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Insulation R Values: rubber pure gum
1549 to 1602
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 | 1549 | 8/10/1964 | 9.04 | 0.2501 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.02 | — | Rubber, Pure Gum | 61.59 | 0.1414 | 0.024902 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1550 | 8/11/1964 | 8.83 | 0.2473 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0304 | — | Rubber, Pure Gum | 17.38 | 0.139973 | 0.024651 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1551 | 8/12/1964 | 8.89 | 0.2476 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0263 | — | Rubber, Pure Gum | 28.59 | 0.140532 | 0.024749 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1570 | 12/1964 | 21.92 | 1.0014 | — | — | Slab | 1.0568 | (Potomac Rubber Co.) | Rubber, Pure Gum | 130.38 | 0.136476 | 0.024035 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1571 | 12/22/1964 | 21.72 | 1.0093 | 60.47 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.054 | (Potomac Rubber Co.) | Rubber, Pure Gum | 130.27 | 0.136839 | 0.024099 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1598 | 4/1/1965 | 23.13 | 1.003 | 60.93 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0567 | (Potomac Rubber Co.) | Rubber, Pure Gum | 129.88 | 0.136489 | 0.024037 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1599 | 4/2/1965 | 23.13 | 1.0025 | 60.96 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0542 | (Potomac Rubber Co.) | Rubber, Pure Gum | 129.76 | 0.136813 | 0.024094 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1600 | 4/5/1965 | 23.21 | 0.9932 | 61.53 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0585 | (Potomac Rubber Co.) | Rubber, Pure Gum | 74.26 | 0.136257 | 0.023996 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1601 | 4/6/1965 | 24.94 | 0.9852 | 62.03 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0596 | (Potomac Rubber Co.) | Rubber, Pure Gum | 30.69 | 0.136115 | 0.023971 | NIST SRD 81 API | ASTM C 177 |
| rubber pure gum | 1602 | 4/9/1965 | 24.13 | 0.9801 | 62.35 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0641 | (Potomac Rubber Co.) | Rubber, Pure Gum | 2.51 | 0.13554 | 0.02387 | NIST SRD 81 API | ASTM C 177 |
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