High quality 200x100x50mm solid clear colorful glass crystal block brick

Glass brick belongs to a kind of vitrified brick. Its materials have reached the level of nanotechnology. The firing temperature requirement of crystalline brick should compare general bo to change brick even taller. The surface is smooth and transparent like crystal, the texture is hard and wear-resisting like crystal, so the name crystal brick. The main ingredient is K9 crystal.it is widely used in the field of architecture.