2021-03-16_REVISION - M1977300 (13)

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U11 MOUNTAIN CEMENT COMPANY Certificate of Test ASTM C150 Type V February 10, 2020 AASHTO M85 Type V Lot 1-31 C150 Chemical Requirements—Table 1 C150 Physical Requirements—Table 3 Item Spec Limit Result Item Spec Limit Result AI203 N/A 4.5 Blaine Specific Surface,m2/kg C204 260 Min 376 Fe203 N/A 2.9 Air Content of Mortar,Vol% C 185 12 Max 7.0 Mg0 6.0 Max 1.0 Autoclave Expansion,% C 151 0.80 Max 0.09 S03 2.3* 3.0 Vicat Initial Time of Set,min C191 45 Min 96 L.O.I. 3.5 Max 2.1 Vicat Final Time of Set,min C191 375 Max 192 Insoluble Res 1.5 Max 0.6 Compressive Strength,psi: C109 3 Days 1740 Min 4200 *Does not apply. In compliance with Footnote D, 7 Days 2760 Min 5100 Table 1,ASTM Standard Specification C150 and Lot 335-365 28 Days 3050 Min 6070 AASHTO Standard Specification M85. Compound Composition Additional Data Item Suec Limit Result Limestone Base Cement Phase Comn C3A,% 5 Max** 7 Amount(%) 3.1 C3S(%) 62 Equivalent Alkalies,% N/A 0.65 Si02(%) 2.5 C2S(%) 13 C4AF+2-C3A 25 Max** 23 A1203(%) 0.5 C3A(%) 7 Inorg Proc Addt's,% 5.0 Max 0 Fe203(%) 0.2 C4AF(%) 9 CaCO3 in Limestone,% 70 Min 94.4 CaO(%) 52.9 Limestone Additions 5.0 Max 3.1 S03(%) 0.1 C 103 8 Expansion,% 0.020%Max 0.003 **Does not apply when C452 sulfate resistance limit in Table 4 is used,see below ASTM C150 Optional Requirements—Table 4 Item Spec Limit Result C452 Sulfate Resistance, 14 Days,max,%expansion 0.040 max 0.030 This cement has been sampled and tested in accordance with ASTM standard methods and procedures.Cement chemical analysis are reported as oxides,in accordance with ASTM Test Method C114.This cement is manufactured at our Laramie,Wyoming facility.All test results are certified to comply with the type and specification designated.We are not responsible for improper use or workmanship. Bob Kersey, Chief Chemist