|
Material
|
Wavelength
|
Emit.
|
| Asbestos: board |
|
0.96
|
| Asbestos: fabric |
|
0.78
|
| Asbestos: paper |
|
0.93
|
| Asbestos: slate |
|
0.96
|
| Brick: alumina |
2-5.6m
|
0.68
|
| Brick: common |
2-5.6m
|
.81-.86
|
| Brick: common,
red |
|
0.93
|
| Brick: facing,
red |
2-5.9m
|
0.92
|
| Brick: facing,
yellow |
2-5.6m
|
0.72
|
| Brick: fireclay |
|
0.85
|
| Brick: fireclay |
|
0.75
|
| Brick: fireclay |
|
0.59
|
| Brick: masonry |
5m
|
0.94
|
| Brick: red |
|
0.90
|
| Brick: waterproof |
2-5.6m
|
0.87
|
| Carbon: candle
soot |
|
0.95
|
| Carbon: graphite,
filed surface |
|
0.98
|
| Carbon: purified |
8-14m
|
0.80
|
| Cement: |
8-14m
|
0.54
|
| Charcoal: powder |
8-14m
|
0.96
|
| Chipboard:
untreated |
2-5.6m
|
0.90
|
| Clay: fired |
8-14m
|
0.91
|
| Concrete |
|
0.92
|
| Concrete: dry |
5m
|
0.95
|
| Concrete: rough |
2-5.6m
|
.92-.97
|
| Enamel: laquer |
8-14m
|
0.90
|
| Fabric: Hessian,
green |
|
0.88
|
| Fabric: Hessian,
uncolored |
2-5.6m
|
0.87
|
| Fiberglass |
|
0.750
|
| Fiber board:
porous, untreated |
2-5.6m
|
0.85
|
| Fiber board:
hard, untreated |
2-5.6m
|
0.85
|
| Filler: white |
2-5.6m
|
0.88
|
| Firebrick |
2-5.6m
|
0.68
|
| Formica |
6.5-20m
|
0.937
|
| Glass |
8-14m
|
0.92
|
| Glass: chemical
ware (partly transparent) |
6.5-20m
|
0.97
|
| Glass: frosted |
8-14m
|
0.96
|
| Glass: frosted |
|
0.70
|
| Glass: frosted |
|
0.67
|
| Glass: polished
plate |
|
0.94
|
| Granite: natural
surface |
5m
|
0.96
|
| Graphite: powder |
8-14m
|
0.97
|
| Gravel |
6.5-20m
|
0.28
|
| Gypsum |
8-14m
|
.085
|
| Hardwood: across
grain |
2-5.6m
|
0.82
|
| Hardwood: along
grain |
2-5.6m
|
.68-.73
|
| Ice |
8-14m
|
0.97
|
| Iron: heavily
rusted |
2-5.6m
|
.91-.96
|
| Lacquer: bakelite |
8-14m
|
0.93
|
| Lacquer: dull
black |
8-14m
|
0.97
|
| Lacquer: white |
8-14m
|
0.87q
|
| Lacquer: white |
|
0.92
|
| Lacquer: matte
black |
|
0.97
|
| Lacquer: shiny,
black, on metal |
|
0.87
|
| Lampblack |
8-14m
|
0.96
|
| Limestone:
natural surface |
5m
|
0.96
|
| Mortar |
2-5.6m
|
0.87
|
| Mortar: dry |
5m
|
0.94
|
| Oil, lubricating
(thin film on nickel base) |
|
|
|
Nickel base alone
|
|
0.05
|
|
Film thickness = 0.001
|
|
0.27
|
|
Film thickness = 0.002
|
|
0.46
|
|
Film thickness = 0.005
|
|
0.72
|
|
Thick coating
|
|
0.82
|
| P.V.C. |
2-5.6m
|
.91-.93
|
| Paint: 3M,
black velvet coating 9560 series optical black |
3m
|
@1.00
|
| Paint: 3M,
black velvet coating 9560 series optical black |
10m
|
@1.00
|
| Paint: Acme,
quality spray enamel, #801 brilliant black |
3m
|
.0959
|
| Paint: Acme,
quality spray enamel, #801 brilliant black |
10m
|
0.945
|
| Paint: Aquadag,
4 coats on copper aluminum |
|
0.490
|
| Paint: aluminum |
|
0.450
|
| Paint: Broma,
alkyd enamel #113 light blue |
3m
|
0.95
|
| Paint: Broma,
alkyd enamel #113 light blue |
10m
|
0.960
|
| Paint: Broma,
alkyd enamel #102, gold leaf |
3m
|
0.98
|
| Paint: Broma,
alkyd enamel #102, gold leaf |
10m
|
0.98
|
| Paint: cadmium
yellow |
|
0.33
|
| Paint: chrome
green |
|
0.70
|
| Paint: Chromatone
stabilized silver finish (Alumatone) |
3m
|
0.26
|
| Paint: Chromatone
