Permatex Ultra Grey Gasket Maker

Overview

Permatex Ultra Grey Gasket Maker is a single-component, room-temperature-vulcanizing gasketing compound designed to provide reliable formed-in-place gaskets for mechanical assemblies. It cures on exposure to moisture in the air to form a tough, flexible silicone rubber gasket, resisting aging, weathering and thermal cycling without hardening, shrinking or cracking. Designed to perform under higher load conditions with closely spaced bolt patterns (typically non-US engine designs), it maintains outstanding oil and water-glycol resistance. OEM specified.

Specifications

Color

Grey

Strength

High

Base Type

Oxime-cure silicone rubber (RTV)

Cure Type

Moisture-curing (RTV)

Service Temperature

Continuous -54°C to 232°C (-65°F to 450°F); intermittent -54°C to 260°C (-65°F to 500°F)

Fixture Time

Tack-free in 1 hour

Full Cure Time

Fully cures in 24 hours

Certifications

OEM Specified (Acura, Chrysler, Honda, Hyundai, Nissan, Toyota interchange numbers)

Technical Information

• Shore A hardness >45
• Elongation >120%
• Tensile strength >2.6 N/mm² (>377 psi)

Typical Applications

• Valve covers and transmission pans
• Oil pans and timing gear covers
• Differential covers on high-load engine assemblies

Industries

Technical Documents