2022.10.07

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What type of material is “fire-resistant plastic” ?

You probably think of plastics as being vulnerable to fire. However, fire-resistant plastic, a new resin product that Mitsubishi Materials has begun developing, doesn’t burn when exposed to flames and is harder to melt than conventional plastics.

an expert on materials

Dr. Materials

A doctor who loves materials devoted to research at a Mitsubishi Materials lab.

How is it different from conventional plastics?

The secret is material compounding technology!
Usually, a fire-retardant is added to prevent plastics from burning. However, regardless of how much is added, plastics are unable to withstand high-power flames. So, Mitsubishi Materials applied the material compounding technology it has cultivated to date to develop a plastic technology for obtaining fire- resistant properties that are strengthened when exposed to flames, making it harder to melt. Using this technology, we created fire-resistant plastics!
【Area s of applications】
Lithium-ion batteries
Fire-resistant plastics are expected to play an active role as a material for lithium-ion battery cases used for cell phones, PCs, and other devices. If the batteries ignite, it is hoped that the plastic casing will minimize the spread of the fire. When used for the lid of the LIB of an electric vehicle (EV), the LIB can be expected to be prevented from igniting or exploding even if the vehicle is on fire.

Because it is light and easy to mold, it is drawing attention as a material to replace metals!