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R-182 — Fiberboard

Material Id
Fiberboard
Record Id
182
Date
6/11/1940
Delta X (in)
0.77
Density (lb/ft3)
15
Form
Board
K W Mk (W/mK)
0.378
Material
Fiberboard
Mean Temp (F)
91.6
R Value per Inch (ft2hF/BTU/in)
0.381555
Rsi per Inch (m2K/W/in)
0.067196
Standard
Nist Srd 81 API

Source: NIST SRD 81 API

fiberboard — record id 182 · rsi per inch 0.0671958 m2K/W/in · r value per inch 0.381555 ft2hF/BTU/in · k w mk 0.378 W/mK · date 6/11/1940 | Insulation R Values | Engineering Database