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Insulation R Values: rubber pure gum
1603 to 1693
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 | uncertainty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rubber pure gum | 1603 | 4/13/1965 | 24.96 | 0.9841 | 62.1 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.0591 | (Potomac Rubber Co.) | Rubber, Pure Gum | 30.68 | 0.13618 | 0.023983 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1637 | 1/26/1966 | 22.31 | 1.0199 | 60.91 | MIL 880A, 30-45 durometer, 1 in. | Slab | 1.0692 | — | Rubber, Pure Gum | 70.12 | 0.134893 | 0.023756 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1660 | 6/14/1966 | 9.11 | 0.2552 | — | Sheet, 2 per side, each 1/8 in., (1,2,3,4), ¼ in. | Slab | 1.0138 | — | Rubber, Pure Gum | 129.52 | 0.142265 | 0.025054 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1674 | 8/3/1966 | 12.66 | 0.4204 | 61.9 | Gum rubber (?), ½ in. | Slab | 1.0595 | — | Rubber, Pure Gum | 75.32 | 0.136128 | 0.023974 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1685 | 1/4/1967 | 23.12 | 0.9933 | 61.52 | Amber pigment, 35-45 durometer, 1 in. | Slab | 1.063 | (Potomac Rubber Co.) | Rubber, Pure Gum | 74.01 | 0.13568 | 0.023895 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1686 | 1/5/1967 | 23.82 | 0.9421 | — | Commercial gum rubber (305-mm round) | Slab | 1.0693 | Arthur D. Little, Inc. | Rubber, Pure Gum | 74.78 | 0.134881 | 0.023754 | NIST SRD 81 API | ASTM C 177 | — |
| rubber pure gum | 1687 | 1/6/1967 | 24.08 | 0.9423 | 60.96 | Commercial gum rubber (305-mm round) | Slab | 1.0814 | Arthur D. Little, Inc. | Rubber, Pure Gum | 75.16 | 0.133371 | 0.023488 | NIST SRD 81 API | ASTM C 177 | 1 |
| rubber pure gum | 1688 | 1/9/1967 | 24.65 | 0.9331 | 61.56 | Commercial gum rubber (305-mm round) | Slab | 1.0806 | Arthur D. Little, Inc. | Rubber, Pure Gum | 29.39 | 0.13347 | 0.023505 | NIST SRD 81 API | ASTM C 177 | 1 |
| rubber pure gum | 1689 | 1/10/1967 | 22.02 | 0.9285 | 61.86 | Commercial gum rubber (305-mm round) | Slab | 1.0846 | Arthur D. Little, Inc. | Rubber, Pure Gum | -0.22 | 0.132978 | 0.023419 | NIST SRD 81 API | ASTM C 177 | 1 |
| rubber pure gum | 1693 | 1/25/1967 | 22.95 | 1.0318 | 60.1 | Commercial gum rubber | Slab | 1.1199 | (Dynatech Corporation) | Rubber, Pure Gum | 129.95 | 0.128786 | 0.022681 | NIST SRD 81 API | ASTM C 177 | — |
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