 5:22 5:24 Final (hr:min) 6:56 7:02 6:50 6:56 Table 10: Properties of hardened concrete from three control test batches Control 1 Control 2 Control 3 Average Compressive strength (psi) 3 days 2440 2250 1950 2210 7 days 3370 3040 3190 3200 28 days 4420 4450 4610 4490 56 days 4980 4330 5060 4790 90 days 5370 4490 5100 4990 6 months 5080 4930 5470 5160 1 year 5330 4960 5490 5260 Flexural strength (psi) 3 days 470 385 405 420 7 days 545 470 510 510 28 days 565 550 585 565 56 days 635 670 600 635 Length change (%) -0.012-0.014-0.021-0.016 Durability Factor (%) 91 90 85 89 Approximate Total Cycles Completed Fundamental Transverse Frequency, khz Relative Dynamic Modulus, percent Control 1 Control 2 Control 3 Control 1 Control 2 Control 3 Average 0 cycles 2.051 2.012 2.012 NA NA NA NA 61 cycles 1.953 1.914 1.855 91 90 85 89 94 cycles 1.953 1.914 1.855 91 90 85 89 153 cycles 1.953 1.914 1.855 91 90 85 89 195 cycles 1.953 1.914 1.855 91 90 85 89 226 cycles 1.953 1.914 1.855 91 90 85 89 262 cycles 1.953 1.914 1.855 91 90 85 89 293 cycles 1.953 1.914 1.855 91 90 85 89 312 cycles 1.953 1.914 1.855 91 90 85 89 Page 5 of 8
Table 11: Mixture proportions, fresh concrete properties, and time of set for three test batches containing SLICK-PAK II Test 1 Test 2 Test 3 Average Cement factor (lb/yd 3 ) 517 516 513 515 Water (lb/yd 3 ) 273 272 271 272 Water-cement ratio 0.528 0.528 0.528 0.528 Coarse aggregate (lb/yd 3 ) 1848 1846 1837 1844 Fine aggregate (lb/yd 3 ) 1191 1189 1183 1188 Fine aggregate-total aggregate ratio 0.39 0.39 0.39 0.39 Slick-Pak II (g/cwt) 11.0 11.0 11.0 11.0 Vinsol Resin (oz/cwt) 0.70 0.70 0.70 0.70 Slump (in.) 3.50 3.25 4.00 3.50 Air content (%) 5.9 5.7 6.0 5.9 Density (lb/ft 3 ) 141.8 141.6 140.9 141.4 Time of setting Initial (hr:min) 5:18 5:30 5:06 5:18 Final (hr:min) 6:56 7:09 6:43 6:56 Table 12: Properties of hardened concrete from three batches containing SLICK-PAK II Test 1 Test 2 Test 3 Average Compressive strength (psi) 3 days 2230 2390 1670 2100 7 days 3270 3030 2910 3070 28 days 4320 4560 4610 4500 56 days 4560 4680 4730 4660 90 days 4970 4750 4880 4870 6 months 5380 5210 5150 5250 1 year 5320 5700 5140 5390 Flexural strength (psi) 3 days 470 445 380 430 7 days 560 485 460 500 28 days 600 630 590 605 56 days 650 660 590 635 Length change (%) -0.021-0.019-0.017-0.019 Durability Factor (%) 94 92 83 90 Approximate Total Cycles Completed Fundamental Transverse Frequency, khz Relative Dynamic Modulus, percent Test 1 Test 2 Test 3 Test 1 Test 2 Test 3 Average 0 cycles 1.973 2.031 1.973 NA NA NA NA 61 cycles 1.914 1.953 1.797 94 92 83 90 94 cycles 1.914 1.953 1.797 94 92 83 90 153 cycles 1.914 1.953 1.797 94 92 83 90 195 cycles 1.914 1.953 1.797 94 92 83 90 226 cycles 1.914 1.953 1.797 94 92 83 90 262 cycles 1.914 1.953 1.797 94 92 83 90 293 cycles 1.914 1.953 1.797 94 92 83 90 312 cycles 1.914 1.953 1.797 94 92 83 90 Page 6 of 8
We appreciate the opportunity to provide our services to you on this project. Should you have any questions or comments regarding this report, please feel free to contact us at your convenience. Sincerely, Testing, Engineering & Consulting Services, Inc. Anne Miller Project Manager Shawn P. McCormick Laboratory Manager Attachment: IR Scan of Slick-Pak II Page 7 of 8
The IR Scan was performed by Applied Technical Services, Inc. on September 28, 2011. The sample was dried at 105 C for 17 hours per ASTM C494-10. The dried sample was then analyzed using a diamond anvil cell. Page 8 of 8