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R-18 — Fiberboard Wood

Material Id
Fiberboard Wood
Record Id
18
Date
9/11/1933
Delta X (in)
1.024
Density (lb/ft3)
12.7
Description
Fiberboard (?)
Form
Board
K W Mk (W/mK)
0.333
Material
Fiberboard, Wood
Mean Temp (F)
93
R Value per Inch (ft2hF/BTU/in)
0.433117
Rsi per Inch (m2K/W/in)
0.076276
Standard
Nist Srd 81 API
Trade Name
Arborite

Source: NIST SRD 81 API

fiberboard_wood — record id 18 · date 9/11/1933 · rsi per inch 0.0762763 m2K/W/in · r value per inch 0.433117 ft2hF/BTU/in · k w mk 0.333 W/mK | Insulation R Values | Engineering Database