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R-445 — Rubber Buna S
- Material Id
- Rubber Buna S
- Record Id
- 445
- Date
- 4/11/1946
- Delta T (F)
- 21.18
- Delta X (in)
- 0.9608
- Density (lb/ft3)
- 13.67
- Description
- Cellular (sponge), black, Moderately soft, 1 in.
- Form
- Slab
- K W Mk (W/mK)
- 0.3999
- Manufacturer
- Sponge Rubber Products Co.
- Material
- Rubber, Buna S
- Mean Temp (F)
- 86.43
- R Value per Inch (ft2hF/BTU/in)
- 0.36066
- Rsi per Inch (m2K/W/in)
- 0.063516
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API