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T. M. COBB GO.

T. M. COBB GO.

Eigh Eatly Sttength PORTIAND GEMENT

Guqrqnteed to meet or exceed requirements ol Americcm Society lor Testing Mcrtericls Speciliccr' tions lor High Ecrly Strength Portlcrnd Cement, qs well qs Federcrl Specificcrtions lor Cemeni, Portlcrnd, High-Ecrh-Strength, No. E-SS-C-201c.

HIGH DARI,Y STRETIGTH

(28 dcry concrete strengths in 2{ hours.)

SIII.PHATD RDSISTATIT lfif IMUM IXPAIfSI(II| and C0I|TRACTI0II

(Resutt of compound composition crnd usucrlly lound only in specicl cemente desigmed lor this purpose.)

(Extremely severe quto-clqve tesl results consistently indiccrte prccticclly no expcrnsion or contrcrction, thus elimincting one ol most rtiflicult problems in use oI <r high ecrrly strength cement.)

PAGruD III MOISTURE - PROOT GRIDII

PAPDN SACK

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