Hernon Manufacturing Releases Case Study Results for Gasket Replacer 916

Top Quote Laboratory tests determine the proper application methods for Gasket Replacer 916 for a customer. End Quote
  • (1888PressRelease) June 13, 2014 - A customer experienced application issues using Hernon Gasket Replacer 916 and Hernon's Environmentally Friendly (EF) 50 Primer in their internal combustion engine. When properly applied and used together the primer and the gasket replacer will create a seal on a seal.

    The Products
    Hernon's Gasket Replacer 916 is a single component room temperature cure gel-like anaerobic gasketing compound formulated to provide instant sealing capabilities. Once cured between mating metal flanges filling voids in the surface, Gasket Replacer 916 provides a thin, flexible, solvent and temperature resistant seal. Gasket Replacer 916 can replace or be used as a dressing for conventional gaskets. EF Primer 50 is a single component, non-CFC solvent based product designed to promote the cure speed of Hernon anaerobic adhesives and sealants.

    Laboratory Testing
    Hernon Manufacturing's quality and development department asked for the customer to furnish parts to see if Hernon's engineers could help them ensure proper gasket formation. A few scenarios were tried and tested to their specifications, here were the results:

    Scenario 1
    1. Apply thin coat of EF 50 Primer to a back plate, which is equivalent to the customers' rotor case.
    2. Wait 30 seconds for Primer to flash off.
    3. Using the template supplied by the customer, apply Gasket Replacer 916 in a continuous bead around the bearing housing.
    4. Next, the bearing housing was flipped over and placed on to the back plate. Using the 4 screws supplied by the customer, they were torqued to 35 N.m (310 in-lbs).
    5. Wait 30 minutes.
    6. After the first 30 minutes, the Hernon top plate (the customers' nose assembly) was sprayed with EF 50 primer.
    7. Hernon Gasket Replacer 916 was applied to the top of the bearing housing. The EF 50 Primer had sufficient time to flash off as the 916 was applied to the top with the template.
    8. The top plate was placed on top of the bearing housing and the other 6 screws supplied by the customer were torqued to 35 N.m.
    9. Wait 20 minutes, then pressure tested the assembly to 15 psi for 2 minutes. No leaks were present.
    8. The pressure was raised to 20 psi for 1 minute. Again, no leaks were present.

    Scenario 2
    1. Using the template supplied by the customer, apply Hernon Gasket Replacer 916 in a continuous bead around the bearing housing. No primer applied.
    2. Flip the housing over and torque with the 4 screws to 35 N.m.
    3. After approximately 25 minutes, applied Gasket Replacer 916 to top of the bearing housing using the template and then attached the top plate with the 6 screws torqued at 35 N.m. No primer applied.
    4. Wait 20 minutes.
    5. Pressure tested as in step 1 above at 15 and 20 psi - No leak present.
    For more information about Hernon Gasket Replacer 916 and EF 50 Primer or our other formulas, application use, or dispensing equipment, call (407) 322-4000 or visit http://www.hernon.com.

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