|
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
|