Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt |
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Smooth - surface , felt - base specimens . Granule - surfaced specimens .. Back - coater .. Aluminum - base panels . 2.3 . Materials . 1 1 a . Mineral matter .. b . Asphalts C. Saturated felts d . Aluminum panels e .
Smooth - surface , felt - base specimens . Granule - surfaced specimens .. Back - coater .. Aluminum - base panels . 2.3 . Materials . 1 1 a . Mineral matter .. b . Asphalts C. Saturated felts d . Aluminum panels e .
Page 1
... outdoor weathering of laboratory - prepared smooth - surface and mineral- surfaced , felt - base roofing specimens has provided information on the effects of mineral additives on the durability of coating - grade roofing asphalts .
... outdoor weathering of laboratory - prepared smooth - surface and mineral- surfaced , felt - base roofing specimens has provided information on the effects of mineral additives on the durability of coating - grade roofing asphalts .
Page 2
Smooth - Surface , Felt - Base Specimens Crimped ( solder free ) gallon cans . Asphalt melting bath . Six - ounce ladle . Laboratory hydraulic press with 12- X 14 - in cadmiun - plated platens . Tempered hardboard , 12 x 14 in .
Smooth - Surface , Felt - Base Specimens Crimped ( solder free ) gallon cans . Asphalt melting bath . Six - ounce ladle . Laboratory hydraulic press with 12- X 14 - in cadmiun - plated platens . Tempered hardboard , 12 x 14 in .
Page 5
Specimen Preparation Smooth - Surface , Felt - Base Specimens The asphalts were melted in a double - boiler , con- sisting of a one - gallon can , wrapped in aluminum foil to prevent contamination , sitting in a two- gallon bucket half ...
Specimen Preparation Smooth - Surface , Felt - Base Specimens The asphalts were melted in a double - boiler , con- sisting of a one - gallon can , wrapped in aluminum foil to prevent contamination , sitting in a two- gallon bucket half ...
Page 6
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 ( 121 ° C ) and the doctor bar ( B ) to 450 ° F ...
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 ( 121 ° C ) and the doctor bar ( B ) to 450 ° 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 |