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This rigid plastic turns to clay in hot water, is three times stronger than rubber

Ever tried to melt something plastic at home? It takes a fair amount of work. Not this new plastic product, though — it’ll go goopy just from taking a brief bath in hot water. A Japanese plastics company called Polysis is marketing a new product they call Haplafreely. It’s available as rigid sheets or as thin film on a roll, and it’s noteworthy for its ability to become malleable with a minimal amount of heat applied.At 140 degrees Fahrenheit (60 degrees Celsius), Haplafreely becomes as squishy and moldable as clay. It doesn’t start firming up until its temperature drops to around 104 degrees Fahrenheit (40 degrees Celsius). At room temperature, it regains its original hardness. It’s very strong, too: Haplafreely has a tensile strength about three times that of ordinary rubber, according to Polysis.What’s a material like this good for? Cover pieces, for one thing. If you’ve got a component that you need to quickly mold a cover for, you can lay a piece of Haplfreely on it, heat it, and mold it smoothly over the surface in no time flat — and without damaging the part since temperatures are kept fairly low.

While 140 degrees Fahrenheit isn’t that hot, it’s still pretty hot. Hot tap water in your house shouldn’t be any hotter than 131 degrees F. Above that, you’re starting to get into scalding territory. At that 140 degrees, you’ll burn your skin in about three seconds and third-degree burns can occur just a few seconds later.

It’s low enough, though, that Haplafreely could make a big difference on production lines. If parts can be molded at a lower temperature, that means reduced energy use and shorter production times, which ultimately turns into either savings for you and me or higher profit margins for the producer. Or maybe even both.

Source: Science – Geek.com

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