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Insulation R Values: rubber pure gum
1442 to 1548
Insulation R-values and thermal conductivity data from NIST SRD 81 — covers fiberglass, foam, cellulose, mineral wool, and other building insulation materials
| material id | record id | date | delta t (F) | delta x (in) | description | form | k w mk (W/mK) | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rubber pure gum | 1442 | 7/8/1963 | 8.93 | 0.2535 | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0127 | Rubber, Pure Gum | 120.2 | 0.142419 | 0.025081 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1443 | 7/9/1963 | 8.69 | 0.2481 | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0143 | Rubber, Pure Gum | 26.59 | 0.142195 | 0.025042 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1466 | 11/8/1963 | 8.95 | 0.2543 | Sheet, 2 per side, each 1/8 in., dry, (1,2,3,4), ¼ in. | Slab | 1.0141 | Rubber, Pure Gum | 120.89 | 0.142223 | 0.025047 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1467 | 11/12/1963 | 8.52 | 0.2468 | Sheet, 2 per side, each 1/8 in., dry, (1,2,3,4), ¼ in. | Slab | 1.0277 | Rubber, Pure Gum | 26.73 | 0.14034 | 0.024715 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1468 | 11/13/1963 | 8.88 | 0.2535 | Sheet, 2 per side, each 1/8 in., oil, (1,2,3,4), ¼ in. | Slab | 1.0166 | Rubber, Pure Gum | 120.86 | 0.141873 | 0.024985 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1471 | 11/19/1963 | 8.49 | 0.2475 | Sheet, 2 per side, each 1/8 in., oil, (1,2,3,4), ¼ in. | Slab | 1.0366 | Rubber, Pure Gum | 26.56 | 0.139136 | 0.024503 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1546 | 8/7/1964 | 9.05 | 0.2557 | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0125 | Rubber, Pure Gum | 129.94 | 0.142447 | 0.025086 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1547 | 8/7/1964 | 8.99 | 0.2539 | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0115 | Rubber, Pure Gum | 118.7 | 0.142588 | 0.025111 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1548 | 8/10/1964 | 9.07 | 0.251 | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0208 | Rubber, Pure Gum | 69.3 | 0.141289 | 0.024882 | NIST SRD 81 API | ASTM C 177 |
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