Concealment Characteristic satisfactory heat seal Characteristic polyolefine type foaming film

摘要

PROBLEM TO BE SOLVED: To provide a heat sealable polyolefinic foamed film good in heat sealability and concealability, in more detail, the heat sealable polyolefinic foamed film excellent in seal strength, concealability, stiffness feeling, lightweight properties and film forming properties.;SOLUTION: The heat sealable polyolefinic foamed film contains at least two layers, that is, a heat sealing layer and a foamed layer and is characterized in that the total light transmissivity thereof according to JIS K 7105 is 15% or below in a case of a thickness of 30 μm or below.;COPYRIGHT: (C)2007,JPO&INPIT