Explore the Engineering Database more efficiently by signing up for free. Sign up free
R-669 — Cotton
- Material Id
- Cotton
- Record Id
- 669
- Date
- 4/21/1949
- Delta T (F)
- 23.73
- Delta X (in)
- 0.9856
- Density (lb/ft3)
- 0.98
- Description
- Cotton, Paper Backing (both faces)
- Form
- Blanket
- K W Mk (W/mK)
- 0.2508
- Manufacturer
- Insulation Industries, Inc.
- Material
- Cotton
- Mean Temp (F)
- 71
- R Value per Inch (ft2hF/BTU/in)
- 0.575071
- Rsi per Inch (m2K/W/in)
- 0.101276
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API