It is difficult to provide a definitive answer without more specific information about Lindabrunners product line. However, in general, conglomerates are known for their durability and versatility, making them suitable for various applications, including exterior use.

If Lindabrunner Grob Conglomerate is designed specifically for exterior applications, it may have properties such as weather resistance, UV protection, and high durability, which could make it suitable for use in dusty climates.

To get a more accurate answer, it is recommended to reach out to Lindabrunner directly or consult their product specifications to understand if their conglomerate is suitable for use in very dusty climates.