Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
From inside the book
Page 10
Figure 3 is a photograph of some of the specimens made with Mid - Continent asphalt after 162 years of exposure . The test specimens are the five in each .column under the identification tags , as identified in figure 3 .
Figure 3 is a photograph of some of the specimens made with Mid - Continent asphalt after 162 years of exposure . The test specimens are the five in each .column under the identification tags , as identified in figure 3 .
Page 14
In the extreme cases , such as 60 percent silica in the 15 mil coatings of all three asphalts , the specimens exposed outdoors were more durable than the corresponding straight asphalt specimens and the specimens in the weatherometers ...
In the extreme cases , such as 60 percent silica in the 15 mil coatings of all three asphalts , the specimens exposed outdoors were more durable than the corresponding straight asphalt specimens and the specimens in the weatherometers ...
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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