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R-489 — Concrete
- Material Id
- Concrete
- Record Id
- 489
- Date
- 2/6/1947
- Delta T (F)
- 13.23
- Delta X (in)
- 1.0225
- Density (lb/ft3)
- 65.63
- Description
- Aggregate - Expanded shale, Surfaces Ground flat, parallel, Sample (HA)
- Form
- Block
- K W Mk (W/mK)
- 2.3155
- Manufacturer
- Nbs
- Material
- Concrete
- Mean Temp (F)
- 69.83
- R Value per Inch (ft2hF/BTU/in)
- 0.062288
- Rsi per Inch (m2K/W/in)
- 0.01097
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
- Trade Name
- Haydite
Source: NIST SRD 81 API