Crc 1004791 Rtv Silicone Elastic Sealant 8 Oz Blue

Product Description

The CRC 1004791 is a blue RTV silicone elastic sealant packaged in an 8 oz tube. It forms a flexible, durable seal across a wide operating temperature range of -60 degrees F to 450 degrees F, making it suitable for both cold-weather and high-heat applications. The sealant achieves full cure in 24 hours and is rated food safe per 21 CFR 177.2600. It is commonly applied by HVAC technicians, electricians, plumbers, and automotive service professionals who need a reliable silicone-based seal on a variety of substrates and joint types.

This sealant is used in residential and commercial settings across multiple trades. Typical applications include automotive gaskets, electrical enclosure sealing, HVAC vent and flue joint sealing, and wall joint caulking. The blue color aids in identifying applied sealant during inspection. Its food-safe certification makes it appropriate for use in environments where incidental contact with food processing equipment is a concern. The tube format allows for controlled, precise application in tight or confined areas.

Key Features

• RTV silicone formula remains flexible across a -60 degrees F to 450 degrees F operating range
• Full cure achieved in 24 hours
• Food safe per 21 CFR 177.2600
• Blue color for easy post-application identification
• 8 oz tube allows controlled, precise dispensing
• Meets ASTM C-920, MIL-A-46106B, TT-S-001543A Class A, and TT-S-00230C Class A standards

Compatibility

Designed for use in automotive, electrical, gasket, vent, and wall joint applications where a flexible RTV silicone sealant is required.

Installation Notes

Application should be performed by a qualified tradesperson following applicable codes for the installation type. Clean and dry all surfaces before applying sealant to ensure proper adhesion. Allow the full 24-hour cure time before exposing the joint to fluids, pressure, or extreme temperatures. In HVAC or gas appliance applications, verify that silicone sealants are permitted by the equipment manufacturer and local authority having jurisdiction before use.