654321
20.20T20rubbed with 80-
grit emery
Brass
10.06T20sheet, rolledBrass
10.2T20sheet, worked with
emery
Brass
50.68SW17aluminaBrick
50.86–0.81SW17commonBrick
10.85T1100Dinas silica,
glazed, rough
Brick
10.66T1000Dinas silica, refrac-
tory
Brick
10.80T1000Dinas silica,
unglazed, rough
Brick
50.68SW17firebrickBrick
10.85T20fireclayBrick
10.75T1000fireclayBrick
10.59T1200fireclayBrick
70.94SW35masonryBrick
10.94T20masonry, plas-
tered
Brick
20.93T20red, commonBrick
10.88–0.93T20red, roughBrick
10.46T1000refractory, corun-
dum
Brick
10.38T1000–1300refractory, magne-
site
Brick
10.8–0.9T500–1000refractory, strongly
radiating
Brick
10.65–0.75T500–1000refractory, weakly
radiating
Brick
10.66T1230silica, 95% SiO
2
Brick
10.29T1500sillimanite, 33%
SiO
2
, 64% Al
2
O
3
Brick
188 Publ. No. T559597 Rev. a554 – ENGLISH (EN) – September 27, 2011
35 – Emissivity tables