Heat-insulating packaging film, packaging bag, and packaging bag having opening member
摘要
<p>Disclosed is a heat-insulating packaging film (10) which comprises a base material (11) and a continuously foamed polyolefin layer (12) formed on one surface of the base material (11). In the heat-insulating packaging film, it is preferred that the continuously foamed layer (12) has an average pore diameter of 150 to 500μm.</p>
