March 1, 1999
Suppliers respond to pP's readers' challenges and questions regarding polypropylene substrates. By Susan Friedman You asked, and polypropylene film material suppliers responded. After conducting a phone survey to collect pP readers' most-encountered challenges with this popular substrate, related questions were forwarded to suppliers for comment. Read on for their suggestions. Available Grades Q: Converters have expressed difficulty finding polypropylene below 60 gauge. Does 60 gauge meet most application needs, or will thinner gauges need to become more accessible in the coming year? A: Though 50 gauge films are available from a number of suppliers, including Mobil, most BOPP manufacturing and converting processes have better