Grinding Paste - Mehr - GLU13

This Mehr Grinding Paste, model GLU13, is a double-ended tin containing both coarse and fine paste...

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eBay2 x Grinding Paste Chemico Double Ended Tin Course & Fine 110G GLU13
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B&QB&Q - Grinding Paste Chemico Double Ended Tin Glu13 Pack Of 4
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Product Information

Full details

This Mehr Grinding Paste (GLU13) is designed for engine maintenance professionals and serious DIYers. Its key benefit is providing both coarse and fine abrasive pastes for precise engine component finishing, though users must ensure proper application to avoid over-abrasion. The pack includes four double-ended tins, each containing 100-110g of silicone carbide paste with a lithium-based grease carrier, offering excellent shear stability and corrosion protection.

All features

Model Part NumberGLU13
BrandMehr

Extended Product Information

FAQs

What is Mehr Grinding Paste used for?

It is used for lapping and grinding engine components, such as valves and seats, to ensure a precise fit and seal. It helps in both material removal and surface finishing.

How much paste is in each tin?

Each double-ended tin contains between 100g and 110g of grinding paste.

Can I use this paste for general metal polishing?

While it can polish metal, it is specifically formulated for the more demanding task of engine component grinding. For general polishing, a finer, dedicated polish might be more appropriate.

What is the difference between the coarse and fine paste?

The coarse paste removes material more quickly for initial shaping, while the fine paste is used for achieving a smoother finish and a more precise seal.

How should I store the grinding paste?

Store the tins in a cool, dry place, tightly sealed, away from direct sunlight to maintain their consistency and prevent drying out.

Is this product suitable for sensitive materials?

It is designed for engine metals. Caution should be exercised with softer metals or specific alloys. Always test on a small area first if unsure.

What does 'shear stability' mean in this context?

Shear stability means the grease that carries the abrasive grit will resist breaking down or thinning out significantly when subjected to mechanical stress or pressure during the grinding process.

Troubleshooting

Paste seems too dry or too fluid.

Environmental factors like temperature can affect consistency. If too dry, a tiny amount of appropriate lubricant might help; if too fluid, allow it to rest in a cooler environment. Ensure the tin is properly sealed when not in use.

Uneven grinding marks.

Ensure even pressure is applied during the grinding process. Clean components thoroughly between coarse and fine paste applications to prevent contamination. Verify that the paste is being applied to both surfaces being mated.

Residue difficult to remove.

Use a strong degreaser and thorough wiping or flushing with a suitable solvent. Ensure all traces of the lithium-based grease are eliminated before final assembly, especially around seals.

Pros and Cons

Pros

  • Provides both coarse and fine grits for versatile engine maintenance.
  • Offers good shear stability and corrosion protection.
  • Convenient packaging with double-ended tins.
  • Suitable for professionals and experienced DIY enthusiasts.
  • Includes a practical pack of four tins.

Cons

  • Requires careful application to avoid damaging delicate engine components.
  • Paste consistency may vary slightly between batches.
  • Not suitable for very light-duty or non-mechanical applications.
  • Specific grit sizes are not detailed on the packaging.
  • Lithium-based grease may not be compatible with all sealing materials.

Setup, Compatibility & Care

Setup: No specific setup is required. The grinding paste is ready for immediate use. Ensure the components to be treated are clean and dry before application.

Compatibility: This paste is primarily designed for metal-to-metal engine component lapping and grinding. It is compatible with most common engine metals. However, test on a small, inconspicuous area if unsure about compatibility with specific alloys or gasket materials, especially considering the lithium-based grease.

Care: Store the tins in a cool, dry place away from direct sunlight. After use, ensure the tin is closed tightly to prevent the paste from drying out. Clean tools and work surfaces immediately after use to prevent residue transfer. Use appropriate solvents or degreasers for thorough cleaning of components after the grinding process.

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