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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