Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Causes of Variation in Chemical Analyses and Physical Tests of Portland Cement . 40 cents BSS18 . Smoke and Gases Produced by Burning Aircraft Interior Materials . 35 cents BSS19 . Study of the Variables in the Saturating of Roofing ...
Causes of Variation in Chemical Analyses and Physical Tests of Portland Cement . 40 cents BSS18 . Smoke and Gases Produced by Burning Aircraft Interior Materials . 35 cents BSS19 . Study of the Variables in the Saturating of Roofing ...
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Continued exposure produced eleva- ted ridges , followed by thinner connecting ridges . These ridges were the result of expansion of the surface as it became oxidized . As oxidation progres- sed , the surface became progressively more ...
Continued exposure produced eleva- ted ridges , followed by thinner connecting ridges . These ridges were the result of expansion of the surface as it became oxidized . As oxidation progres- sed , the surface became progressively more ...
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The higher concentrations again produced the best performers and the thicker films lasted longer than the corresponding thinner ones . Most of the Mid - Continent coatings with fly Material Asphalt saturant Asphalt coating Petroleum ...
The higher concentrations again produced the best performers and the thicker films lasted longer than the corresponding thinner ones . Most of the Mid - Continent coatings with fly Material Asphalt saturant Asphalt coating Petroleum ...
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The only composition that produced specimens that did not fall within this range was 60 percent blue black slate in Venezuela asphalt . A second set of specimens was made , but it also did not pass the test . Both sets of specimens were ...
The only composition that produced specimens that did not fall within this range was 60 percent blue black slate in Venezuela asphalt . A second set of specimens was made , but it also did not pass the test . Both sets of specimens were ...
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... and data on the properties of well - characterized materials needed by industry , commerce , educational institutions , and Government ; develops , produces , and distributes standard reference materials ; relates the physical and ...
... and data on the properties of well - characterized materials needed by industry , commerce , educational institutions , and Government ; develops , produces , and distributes standard reference materials ; relates the physical and ...
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60 percent aluminum aluminum-base specimens appearance Applied areas asphalt coatings ASTM base Black Slate 25 blistering Blue Black Slate Building Building Science Series Bureau of Standards California asphalt Cement Center cents Characteristics Clay Column COMMERCE concentrations consists containing corresponding cracking criteria deterioration differences direction divisions doctor bar Dolomite durability early effects exposed exposure failed failure felt-base specimens FIGURE Fly Ash Government granule-surfaced specimens granules grid half heated industry Institute Kraft paper listed longer Loss on ignition losses machine materials measurement method Mica Mid-Continent asphalt mils mineral additives Months Ratio Months National Bureau observed Office Organic panel passed performances period physical prepared procedure produced Properties provides Ratio Months Ratio reference reported Research rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface TABLE technical Technology temperature tests three asphalts Venezuela asphalt Washington weather weatherometer tests