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R-688 — Cotton
- Material Id
- Cotton
- Record Id
- 688
- Date
- 8/22/1949
- Delta T (F)
- 23.96
- Delta X (in)
- 0.8938
- Density (lb/ft3)
- 0.76
- Description
- Roll 41799T, Sample # 2, Backing
- Form
- Blanket
- K W Mk (W/mK)
- 0.2633
- Material
- Cotton
- Mean Temp (F)
- 71.24
- R Value per Inch (ft2hF/BTU/in)
- 0.54777
- Rsi per Inch (m2K/W/in)
- 0.096468
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API