Lotte Chemical Develops Recycled Flame-Retardant PP Material for Building Interior Materials

Flame-retardant PP (polypropylene) sheet product for interior finishing materials of buildings by Lotte Chemical. Photo by Lotte Chemical

Lotte Chemical's PP products received the highest flame retardant performance rating, "Class A," in the 'ASTM E84' certification test for indoor building finishing materials in North America and the Middle East.

The PP (polypropylene) products that received the Class A rating this time are newly developed halogen-free flame retardant materials, which are non-toxic compared to conventional flame retardant plastics and recyclable, offering eco-friendly advantages.

Lotte Chemical's halogen-free flame retardant PP products are scheduled for their first use as indoor finishing materials in buildings in the Middle East next year, and are expected to expand to other applications requiring flame retardant properties, such as automobiles and home appliances.

'ASTM E84' is a test for combustion characteristics of building materials, evaluated for use as indoor finishing materials in buildings in regions such as the United States, the Middle East, and Southeast Asia. It measures flame spread index and smoke developed index, classifying results into three grades: CLASS A, B, and C.

The test results for Lotte Chemical's flame retardant PP products showed a flame spread index of 10 and a smoke developed index of 60, corresponding to a stable Class A rating. This result means that, compared to general plastic products, the flames are suppressed from spreading during a fire, and harmful gases are generated minimally.

Lotte Chemical stated, "With this developed product as a milestone, we plan to actively enter the indoor finishing materials market for buildings in North America and the Middle East."

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