Polyester film for use in a laminate with a metal plate

摘要: Disclosed is a polyester film for use of laminate with metal plate comprising polyester=group resin containing white pigment having mean particle diameter 0.01 to 1.8 μm at content 10 30% by weight. The has (a) void ratio 4 30%, (b) melting peak temperature 150° 245° C., (c) an amount oligomer not more than 3% weight and (d) orientation degree 0.7 4.0. When the laminated on metal, it can indicate excellent light interruptive property, lamination forming property processing property.