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R-639 — Vermiculite
- Material Id
- Vermiculite
- Record Id
- 639
- Date
- 11/23/1948
- Delta T (F)
- 22.97
- Delta X (in)
- 0.9768
- Density (lb/ft3)
- 11.49
- Description
- Aggregate - fine, uniform, Placed in Wood Frames (TUC-106A)
- Form
- Loose
- K W Mk (W/mK)
- 0.5589
- Material
- Vermiculite
- Mean Temp (F)
- 70.26
- R Value per Inch (ft2hF/BTU/in)
- 0.258057
- Rsi per Inch (m2K/W/in)
- 0.045446
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API