Explore the Engineering Database more efficiently by signing up for free. Sign up free
R-1648 — Nbs Gum Rubber
- Material Id
- Nbs Gum Rubber
- Record Id
- 1648
- Date
- 3/28/1966
- Delta T (F)
- 18.55
- Delta X (in)
- 0.6854
- Density (lb/ft3)
- 61.85
- Description
- Natural rubber, ASTM-2A recipe, Cure 140 °C, 0.5 h: R(100g); ZnO(5g); S(2.5g); Stearic ACID(2.0G); Altex(1.0g); Phenyl Beta Naphthylamine (antioxidant) (1.0G); Samples 8X8X3/4 in., No. 1,3,5 & 2,4,6
- Form
- Slab
- K W Mk (W/mK)
- 1.0487
- Manufacturer
- NBS, Rubber Section
- Material
- Nbs Gum Rubber
- Mean Temp (F)
- 70.15
- R Value per Inch (ft2hF/BTU/in)
- 0.13753
- Rsi per Inch (m2K/W/in)
- 0.02422
- Standard
- Nist Srd 81 API
- Test Method
- ASTM C 177
Source: NIST SRD 81 API