The after corrosion emittance variation is to small. It is the same as the tolerance of the devise used to measure emittance.
duct insulation; emittance; HVAC (heating, ventilation, air-conditioning); reflective air spaces; reflective insulation; reflective insulation spacers; reflective insulation system; R-value; thermal resistance; HVAC (heating/ventilation/air conditioning) systems; Insulation; Reflective insulation; Reflective insulation--specifications; Thermal insulation; Thermal resistance/resistivity
Citing ASTM Standards
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