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R-1116 — Fiberboard

Material Id
Fiberboard
Record Id
1116
Date
11/4/1958
Delta T (F)
20.9
Delta X (in)
0.5003
Density (lb/ft3)
18.36
Description
Asphalt Coating (one face), ½ in.
Form
Board
K W Mk (W/mK)
0.3909
Material
Fiberboard
Mean Temp (F)
71.55
R Value per Inch (ft2hF/BTU/in)
0.368964
Rsi per Inch (m2K/W/in)
0.064978
Standard
Nist Srd 81 API
Test Method
ASTM C 177

Source: NIST SRD 81 API

fiberboard — record id 1116 · rsi per inch 0.0649783 m2K/W/in · r value per inch 0.368964 ft2hF/BTU/in · k w mk 0.3909 W/mK · date 11/4/1958 | Insulation R Values | Engineering Database