C & B Metabond Powder Clr 5gmMulti purpose system for various materials Ideal for emergency procedures Formulated for longer working time and shorter set period Creates durable and reliable bonds C&B Metabond Cement System affords longer working time and a shorter set period of bonding process to optimize efficiency. The high versatility creates durable and reliable bonds between several types of materials, including loose crowns, short posts, broken teeth, and porcelain pop offs.