Q: What is the physical appearance of Elevast™ PM? A: Elevast PM is a colorless, odorless fluid with exceptional high purity and low volatility. Q: How are Elevast™ PM incorporated into polymers? A: Any standard single or twin-screw extruder can be used to incorporate Elevast PM into a polymer. It is recommended that Elevast PM be injected into a barrel section within the melt zone. Homogeneous incorporation also can be achieved by direct feeding of Elevast PM into the feed throat along with polymer. A mixing element is recommended for single-screw extrusion. Q: What is the typical loading level of Elevast PM? A: The loading level will depend on the polymer system and application requirements. Many polyolefin formulations could achieve the target property at a loading level of less than 5 wt%. Q: What are the criteria for selecting an optimum Elevast PM grade? A: Criteria include polymer type, performance targets, service temperature and product life requirements. In general, lower viscosity Elevast PM grades are preferred for cold temperature and high toughness requirements, and higher viscosity Elevast PM grades are preferred for high temperature, long-term permanency requirements. Q: Are Elevast PM compatible with other additives commonly used? A: There is no known interference of Elevast PM with traditional polyolefin additive systems, including stabilizers, nucleating agents, inorganic fillers, viscosity-breaking or cross-linking agents, flame retardants, colorants and release agents. Q: Can Elevast PM be used for food contact applications? A: Elevast PM have received food contact clearance for polypropylene and pressure-sensitive adhesives and are positively listed in the 5th amendment to the Plastics Directive (EU 2002/72/EC). Contact a sales or technical representative (1-800-892-4449) for further information. Q: How can I obtain more information and a sample? A: Call 1-800-892-4449 |