Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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The properties of these materials are listed in table 1 . b . Asphalts The descriptions and properties of the three asphalts used in this investigation were reported previously [ 3 ] and are tabulated in table 2 .
The properties of these materials are listed in table 1 . b . Asphalts The descriptions and properties of the three asphalts used in this investigation were reported previously [ 3 ] and are tabulated in table 2 .
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Carbon TABLE 1. Characteristics of mineral additives Blue Black Slate Florida Clay 1 Niagara Dolomite Low Carbon Fly Ash Tennessee Mica Lake Erie Silica # 50 - Quarry Delta , Pa . Mine Edgar , Fla . Quarry Joliet , Ill . Philadelphia ...
Carbon TABLE 1. Characteristics of mineral additives Blue Black Slate Florida Clay 1 Niagara Dolomite Low Carbon Fly Ash Tennessee Mica Lake Erie Silica # 50 - Quarry Delta , Pa . Mine Edgar , Fla . Quarry Joliet , Ill . Philadelphia ...
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TABLE 2. Characteristics of unstabilized asphalt coatings used as controls Asphalt California Mid - continent Venezuela Test Softening point 1 . ° F ( ° C ) -- 223 ( 106.0 ) 224 ( 106.5 ) 227 ( 107.8 ) Penetration at 32 ° F ( 0 ° C ) 2 ...
TABLE 2. Characteristics of unstabilized asphalt coatings used as controls Asphalt California Mid - continent Venezuela Test Softening point 1 . ° F ( ° C ) -- 223 ( 106.0 ) 224 ( 106.5 ) 227 ( 107.8 ) Penetration at 32 ° F ( 0 ° C ) 2 ...
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Furnish , % : TABLE 3. Characteristics of felt Gauge , lb / 480 ft ?? Kerosene capacity 1 Caliper , mils : Tensile , lb / in Ash , % : California asphalt . Mid - Continent asphalt . Venezuela asphalt Dry felt Rags Paper Asplund Scrap ...
Furnish , % : TABLE 3. Characteristics of felt Gauge , lb / 480 ft ?? Kerosene capacity 1 Caliper , mils : Tensile , lb / in Ash , % : California asphalt . Mid - Continent asphalt . Venezuela asphalt Dry felt Rags Paper Asplund Scrap ...
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Outdoor Performance TABLE 6. Smooth surface. b . Granule - Surfaced , Felt - Base Specimens The asphalt and felts were prepared as in 2.4a . The hot plate ( A ) on the laboratory roofing machine ( fig . 1 ) was heated to about 250 ° F ...
Outdoor Performance TABLE 6. Smooth surface. b . Granule - Surfaced , Felt - Base Specimens The asphalt and felts were prepared as in 2.4a . The hot plate ( A ) on the laboratory roofing machine ( fig . 1 ) was heated to about 250 ° F ...
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Common terms and phrases
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
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, ISSN 0083-1794 |
| 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 |