Japanese synthetic-rubber maker JSR has invested $5 million in Carbon 3D of the U.S.

With the hope of amping up its own 3-D printing business.

Carbon’s printers craft solid objects from a pool of liquid resin by applying ultraviolet light and oxygen. This process is billed as up to 100 times as fast as conventional 3-D printing, which layers plastic to create objects.

JSR introduced in 2015 a line of plastic filaments for 3-D printers based on polymerization technology honed in synthetic rubber. The company looks to turn the technology into a new business in its own right, having co-developed a 3-D-printed artificial leg slated for commercialization in 2017, for example. The investment in Carbon is aimed at acquiring its rapid-printing technology.

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