Description Concept GMH Black, 4LT. Automotive CONCEPT GMH BLACK. This is a fast drying nitrocellulose based matt/flat lacquer specifically designed for automotive underbody detailing. It is also suitable as a guide coat prior to sanding of primers. For more information in relation to the product view the Technical Data Sheet below-https://conceptpaints.com.au/sites/default/files/content/GMH Black_0.pdf
