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R-157 — Vermiculite
- Material Id
- Vermiculite
- Record Id
- 157
- Date
- 10/12/1939
- Delta X (in)
- 1.012
- Density (lb/ft3)
- 5.4
- Description
- Mica fill, 3 to 8 mesh, North Carolina Ore
- Form
- Loose
- K W Mk (W/mK)
- 0.446
- Material
- Vermiculite
- Mean Temp (F)
- 101.3
- R Value per Inch (ft2hF/BTU/in)
- 0.323381
- Rsi per Inch (m2K/W/in)
- 0.056951
- Standard
- Nist Srd 81 API
Source: NIST SRD 81 API