This item has a minimum order quantity of 1389 per supplier requirements. Mylar Polyester Films, Viscosity: 0.56, Density: 1.390g/cm2, MP: 254 deg. C, Specific Heat: 0.28cal/g/ deg. C, Thermal Expansion: 1.7 x 10-4 in. /deg. C, Thermal Conductivity: 3.7 x 10-4cm2/sec/ deg. C, ASTM D 595, Gauge: 92A