4mm (5/32") Black Silicone High Temperature Round Blanking Cap Block Off Seal Rubber Hose Plug Bung

This Unreinforced Silicone Blanking End Cap is a highly effective sealing solution designed for use in a wide range of high-temperature applications. Constructed from premium VMQ silicone rubber, both the inner and outer layers offer excellent durability and flexibility. Ideal for automotive, industrial, and home projects, it is particularly well-suited for sealing and blocking off hoses, pipes, and fittings in coolant systems, radiators, and water-related systems. The cap is designed to withstand temperatures ranging from -60°C to +180°C, ensuring reliable performance in extreme conditions. With a design that conforms to SAEJ20 standards, this blanking cap offers superior protection against leaks, contamination, and damage, all while maintaining its flexibility for easy installation and removal. The unreinforced structure allows for better maneuverability, making it an ideal solution for applications requiring a temporary or removable seal. Whether you're working on a coolant system or need to block off unused pipes, this cap is the perfect fit. Please note, while this silicone blanking cap is designed for high-temperature use, it is not rated for pressure applications. It provides an excellent block-off solution but should not be used in pressurized systems. Available in multiple sizes to suit various needs, it offers a dependable seal in a variety of challenging environments.