NBS Special Publication, Issues 411-415U.S. Government Printing Office, 1974 |
From inside the book
Results 1-5 of 96
Page xv
... specimen configuration , and the preparation of the specimen prior to test- ing . Each item must be carefully defined so that the end result is a test that is repeatable and reproducible , as determined by an interlaboratory evaluation ...
... specimen configuration , and the preparation of the specimen prior to test- ing . Each item must be carefully defined so that the end result is a test that is repeatable and reproducible , as determined by an interlaboratory evaluation ...
Page 2
... 10 3 + 12 Seconds 3 Seconds 12 14 16 FABRIC WEIGHT , mg / cm2 Figure 2. The effect of impingement time on vertical char length for nylon fabrics . 2.3 . Specimen Configuration Flammability tests have been developed that 10.
... 10 3 + 12 Seconds 3 Seconds 12 14 16 FABRIC WEIGHT , mg / cm2 Figure 2. The effect of impingement time on vertical char length for nylon fabrics . 2.3 . Specimen Configuration Flammability tests have been developed that 10.
Page 3
2.3 . Specimen Configuration Flammability tests have been developed that measure some property that can be related to a material's " inherent " hazard . These tests are conducted with the specimen held at various angles and with specimens ...
2.3 . Specimen Configuration Flammability tests have been developed that measure some property that can be related to a material's " inherent " hazard . These tests are conducted with the specimen held at various angles and with specimens ...
Page 5
... specimen burns ( specimen length is 10 inches ) , while the mean of all the average char lengths less than 7 inches was approxi- mately 3.5 inches . Therefore , the selection of 7 inches as the char length criterion appears reasonable ...
... specimen burns ( specimen length is 10 inches ) , while the mean of all the average char lengths less than 7 inches was approxi- mately 3.5 inches . Therefore , the selection of 7 inches as the char length criterion appears reasonable ...
Page 6
... specimens . Secondary cri- teria are that no single specimen have a char length of 10 inches ( specimen size : 3.5 " X 10 " ) and that no single specimen exceed the 10 second limit on residual flame time . The latter two criteria are ...
... specimens . Secondary cri- teria are that no single specimen have a char length of 10 inches ( specimen size : 3.5 " X 10 " ) and that no single specimen exceed the 10 second limit on residual flame time . The latter two criteria are ...
Contents
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aerosol sprays analysis analyzer antiperspirant Applications atomic beam Building Bureau of Standards burn room calibration calorimeter Capability carbon monoxide carpet ceiling cellulose char length chemical Chemistry combustion concentration Contact corridor cotton crib density detector determine diameter distribution droplet effect electrical electron energy Engineering fabric facility fire department fire investigation Fire Research Fire Safety fire tests firefighters flame retardant flame spread flameover flammability flow frequency Gaithersburg gypsum board hazard heat ignition source inches instrument intensity involved isotopes laboratory laser light scattering Literature mass materials ment micrometer molecular National Bureau NBS Reactor neutron nylon operation optical optical density oxide oxygen particles percent phase Phone phosphorus polymer problems pyrolysis radiant flux radiation range sample Section smoke soffit specimen spectrometer spray structure studies surface Tech techniques Technology temperature test method thermal tion vertical wall