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R-999 — Concrete
- Material Id
- Concrete
- Record Id
- 999
- Date
- 9/19/1955
- Delta T (F)
- 19.41
- Delta X (in)
- 0.9528
- Density (lb/ft3)
- 27.96
- Description
- Aggregate - Perlite
- Form
- Block
- K W Mk (W/mK)
- 0.764
- Material
- Concrete
- Mean Temp (F)
- 71.83
- R Value per Inch (ft2hF/BTU/in)
- 0.18878
- Rsi per Inch (m2K/W/in)
- 0.033246
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API