Toray Industries has introduced the TORAYFAN 160°C-resistant biaxially oriented polypropylene (OPP) release film, a material breakthrough targeting the chronic thermal limits of conventional release consumables in high-performance composite manufacturing. Engineered for high-temperature CFRP prepreg consolidation and complex molding processes, this uncoated OPP film delivers industry-leading thermal dimensional stability and clean release at cure temperatures up to 160°C.
By positioning a high-heat polypropylene alternative within the composites supply chain, Toray is directly addressing tooling efficiency and defect risk in advanced CFRP production, aligning with escalating performance and sustainability demands in mobility and electronics sectors.
A key intended use is as a high-heat-resistant release film in IC substrate, CFRP prepreg, and other molding processes, where fluorinated films are widely used today.
The new TORAYFAN stemmed from reinforcing Toray's high-heat-resistance technology for OPP film and integrating it with a new high-heat-resistance surface technology employing a high-heat-resistance polyolefin resin. This reduced heat distortion to about one-tenth that of standard OPP film at 160°C. It also lowered wettability, delivering excellent release properties.
On top of the thermal dimensional stability and release properties, this new film is uncoated and absorbs little moisture, making it suitable for demanding applications including battery component processing in dry rooms or vacuum equipment used for vapor deposition.
Source: Toray
