Gilsonite, also known as natural asphalt, is a unique hydrocarbon resin extracted from the mountains of Iran. In 2025, it plays a vital role in key industries such as oil & gas drilling, asphalt paving, ink manufacturing, and waterproofing. Thanks to its binding power and thermal stability, natural bitumenis a game-changer in improving product performance and cost-efficiency. For p... https://hanet.ir/seo-course