Hazmat Sorbents are specifically designed to absorb aggressive fluids such as acids and bases. Use Hazmat Sorbents when the liquid is aggressive or unknown. They are ideal for use in laboratories or other areas where aggressive fluids are present. They can also be placed on fire trucks EMS vehicles and other emergency response equipment. NPS Spilfyter Hazmat Socks surround and contain spills. Shape or mold socks to fit into tight areas where spills may occur.