BMP71 WorkHorse Static Dissipative Glossy B-473 Label. This B-473 material is a low profile polyimide and polyester material that has static dissipative properties. Primarily used for printed circuit boards and electronic component labeling. The B-473 material is a white glossy polyester with a permanent static dissipative adhesive and linerRoHS compliant to Pass 2011/65/EU. Has surface resistivity values in the recommended range for dissipative ESD packaging materials.