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Equipment Purchasing
Precise Testing - Thermography Equipment Purchasing
Product
Quantity
Cost Per Unit
Total Cost (without Tax)
Link
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
There are no rows in this table
*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
There are no rows in this table
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