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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