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Table 9 Thermal shrinkage rate of insulation tube (units: %)

From: R&D on glass fiber reinforced epoxy resin composites for superconducting Tokamak

No. α at 77 K α at 4.2 K
Axial Round Radial Axial Round Radial
1 0.3750 0.2035 0.3698 0.4473 0.2662 0.4205
2 0.2316 0.0985 0.3565 0.3325 0.1073 0.3951
3 0.2643 0.2831 0.5472 0.3902 0.3955 0.6502
4 0.3464 0.1643 0.3801 0.4124 0.2322 0.4132
5 0.3203 0.1093 0.3569 0.3372 0.1650 0.3895