Table 6.
Increase in length per unit length, Δt/t as a function of temperature
| Temperature °C | Calcium aluminate glass F75 | Phosphate glass F1329 | Barium borate glass E1583 | Germanate glass F998 | ||
|---|---|---|---|---|---|---|
| −200 | −10.5×10−4 | −6.2×10−4 | −9. 4×10−4 | −11.4×10−4 | ||
| −190 | −10.1 | −6.1 | −9.1 | −10.9 | ||
| −180 | −9.8 | −5.9 | −8.7 | −10.5 | ||
| −170 | −9.4 | −5.7 | −8.4 | −10.0 | ||
| −160 | −9.0 | −5.5 | −8.0 | −9.5 | ||
| −150 | −8.5 | −5.3 | −7.6 | −9.1 | ||
| −140 | −8.1 | −5.1 | −7.2 | −8.5 | ||
| −130 | −7.6 | −4.8 | −6.7 | −8.0 | ||
| −120 | −7.1 | −4.5 | −6.3 | −7.5 | ||
| −110 | −6.6 | −4.3 | −5.8 | −6.9 | ||
| −100 | −6.1 | −3.9 | −5.4 | −6.4 | ||
| −90 | −5.6 | −3.6 | −4.9 | −5.8 | ||
| −80 | −5.0 | −3.3 | −4.4 | −5.2 | ||
| −70 | −4.4 | −2.9 | −3.9 | −4.6 | ||
| −60 | −3.8 | −2.5 | −3.4 | −4.0 | ||
| −50 | −3.2 | −2.2 | −2.8 | −3.3 | ||
| −40 | −2.6 | −1.8 | −2.3 | −2.7 | ||
| −30 | −2.0 | −1.3 | −1.7 | −2.0 | ||
| −20 | −1.3 | −0.9 | −1.2 | −1.4 | ||
| −10 | −0.7 | −0.5 | −0.6 | −0.7 | ||
| 0 | 0.0 | 0.0 | 0.0 | 0.0 | ||
| 10 | 0.7 | 0.5 | 0.6 | 0.7 | ||
| 20 | 1.4 | 1.0 | 1.2 | 1.4 | ||
| 30 | 2.1 | 1.4 | 1.8 | 2.2 | ||
| 40 | 2.8 | 1.9 | 2.4 | 2.9 | ||
| 50 | 3.6 | 2.5 | 3.1 | 3.6 | ||
| 60 | 4.3 | 3.0 | 3.7 | 4.4 | ||
| 70 | 5.1 | 3.5 | 4.4 | 5.2 | ||
| 80 | 5.9 | 4.1 | 5.0 | 6.0 | ||
| 90 | 6.7 | 4.6 | 5.7 | 6.8 | ||
| 100 | 7.5 | 5.2 | 6.4 | 7.6 | ||
| 110 | 8.3 | 5.7 | 7.1 | 8.4 | ||
| 120 | 9.1 | 6.3 | 7.8 | 9.2 | ||
| 130 | 9.9 | 6.9 | 8.5 | 10.0 | ||
| 140 | 10.8 | 7.5 | 9.2 | 10.9 | ||
| 150 | 11.6 | 8.1 | 9.9 | 11.7 | ||
| 160 | 12.5 | 8.7 | 10.6 | 12.6 | ||
| 170 | 13.3 | 9.3 | 11.4 | 13.4 | ||
| 180 | 14.2×10−4 | 9.9×10−4 | 12.1×10−4 | 14.3×10−4 | ||
| 190 | 15.1 | 10.5 | 12.8 | 15.2 | ||
| 200 | 16.0 | 11.1 | 13.6 | 16.1 | ||
| 210 | 16.9 | 11.7 | 14.3 | 17.0 | ||
| 220 | 17.8 | 12.3 | 15.1 | 17.9 | ||
| 230 | 18.7 | 13.0 | 15.9 | 18.8 | ||
| 240 | 19.6 | 13.6 | 16.6 | 19.7 | ||
| 250 | 20.6 | 14.2 | 17.4 | 20.7 | ||
| 260 | 21.5 | 14.8 | 18.2 | 21.6 | ||
| 270 | 22.4 | 15.5 | 19.0 | 22.5 | ||
| 280 | 23.4 | 16.1 | 19.8 | 23.5 | ||
| 290 | 24.3 | 16.7 | 20.6 | 24.4 | ||
| 300 | 25.3 | 17.3 | 21.3 | 25.4 | ||
| 310 | 26.3 | 18.0 | 22.1 | 26.4 | ||
| 320 | 27.2 | 18.6 | 22.9 | 27.3 | ||
| 330 | 28.2 | 19.2 | 23.7 | 28.3 | ||
| 340 | 29.2 | 19.8 | 24.5 | 29.3 | ||
| 350 | 30.1 | 20.4 | 25.4 | 30.3 | ||
| 360 | 31.1 | 21.0 | 26.2 | 31.3 | ||
| 370 | 32.1 | 21.6 | 27.0 | 32.3 | ||
| 380 | 33.1 | 22.2 | 27.8 | 33.3 | ||
| 390 | 34.1 | 22.8 | 28.6 | 34.3 | ||
| 400 | 35.0 | 23.4 | 29.4 | 35.3 | ||
| 410 | 36.0 | 24.0 | 30.2 | 36.3 | ||
| 420 | 37.0 | 24.6 | 31.0 | 37.4 | ||
| 430 | 38.0 | 25.1 | 31.8 | 38.4 | ||
| 440 | 39.0 | 25.7 | 32.7 | 39.4 | ||
| 450 | 40.0 | 26.3 | 33.5 | 40.4 | ||
| 460 | 41.0 | 26.8 | 34.3 | 41.5 | ||
| 470 | 42.0 | 27.3 | 35.1 | 42.5 | ||
| 480 | 43.0 | 27.9 | 35.9 | 43.6 | ||
| 490 | 43.9 | 28.4 | 36.7 | 44.6 | ||
| 500 | 44.9 | 28.9 | 37.5 | 45.6 | ||
| 510 | 45.9 | 29.4 | 46.7 | |||
| 520 | 46.9 | 29.9 | 47.7 | |||
| 530 | 47.9 | 30.3 | 48.8 | |||
| 540 | 48.9 | 49.8 | ||||
| 550 | 49.8 | 50.9 | ||||
| 560 | 50.8 | 51.9 | ||||
| 570 | 51.8 | 53.0 | ||||
| 580 | 52.7 | 54.1 | ||||
| 590 | 53.7 | 55.1 | ||||
| 600 | 54.7 | 56.2 | ||||
| 610 | 57.2 | |||||
| 620 | 58.3 | |||||
| 630 | 59.3 | |||||
| 640 | 60.4 | |||||