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R-274 — Asphalt
- Material Id
- Asphalt
- Record Id
- 274
- Date
- 1/27/1942
- Delta T (F)
- 8.29
- Delta X (in)
- 0.973
- Density (lb/ft3)
- 97.9
- Description
- 52% asphalt, 48% Wood Resin pitch, Mineral Filler
- Form
- Block
- K W Mk (W/mK)
- 2.8788
- Material
- Asphalt
- Mean Temp (F)
- 81.73
- R Value per Inch (ft2hF/BTU/in)
- 0.0501
- Rsi per Inch (m2K/W/in)
- 0.008823
- Standard
- Nist Srd 81 API
Source: NIST SRD 81 API