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R-902 — Fiberboard

Material Id
Fiberboard
Record Id
902
Date
6/2/1953
Delta T (F)
24.63
Delta X (in)
0.9765
Density (lb/ft3)
15.5
Description
Insulation board, Light Asphalt Coatings (both faces)
Form
Board
K W Mk (W/mK)
0.352
Material
Fiberboard
Mean Temp (F)
72.73
R Value per Inch (ft2hF/BTU/in)
0.409738
Rsi per Inch (m2K/W/in)
0.072159
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

fiberboard — record id 902 · rsi per inch 0.0721591 m2K/W/in · r value per inch 0.409738 ft2hF/BTU/in · k w mk 0.352 W/mK · date 6/2/1953 | Insulation R Values | Engineering Database