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Insulation R Values: glass
1086 to 1184
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 | trade name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| glass | 1086 | 12/3/1957 | 1.45 | 0.2485 | 138.5 | Corning ordinary chemical glass, ¼ in. | Block | 5.3677 | Corning Glass Works | Glass | 117.26 | 0.02687 | 0.004732 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1087 | 12/4/1957 | 1.53 | 0.2485 | 138.5 | Corning ordinary chemical glass, ¼ in. | Block | 5.091 | Corning Glass Works | Glass | 60.76 | 0.02833 | 0.004989 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1088 | 12/6/1957 | 1.57 | 0.2485 | 138.5 | Corning ordinary chemical glass, ¼ in. | Block | 4.9386 | Corning Glass Works | Glass | 29.94 | 0.029204 | 0.005143 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1170 | 9/24/1959 | 12.22 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.7119 | Corning Glass Works | Glass | 120.9 | 0.018702 | 0.003294 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1171 | 9/25/1959 | 12.28 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.4259 | Corning Glass Works | Glass | 63.01 | 0.019422 | 0.00342 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1173 | 10/5/1959 | 10.83 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.6812 | Corning Glass Works | Glass | 61.49 | 0.018777 | 0.003307 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1176 | 10/8/1959 | 10.94 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.4238 | Corning Glass Works | Glass | 61.68 | 0.019428 | 0.003421 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1182 | 11/9/1959 | 12.16 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.7899 | Corning Glass Works | Glass | 120.85 | 0.018515 | 0.003261 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1183 | 11/10/1959 | 12.21 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.5076 | Corning Glass Works | Glass | 63.02 | 0.019211 | 0.003383 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
| glass | 1184 | 11/12/1959 | 12.34 | 0.9659 | 138.66 | Corning ordinary chemical glass, 1 in. | Block | 7.5159 | Corning Glass Works | Glass | 31.75 | 0.01919 | 0.00338 | NIST SRD 81 API | ASTM C 177 | Pyrex® 7740 |
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