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Clayton Brown
Purdue Western Equestrian
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Equipment Purchasing


Different Testing Methods - Thermography Equipment Purchasing
Product
Quantity
Cost Per Unit
Total Cost (without Tax)
Link
NIST Drone Training - Thermal Disc
5
$20.00
$100.00
Photoresist Film
1
$12.80
$12.80
Multipurpose 6061 Aluminum Sheet - 1/8" Thick, 8" x 8"
5
$16.77
$83.85
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Precise Testing - Thermography Equipment Purchasing
Product
Quantity
Cost Per Unit
Total Cost (without Tax)
Link
SteelWorks 1/8” x 2" x 36" Aluminum Solid Flat
5
$14.98
$74.90
SteelWorks 1/8” x 2" x 96" Aluminum Solid Flat
2
$34.98
$69.96
SteelWorks 1/16” x 1-1/2" x 96" Aluminum Solid Flat
2
$17.99
$35.98
Bolts
20
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​
Stop Nuts
20
​
​
Washers
40
​
​
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Material
Emissivity
Behavior
Ice / Water
~0.95–0.99
Near-blackbody
NIST Thermal Disc
~0.95–0.98
Engineered blackbody-like
Photoresist Film (black)
~0.90–0.97
High emitter
6061 Aluminum (oxidized)
~0.1–0.3
Low emitter
6061 Aluminum (polished)
~0.03–0.06
Very reflective
6063-T5 aluminum
~0.05 – 0.10
Very reflective & after exposure to air/handling
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*Note: Photoresist Film - If the film is glossy or partially transparent in IR, emissivity could drop slightly (closer to ~0.85–0.90). Thickness and substrate (copper underneath) can also influence readings if the film is very thin

6063-T5 aluminum (like your SteelWorks flat bar)
Surface Condition
Emissivity (ε)
Notes
Bright, polished aluminum
0.03 – 0.05
Very reflective, uncommon unless intentionally polished
Clean, mill finish (new bar)
0.05 – 0.10
Best match for your Menards piece
Slightly oxidized
0.10 – 0.20
Typical after exposure to air/handling
Moderately oxidized / dull
0.20 – 0.30
Older or roughened surface
Heavily oxidized / rough
0.30 – 0.40
Weathered or textured
Anodized aluminum
0.70 – 0.90
Depends on finish/color
Painted aluminum
0.80 – 0.95
Most paints are high emissivity
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