Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Aluminum - base panels 2.3 . Materials . Mineral matter . b . Asphalts Saturated felts . d . Aluminum panels . Granules 2.4 . Specimen preparation Smooth - surface , felt - base specimens . b . Granule - surfaced , felt - base specimens ...
Aluminum - base panels 2.3 . Materials . Mineral matter . b . Asphalts Saturated felts . d . Aluminum panels . Granules 2.4 . Specimen preparation Smooth - surface , felt - base specimens . b . Granule - surfaced , felt - base specimens ...
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It consisted of the coating on 234- X 6 - in aluminum panels . The results of these tests were reported earlier ( 3 ) . E. Embedding rolls . F. Belt drive for pulling canvas belt through the machine . c . Back - Coater 2.2 .
It consisted of the coating on 234- X 6 - in aluminum panels . The results of these tests were reported earlier ( 3 ) . E. Embedding rolls . F. Belt drive for pulling canvas belt through the machine . c . Back - Coater 2.2 .
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Aluminum Panels The panels , made from S - 2 aluminum alloy , were 6 in long , 234 in wide , and 0.065 in thick . e . Granules The granules were of the ceramic type , with the characteristics listed in table 4.
Aluminum Panels The panels , made from S - 2 aluminum alloy , were 6 in long , 234 in wide , and 0.065 in thick . e . Granules The granules were of the ceramic type , with the characteristics listed in table 4.
Page 6
Aluminum - 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 ( 121 ° C ) and the doctor bar ( B ) to 450 ° F ( 232 ° C ) .
Aluminum - 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 ( 121 ° C ) and the doctor bar ( B ) to 450 ° F ( 232 ° C ) .
Page 7
The aluminum - base specimens and the granulesurfaced , felt - base specimens experienced essentially no blistering . TABLE 5. Failure criteria Specimen type Criterion of failure Smooth - surface , felt base Spalls in 25 grid areas ( 25 ...
The aluminum - base specimens and the granulesurfaced , felt - base specimens experienced essentially no blistering . TABLE 5. Failure criteria Specimen type Criterion of failure Smooth - surface , felt base Spalls in 25 grid areas ( 25 ...
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Common terms and phrases
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 |