Home > Product > S-LEC Film (PVB Interlayer) > Interlayer Film for Architectural Laminated Glass > Our Products Our Products       General Properties of S-LEC FILM   Item Unit Conditions Results Test method Specific gravity - 23oC 1.07 Weight-in-air/weight-in-water method Refractive index - 23oC 1.52 Abbe's refractometer Thermal conductivity WEm-1 K-1 23oC 0.218 Thermal constants analyzer 50oC 0.217 Specific heat KJ kg-1 K-1 20oC 2.3 Differential scanning calorimeter (DSC) 100oC 2.5 Bulk modulus K-1 20oC 6.60 x 10-4 Thermo mechanical analyzer (TMA) Glass-transition temperature oC - 30 Differential scanning calorimeter (DSC) Permittivity - 23oC/50Hz 4.6 Dielectric loss automatic analyzer 23oC/1MHz 3.6 While data shown are measured value, Sekisui does not guarantee these values as our products quality.

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