LOCTITE® SI 7657 Hi-Temp Adhesive Sealant
Features and Benefits
Phenolic gold sealant aerosol that offers improved heat transfer to prevent gasket burnout in cylinder heads, exhaust manifolds, and carburetors.
LOCTITE® SI 7657 is a gold mist colored, phenolic copper-based sealant aerosol that helps dissipate heat and prevent gasket burnout. Also for use as an adhesive, applications include gaskets for cylinder heads, exhaust manifolds, and carburetors. The copper content improves heat transfer and eliminates hot spots. It remains tacky indefinitely and can fill surface imperfections.
- Contains copper to dissipate heat and prevent gasket burnout
- Air dry cure
- Resists shop fluids, including gasoline
- Can also be used as an adhesive and to fill surface imperfections
Documents and Downloads
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Technical Information
| Application method | Spray |
| Color | Gold |
| Specific gravity, @ 25.0 °C | 0.8 |
LOCTITE® SI 7657
Phenolic gold sealant aerosol that offers improved heat transfer to prevent gasket burnout in cylinder heads, exhaust manifolds, and carburetors.