Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Page 8
It is evident from the above data asphalt moves roughly 25 times as much as the saturated felt does in the cross direction and 50 times as much as the saturated felt in the machine direction as the temperature changes .
It is evident from the above data asphalt moves roughly 25 times as much as the saturated felt does in the cross direction and 50 times as much as the saturated felt in the machine direction as the temperature changes .
Page 9
... sources Organic feltmachine direction Organic feltcross direction Aluminum alloys 5.8-6.2 x 10-4 additives , the thicker films are performing better and the asphalts are tending to fall in the same order of durability .
... sources Organic feltmachine direction Organic feltcross direction Aluminum alloys 5.8-6.2 x 10-4 additives , the thicker films are performing better and the asphalts are tending to fall in the same order of durability .
Page 14
... smooth - surface specimens , the results in the weatherometer tests in most instances predicted the relative durabilities of the coating . Where the weatherometers were different , the difference was in the conservative direction .
... smooth - surface specimens , the results in the weatherometer tests in most instances predicted the relative durabilities of the coating . Where the weatherometers were different , the difference was in the conservative direction .
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60 percent aluminum aluminum-base specimens appearance Applied 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 Composition Coating thickness 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 heated industry instances Institute Loss on ignition losses machine materials measurement method Mica Mid-Continent asphalt mils mineral additives Months Ratio Months National Bureau observed Office panel passed performances period physical prepared produced Properties provides Ratio Months Ratio reference reported Research Retained rolls roofing saturated felt sheets shingle Silica smooth smooth-surface smooth-surface specimens spalling surface tabs technical Technology temperature tests three asphalts type of specimen Venezuela asphalt Washington weather
Bibliographic information
| Title | Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt Volume 24 of Building science series, United States National Bureau of Standards Volume 24 of National Bureau of Standards building science series |
| Author | Sidney H. Greenfeld |
| Publisher | U.S. National Bureau of Standards, 1969 |
| Original from | the University of Michigan |
| Digitized | 18 Aug 2006 |
| Length | 15 pages |
| Export Citation | BiBTeX EndNote RefMan |