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Insulation R Values: rubber pure gum
1285 to 1396
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) | density (lb/ft3) | description | form | k w mk (W/mK) | manufacturer | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rubber pure gum | 1285 | 8/10/1961 | 23.06 | 1.0225 | 59.77 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0641 | (Potomac Rubber Co.) | Rubber, Pure Gum | 130.26 | 0.13554 | 0.02387 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1286 | 8/13/1961 | 24.04 | 1.0085 | 60.6 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0676 | (Potomac Rubber Co.) | Rubber, Pure Gum | 73.94 | 0.135095 | 0.023792 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1287 | 8/14/1961 | 24.86 | 1.0012 | 61.04 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.063 | (Potomac Rubber Co.) | Rubber, Pure Gum | 30.96 | 0.13568 | 0.023895 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1291 | 8/24/1961 | 24.07 | 1.0113 | 60.43 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0685 | (Potomac Rubber Co.) | Rubber, Pure Gum | 74.02 | 0.134982 | 0.023772 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1309 | 1/30/1962 | 8.09 | 0.2527 | — | Sheet, 2 per side, each 1/8 in., (A,B,C,D), ¼ in. | Slab | 1.0229 | — | Rubber, Pure Gum | 68.42 | 0.140999 | 0.024831 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1330 | 4/23/1962 | 22.96 | 1.0203 | 59.77 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0505 | (Potomac Rubber Co.) | Rubber, Pure Gum | 129.58 | 0.137295 | 0.024179 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1331 | 4/24/1962 | 24.23 | 1.0078 | 60.6 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0547 | (Potomac Rubber Co.) | Rubber, Pure Gum | 75.35 | 0.136748 | 0.024083 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1394 | 10/12/1962 | 8.82 | 0.2529 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0726 | — | Rubber, Pure Gum | 119.97 | 0.134466 | 0.023681 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1395 | 10/16/1962 | 8.88 | 0.2539 | — | Sheet, 2 per side, each 1/8 in., (A,B,C,D), ¼ in. | Slab | 1.0699 | — | Rubber, Pure Gum | 125.41 | 0.134805 | 0.023741 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1396 | 10/17/1962 | 8.57 | 0.2465 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0744 | — | Rubber, Pure Gum | 26.54 | 0.13424 | 0.023641 | NIST SRD 81 API | ASTM C 177 |
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