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 .
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Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt Sidney H. Greenfeld Sixteen years of outdoor weathering of laboratory - prepared smooth - surface and mineral- surfaced , felt - base roofing specimens has ...
Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic Felt Sidney H. Greenfeld Sixteen years of outdoor weathering of laboratory - prepared smooth - surface and mineral- surfaced , felt - base roofing specimens has ...
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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 .
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Surface area Oil absorption ' - Water absorption - Loss on ignition at 1000 ° F . Loss on ignition at 1800 ° F . Moisture Solubility . Free alkali .m / g .. 2.94 2.64 2.87 2.62 3.01 2.68 1.0 27.2 2.0 2.0 2.7 2.5 lb / 100 lb .
Surface area Oil absorption ' - Water absorption - Loss on ignition at 1000 ° F . Loss on ignition at 1800 ° F . Moisture Solubility . Free alkali .m / g .. 2.94 2.64 2.87 2.62 3.01 2.68 1.0 27.2 2.0 2.0 2.7 2.5 lb / 100 lb .
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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 ...
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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