Fig. 5

Results of strain tests on glass I samples with a different amounts of menthol melts, applied on areas of 18 mm × 18 mm; thicknesses are around 1 mm, 3 mm, 5 mm, 10 mm respectively; b 2 mL menthol melts of 60 or 80℃, applied on areas of 18 mm × 18 mm; thicknesses are around 10 mm