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R-981 — Rock Wool
- Material Id
- Rock Wool
- Record Id
- 981
- Date
- 4/20/1955
- Delta T (F)
- 24.36
- Delta X (in)
- 0.9906
- Density (lb/ft3)
- 5.249
- Description
- Specimens Placed in Wood Frames
- Form
- Loose
- K W Mk (W/mK)
- 0.2613
- Manufacturer
- Johns Manville
- Material
- Rock Wool
- Mean Temp (F)
- 74.08
- R Value per Inch (ft2hF/BTU/in)
- 0.551963
- Rsi per Inch (m2K/W/in)
- 0.097206
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API