Mega-Lacquer is a GAO substance is based off of mortal lacquer. Normal lacquer can withstand powerful acids, age and extreme heat. Mega-Lacquer is magically inhanced to withstand those things even better along with magic and energy-based weapons.
It is often used to cover armor, tanks etc.. to make them more resistant to acid, fire, age etc...
It can come in any colour you wish and may be inchanted to shift colour's to match the enviroment.