Board Thread:Warhammer 40k General Discussion/@comment-25618639-20150625135617/@comment-26436507-20150625143807

Like several of the human skeleton ' s bones, some plates will likely be designed with 'preferred breakage' to prevent damage elsewhere. Modern cars are also designed like this.

Don't know about ceramtie but as it's name suggests, that lightness will likely come with some degree of brittle nature.