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Insulation R Values: rubber
898 to 931
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) | material | mean temp (F) | r value per inch (ft2hF/BTU/in) | rsi per inch (m2K/W/in) | standard | test method |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| rubber | 898 | 5/26/1953 | 11.02 | 0.3915 | 7.861 | Arctic black rubber (2), 0.4 in. | Slab | 0.2753 | Rubber | 29.32 | 0.523894 | 0.092263 | NIST SRD 81 API | ASTM C 177 |
| rubber | 900 | 5/28/1953 | 11.35 | 0.4743 | 18.35 | Arctic black rubber (5), 0.4 in. | Slab | 0.5141 | Rubber | 28.98 | 0.280544 | 0.049407 | NIST SRD 81 API | ASTM C 177 |
| rubber | 901 | 5/29/1953 | 11.28 | 0.4194 | 24.92 | Arctic black rubber (6), 0.4 in. | Slab | 0.6271 | Rubber | 29.14 | 0.229992 | 0.040504 | NIST SRD 81 API | ASTM C 177 |
| rubber | 923 | 12/21/1953 | 21.35 | 1.0462 | 59.5 | 1 in. | Slab | 0.876 | Rubber | 128.54 | 0.164644 | 0.028995 | NIST SRD 81 API | ASTM C 177 |
| rubber | 924 | 12/22/1953 | 11.4 | 0.4147 | 10.02 | Arctic rubber (1), 0.4 in. | Slab | 0.3182 | Rubber | 63.54 | 0.453262 | 0.079824 | NIST SRD 81 API | ASTM C 177 |
| rubber | 925 | 12/23/1953 | 11.41 | 0.4292 | 23.83 | Arctic rubber (3), 0.4 in. | Slab | 0.5118 | Rubber | 63.6 | 0.281805 | 0.049629 | NIST SRD 81 API | ASTM C 177 |
| rubber | 928 | 12/30/1953 | 11.45 | 0.4282 | 23.89 | Arctic rubber (3), 0.4 in. | Slab | 0.4989 | Rubber | 30.07 | 0.289092 | 0.050912 | NIST SRD 81 API | ASTM C 177 |
| rubber | 929 | 1/4/1954 | 11.27 | 0.4069 | 10.21 | Arctic rubber (1), 0.4 in. | Slab | 0.3103 | Rubber | 29.9 | 0.464801 | 0.081856 | NIST SRD 81 API | ASTM C 177 |
| rubber | 930 | 1/5/1954 | 21.7 | 1.047 | 59.5 | 1 in. | Slab | 0.8352 | Rubber | 128.46 | 0.172687 | 0.030412 | NIST SRD 81 API | ASTM C 177 |
| rubber | 931 | 1/6/1954 | 22.93 | 1.0489 | 59.5 | 1 in. | Slab | 0.8768 | Rubber | 129.55 | 0.164493 | 0.028969 | NIST SRD 81 API | ASTM C 177 |
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