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R-998 — Fiberboard
- Material Id
- Fiberboard
- Record Id
- 998
- Date
- 9/16/1955
- Delta T (F)
- 23.73
- Delta X (in)
- 0.4956
- Density (lb/ft3)
- 14.86
- Description
- ½ in.
- Form
- Board
- K W Mk (W/mK)
- 0.3516
- Material
- Fiberboard
- Mean Temp (F)
- 71.72
- R Value per Inch (ft2hF/BTU/in)
- 0.410204
- Rsi per Inch (m2K/W/in)
- 0.072241
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API