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R-428 — Cellulose

Material Id
Cellulose
Record Id
428
Date
6/8/1945
Delta T (F)
20.66
Delta X (in)
1.0109
Density (lb/ft3)
2.1
Description
Ground paper, treated, Placed in Wood frames, 1 in.
Form
Loose
K W Mk (W/mK)
0.2803
Manufacturer
Pal-O-Pak Insulation Co. (National Cooperatives, Inc.)
Material
Cellulose
Mean Temp (F)
90.54
R Value per Inch (ft2hF/BTU/in)
0.514548
Rsi per Inch (m2K/W/in)
0.090617
Standard
Nist Srd 81 API
Test Method
ASTM C 177
Trade Name
Pal-O-Pak®

Source: NIST SRD 81 API

cellulose — record id 428 · rsi per inch 0.0906172 m2K/W/in · r value per inch 0.514548 ft2hF/BTU/in · date 6/8/1945 · k w mk 0.2803 W/mK | Insulation R Values | Engineering Database