Permatex Valve Grinding Polish Lapping Paste - Fine Grade - 100g
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Product Information
Full details
This Permatex Valve Grinding Polish Lapping Paste is designed for mechanics and DIY enthusiasts performing engine rebuilds or valve seat maintenance. Its key benefit is providing a fine, 180-grit (70 micron) abrasive action for precise grinding and polishing of valve seats, while also containing corrosion inhibitors. A potential caveat is that it's intended for specific applications and requires proper handling to avoid over-abrasion.
All features
| Brand | Permatex |
|---|
Extended Product Information
FAQs
What grit is the Permatex Valve Grinding Polish Lapping Paste?
The paste uses a fine grade of silicon carbide, equivalent to 180 grit or approximately 70 microns.
Do I need to dilute this paste before use?
No, the product is designed to be applied without dilution. It is ready to use straight from the container.
What is the purpose of the corrosion inhibitors?
The corrosion inhibitors help prevent oxidation and rust on the valve and seat surfaces after the grinding and polishing process.
How should I apply the paste?
Apply the paste to a clean cloth and then use the cloth to burnish the two pieces (valve and seat) that need to be ground together.
Can this paste be used for general polishing?
No, this paste is specifically formulated for valve grinding and lapping applications and is not intended for general polishing tasks.
What size is the container?
The container holds 100g of the lapping paste.
How should I store the unused paste?
Store the paste in its original, tightly sealed container in a cool, dry location.
Troubleshooting
Uneven grinding marks on valve seat
Ensure consistent pressure and motion during the burnishing process. Check for any debris trapped between the valve and seat.
Paste seems too dry or too wet
The product is formulated for direct use. If clumping occurs, ensure the container was sealed properly. Avoid adding any liquids as this can alter its abrasive properties.
Corrosion appearing after use
Ensure thorough cleaning of all paste residue after lapping. The corrosion inhibitors provide protection but are not a substitute for proper post-service cleaning and protection protocols.
Poor sealing achieved
Re-evaluate the lapping process. Ensure sufficient passes were made and that the valve and seat surfaces were properly prepared prior to application.
Pros and Cons
Pros
- Achieves precise valve seat grinding and polishing.
- Helps prevent post-service corrosion with built-in inhibitors.
- Easy to apply directly without mixing.
- Suitable for professional and advanced DIY use.
- Fine grit minimizes risk of excessive material removal.
Cons
- Requires careful application to avoid over-lapping.
- Specific to valve grinding and polishing applications.
- Not suitable for general cleaning or polishing tasks.
- Performance depends on user technique and material compatibility.
Setup, Compatibility & Care
Setup: This product requires no prior setup. It is ready for immediate use. Ensure the surfaces to be treated are clean and free of grease or debris.
Compatibility: Primarily designed for use on valve seats and valves in internal combustion engines. It is compatible with most common engine metals. Always test on an inconspicuous area if unsure about material compatibility.
Care: Store the paste in its original container with the lid tightly sealed in a cool, dry place away from direct sunlight and extreme temperatures. After use, clean tools and surrounding areas thoroughly. It is recommended to wear appropriate personal protective equipment (gloves, eye protection) during application. Dispose of used paste and cleaning materials according to local regulations.