stabilized silver finish (Alumatone) |
10m
|
0.305
|
| Paint: cobalt
blue |
|
|
| Paint: Dupont
Duco #71 wrought iron black |
3m
|
0.982
|
| Paint: Dupont
Duco #71 wrought iron black |
10m
|
0.897
|
| Paint: Dutch
Boy, 46H47, National lead high heat black |
10m
|
0.90
|
| Paint: Krylon,
flat black |
3m
|
0.95
|
| Paint: Krylon,
flat black |
10m
|
0.956
|
| Paint: Krylon,
flat white #1502 |
3m
|
0.992
|
| Paint: Kylon,
flat white #1502 |
10m
|
0.989
|
| Paint: Krylon,
ultra flat black |
5m
|
0.97
|
| Paint: Microbond,
4 coats on magnesium |
|
0.844
|
| Paint, oil:
average of 16 colors |
|
0.94
|
| Paint: oil,
black, flat |
2-5.6m
|
0.94
|
| Paint: oil,
black, gloss |
2-5.6m
|
0.92
|
| Paint: oil,
gray, flat |
2-5.6m
|
0.97
|
| Paint: oil,
gray, gloss |
2-5.6m
|
0.94
|
| Paint: oil,
various colors |
8-14m
|
0.94
|
| Paint: plastic,
black |
2-5.6m
|
0.95
|
| Paint: plastic,
white |
2-5.6m
|
0.84
|
| Paint: TiO2,
gray |
|
0.870
|
| Paint: TiO2,
white |
|
0.940
|
| Paper: black |
|
0.90
|
| Paper: black,
dull |
|
0.94
|
| Paper: black,
shiny |
8-14m
|
0.90
|
| Paper: cardboard
box |
5m
|
0.81
|
| Paper: green |
|
0.85
|
| Paper: red |
|
0.76
|
| Paper: white |
2-5.6m
|
0.68
|
| Paper: white |
8-14m
|
0.90
|
| Paper: white
bond |
|
0.93
|
| Paper: yellow |
|
0.72
|
| Paper: tar |
8-14m
|
0.92
|
| Pipes: glazed |
2-5.6m
|
0.83
|
| Plaster |
2-5.6m
|
.86-.90
|
| Plaster: rough
coat |
|
0.91
|
| Plasterboard:
untreated |
2-5.6m
|
0.90
|
| Plastic: acrylic,
clear |
5m
|
0.94
|
| Plastic: black |
2-5.6m
|
0.95
|
| Plastic: white |
2-5.6m
|
0.84
|
| Plastic paper:
red |
2-5.6m
|
0.94
|
| Plastic paper:
white |
2-5.6m
|
0.84
|
| Plexiglass:
Perpex |
2-5.6m
|
0.86
|
| Plywood |
2-5.6m
|
.83-.98
|
| Plywood: commercial,
smooth finish, dry |
5m
|
0.82
|
| Plywood: untreated |
2-5.6m
|
0.83
|
| Polyproplene |
2-5.6m
|
0.97
|
| Porcelain:
glazed |
8-14m
|
0.92
|
| Quartz |
8-14m
|
0.93
|
| Redwood: wrought,
untreated |
2-5.6m
|
0.83
|
| Redwood: unwrought,
untreated |
2-5.6m
|
0.84
|
| Rendering:
gray |
2-5.6m
|
0.92
|
| Rokide A |
|
0.770
|
| Rubber |
8-14m
|
0.95
|
| Rubber: stopper,
black |
5m
|
0.97
|
| Sand |
|
0.90
|
| Shellac: black,
dull |
|
0.91
|
| Shellac: black,
shiny, on tin plate |
|
0.82
|
| Shingles: asphalt,
sm, ceramic coated |
|
|
| Skin, human |
|
0.98
|
| Snow |
8-14m
|
0.80
|
| Soil: dry |
|
0.92
|
| Soil: frozen |
6.5-20m
|
0.93
|
| Soil: saturated
with water |
|
0.95
|
| Styrofoam:
insulation |
5m
|
0.60
|
| Tape: electrical,
insulating, black |
5m
|
0.97
|
| Tape: masking |
5m
|
0.92
|
| Tile: floor,
asbestos |
5m
|
0.94
|
| Tile: glazed |
2-5.6m
|
0.94
|
| Varnish: flat |
2-5.6m
|
0.93
|
| Wallpaper:
slight pattern, light gray |
2-5.6m
|
0.85
|
| Wallpaper:
slight pattern, red |
2-5.6m
|
0.90
|
| Water: |
8-14m
|
0.98
|
| Water: distilled |
|
0.98
|
| Water: ice,
smooth |
|
0.96
|
| Water: frost
crystals |
|
0.98
|
| Water: snow |
|
0.85
|
| Wood: oak,
planed |
|
0.90
|
| Wood: paneling,
light finish |
|
0.87
|
| Wood: planed |
8-14m
|
0.85
|
| Wood: spruce,
polished, dray |
5m
|
0.86
|