According to foreign media reports, teijin company said recently that its joint venture with dupont teijin dupont film joint venture successfully developed flame retardant polyethylene naphthalate formic acid oxalic ester (PEN) film TEONEX QF. TEONEX QF thin film applications including lithium ion battery, flexible printed circuit board base material, flat cable, as well as lighting and building materials.

Teijin company said that the project business is expected to the year to March 2017, annual sales revenue of up to 2 billion yen ($19 million). TEONEX QF film using the teijin company proprietary flame retardant packing, has good strength and heat resistance. New research and development of membrane materials is not used halogenated flame retardants, thereby eliminating the influence on environment and human health.