Patent ID: 6852387

Claim:
One-sided mat, sealable, biaxially oriented and coextruded polyester film with at least a base layer B containing at least 80% by weight of a thermoplastic polyester, a sealable cover layer (A) and a mat cover layer (C), wherein a) the sealable cover layer (A) has a minimum sealing temperature of less than 120° C., a seal seam strength of at least 1.0 N/15 mm film width, a maximum R a -value of 100 nm and a surface gas-flow within the range from 20 to 4000 s; b) the mat cover layer (C) has a maximum gloss of 100, a minimum R a -value of 150 nm and a surface gas-flow value within the range from 0 to 80 s and c) the haze is below 50%.