Premium 5mm closed-cell silicone rubber roll with superior fire resistance for industrial-grade sealing applications. High-temperature resistant material withstands extreme conditions up to 300°C while maintaining flexibility. Precision-engineered smooth surface ensures airtight seals in HVAC systems, automotive gaskets, and electrical insulation. Environmentally stable formulation resists UV, ozone, and harsh chemicals without degradation. Food-grade compliant version available for commercial kitchen equipment sealing. Customizable cutting options for exact fit in manufacturing plants and construction projects. Bulk discount applies for contractor quantities exceeding 100 linear meters. Ships flat-packed to prevent creasing with protective film coating.