Patent ID: 6432525
Filing Date: 2002-08-13
Classification: B29C,B29K,Y10T

Abstract:
A blow-molded foam of the type which consists of a hollow molded foam obtained by blow-molding a parison in a desired form, characterized in that it comprises a foamed layer made of a base resin which is mainly composed of a polypropylene resin, wherein the resin forming said foamed layer has, at 230Â° C., a melt tension (MT) of 5 gf or over and a melt flow rate (MFR) of 1 g/10 minutes or over, and the foamed layer has an average cell diameter from about 0.05 to about 2.2 mm, an average thickness of about 0.5 mm or over, and an average density of about 0.30 g/cm3 or below.