Optimum 27038 High-temp Gasket Maker, 3.35 Oz, Paste

Permatex Optimum 27038 is a premium high-temperature RTV gasket maker designed to replace pre-cut gaskets in demanding automotive and industrial applications. This red paste sealant withstands extreme heat up to 750°F, making it ideal for exhaust manifolds, headers, turbochargers, and slip-fit exhaust components. The chemical formula creates a durable, flexible seal that resists high-thermal cycling while remaining sensor-safe and non-corrosive.

Whether you're performing an engine rebuild, turbocharger repair, or exhaust system maintenance, this gasket maker eliminates the need for pre-cut gasket sheets and reduces assembly downtime. The cartridge format with precision tip allows controlled, professional application to metal, aluminum, steel, and composite surfaces without surface preparation.

Features and Benefits

• Maximum Temperature Rating: Provides high-temperature resistance up to 750°F (399°C), designed for the most demanding engine applications.
• Fast Curing: Achieves initial set in minutes, allowing rapid reassembly and reducing workshop downtime.
• Fluid Resistance: Engineered to withstand exposure to engine oil, coolant, fuel, and other automotive fluids without degradation.
• Sensor-Safe Formula: Non-corrosive RTV composition safe for use near oxygen sensors and engine electronics.
• Versatile Application: Bonds to multiple materials including metal, aluminum, steel, and composites with minimal surface preparation.
• Convenient Cartridge Design: 3.35 oz size with included precision tip for controlled dispensing.

Specifications

• Brand: Permatex
• Model: 27038
• Size: 3.35 oz
• Form: Paste
• Color: Red
• Temperature Rating: Up to 750°F (399°C)
• Type: High-Temperature RTV Gasket Sealant
• Features: Sensor-safe, non-corrosive, resistant to high-thermal cycling