Investigation of Performance Characteristics for Sanitary Plumbing FixturesU.S. National Bureau of Standards, 1970 - 68 pages |
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Page 20
... abrading specimens shall be the Gardner Heavy Duty Wear Tester , " shown in figure 2.10-1 . This apparatus as used herein abrades specimens by the reciprocating action of four hog - bristle brushes moving back and forth across 12 ...
... abrading specimens shall be the Gardner Heavy Duty Wear Tester , " shown in figure 2.10-1 . This apparatus as used herein abrades specimens by the reciprocating action of four hog - bristle brushes moving back and forth across 12 ...
Page 21
... abrading specimens consists of placing fixed weights of alloy steel balls , abra- sive , and water in a cylindrical container with a rubber ring at the bottom to serve as a gasket . The balls and abrasive rest on the surface of the ...
... abrading specimens consists of placing fixed weights of alloy steel balls , abra- sive , and water in a cylindrical container with a rubber ring at the bottom to serve as a gasket . The balls and abrasive rest on the surface of the ...
Page 22
... abrade a second porcelain - enameled steel specimen . Again the specimen was worn near the center but not on the outer ... abraded with Ajax for 10,000 cycles at a 4 - lb force . Although this treat- ment resulted in a more uniform ...
... abrade a second porcelain - enameled steel specimen . Again the specimen was worn near the center but not on the outer ... abraded with Ajax for 10,000 cycles at a 4 - lb force . Although this treat- ment resulted in a more uniform ...
Page 23
... ABRADED SURFACE ) -0.5 DISTANCE FROM CENTER OF SPECIMEN , INCH FIGURE 2.10-2 . Profiles of original and abraded surfaces of porcelain- enameled steel and FRPE specimens . 1/4 " FIGURE 2.12-1 . Surface impact - resistance test. 1 2 3 ...
... ABRADED SURFACE ) -0.5 DISTANCE FROM CENTER OF SPECIMEN , INCH FIGURE 2.10-2 . Profiles of original and abraded surfaces of porcelain- enameled steel and FRPE specimens . 1/4 " FIGURE 2.12-1 . Surface impact - resistance test. 1 2 3 ...
Page 24
... abraded surfaces , as prescribed in section 6.5 , 10 g of the " standard dirt " are ap- plied to the abraded specimens and rubbed into the surfaces with a dampened chamois , using heavy thumb pressure . After the dirt has dried for at ...
... abraded surfaces , as prescribed in section 6.5 , 10 g of the " standard dirt " are ap- plied to the abraded specimens and rubbed into the surfaces with a dampened chamois , using heavy thumb pressure . After the dirt has dried for at ...
Common terms and phrases
abraded abrasion ammonium hydroxide apparatus ASTM designation blisters Bon Ami bottom brush Brush Brush Brush Bureau of Standards cast-iron center deflection cleanability cleaning color Comments on Performance Commercial Standard cracking cycles damage depth detergent dial gage diam Discussion of Existing drain enameled evaluate exposure fixture materials flat specimens FRPE bathtubs FRPE fixtures FRPE specimens gel-coat household chemicals inspection installed iron laboratory manufacturers Mercurochrome National Bureau observed percent Performance Level Performance Requirements plastic polyester porcelain proposed revision Purpose and Scope Rationale for Suggested Rationale for Test Recommended Test Method removal resistance rating sanitary plumbing fixtures sanitary ware Scope The purpose scouring powder scratch scratch test scrub section 2.8 simulate slip resistance slurry soap Sodium soilability soiling agent Spec stain rating Suggested Format sump surface TEFLON temperature test area Test Development test procedure Test Results Tester thermal shock tion vitreous china watch glass weight
Popular passages
Page 4 - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards , nor does it imply that the...
Page 1 - This report gives findings and recommendations developed during an investigation of performance characteristics for sanitary plumbing fixtures, conducted at the request of the Building Research Advisory Board of the National Academy of Sciences-National Research Council. The...