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R-991 — Cellulose

Material Id
Cellulose
Record Id
991
Date
5/23/1955
Delta T (F)
24.93
Delta X (in)
0.991
Density (lb/ft3)
3.049
Form
Loose
K W Mk (W/mK)
0.2822
Material
Cellulose
Mean Temp (F)
72.35
R Value per Inch (ft2hF/BTU/in)
0.511084
Rsi per Inch (m2K/W/in)
0.090007
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Insulgard

Source: NIST SRD 81 API

cellulose — record id 991 · rsi per inch 0.0900071 m2K/W/in · r value per inch 0.511084 ft2hF/BTU/in · date 5/23/1955 · k w mk 0.2822 W/mK | Insulation R Values | Engineering Database