Natural Weathering of Mineral Stabilized Asphalt Coatings on Organic FeltU.S. National Bureau of Standards, 1969 - 15 pages |
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Page
... 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 . Granules 2 2 2 2 2 2 2 2 4 + 4 4 a . C. 2.5 . Specimen ...
... 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 . Granules 2 2 2 2 2 2 2 2 4 + 4 4 a . C. 2.5 . Specimen ...
Page 1
... granules . 1 Formerly the Asphalt Roofing Industry Bureau . ? Figures in brackets indicate the literature references ... granules . These , too , were trimmed . to 7 X 11 in . 41 in 2.54 cm . FIGURE 1. Apparatus for preparing granule ...
... granules . 1 Formerly the Asphalt Roofing Industry Bureau . ? Figures in brackets indicate the literature references ... granules . These , too , were trimmed . to 7 X 11 in . 41 in 2.54 cm . FIGURE 1. Apparatus for preparing granule ...
Page 2
... Granule hopper and fluted granule spreader . D. S - rolls for initial embedment of the granules and removal of excess . E. Embedding rolls . F. Belt drive for pulling canvas belt through the machine . C. Back - Coater The felt - base ...
... Granule hopper and fluted granule spreader . D. S - rolls for initial embedment of the granules and removal of excess . E. Embedding rolls . F. Belt drive for pulling canvas belt through the machine . C. Back - Coater The felt - base ...
Page 5
... Granules The granules were of the ceramic type , with the characteristics listed in table 4. These characteristics were supplied by the granule manufacturer and no attempt was made to verify them . a . 2.4 . Specimen Preparation Smooth ...
... Granules The granules were of the ceramic type , with the characteristics listed in table 4. These characteristics were supplied by the granule manufacturer and no attempt was made to verify them . a . 2.4 . Specimen Preparation Smooth ...
Page 6
... granule hopper ( C ) ; then the motor was stopped for 2 min to permit the panel to cool and the granules to become firmly set . Then the panel was drawn through the S rolls ( D ) and embed- ding rolls ( E ) . The panel was removed from ...
... granule hopper ( C ) ; then the motor was stopped for 2 min to permit the panel to cool and the granules to become firmly set . Then the panel was drawn through the S rolls ( D ) and embed- ding rolls ( E ) . The panel was removed from ...
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