Permatex Anaerobic Gasket Maker
OEM specified. Noncorrosive gasketing material designed primarily for use on aluminum, iron, and steel flanged mating surfaces. Ideal for on-the-spot and emergency repairs, or when a conventional gasket is unavailable. Fills gaps up to .015″ and cures to a solvent-resistant seal that will not tear or decay during service. Parts disassemble easily even after extended service. Old gasket material can be removed in minutes with a simple putty knife.
Suggested Applications: For use on machined aluminum metal components; transmission pans, transmission case covers, transaxle casings, transfer cases, split crankcases, pumps, and housings.
Suggested Applications: Suggested For use on machined aluminum metal components; transmission pans, transmission case covers, transaxle casings, axle covers, gear cases, split crankcases, pumps, housings, and with oring replacement.
Suggested Applications: Case covers, power divider shaft housings, input/output power shafts, PTO covers to housing, cover housing gasket, differential, assembly to rear axle housing, power dividers, axle shaft flanges
Suggested Applications: Crank case flanges drive unit joints, and with o-ring replacement
PRODUCT DESCRIPTION S.I.N.: 834-300
Permatex! Anaerobic Gasket Maker is a single component,
medium strength, thixotropic, anaerobic sealant that cures
rapidly. The product cures when confined in the absence of
air between close fitting aluminum surfaces. It provides a
tough, resilient, solvent and temperature resistant seal that
flexes with flange movement caused by vibration,
pressurization or thermal changes. NSF White Book
• No mixing
• No curing outside of joint
• Non-corrosive to aluminum or cast iron parts
Used for sealing flexible metal machined assemblies.
Typically used as a form-in-place gasket on rigid flanged
connections, e.g. Gearbox and engine castings.
DIRECTIONS FOR USE
1. Surfaces to be sealed should be free of grease, oil and
dirt. Use Permatex! Brake and Parts Cleaner to remove
oil. Use Permatex! Gasket Remover to remove old
2. Apply manually to one side of flange, making sure a
continuous bead is applied.
3. Assemble parts.
4. Torque to normal specifications.
5. Parts may be returned to service in one hour.
1. Wipe off excess material with a clean cloth.
2. Clean hands with Permatex! Fast Orange® hand cleaner
or soap and water.
1. For smaller assembled parts, heat part to 400°F to
2. Use cautious, light prying or tapping motion to loosen the
parts. Repeat heating/prying sequence as needed.
3. For larger assembled parts use prying/cleaving tools in
combination with a light hammer and cautiously tap and
pry the sides of the part to break the gasketed surfaces
4. Once parts are disassembled, allow all surfaces to cool
to room temperature.
5. Use Permatex! Gasket Remover to remove dried
TYPICAL CURING PERFORMANCE
Cure Speed vs. Substrate
The rate of cure will depend on the substrate used. The graph
below shows the shear strength developed with time on grit
blasted steel lap shears compared to different materials and
tested according to ASTM D 1002.
Cure Speed vs. Activator
Where cure speed is unacceptably long, or large gaps are
present, applying activator to the surface will improve cure
speed. The graph below shows the shear strength developed
with time using Surface Prep Activator on grit blasted steel lap
shears and tested according to ASTM D 1002.
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