Description
Tectyl 823EM is a high-performance preservative engine oil, lubricant, and corrosion inhibitor manufactured by Daubert Chemical Company. This specialized product is officially approved under General Motors’ Electromotive Division (EMD) Approval Number 130-OI-26, ensuring it meets the highest standards for performance, reliability, and safety in EMD engines. Designed specifically for internal combustion engines, Tectyl 823EM forms an oily, translucent protective film that provides exceptional protection against corrosion and wear for metallic engine parts and assemblies during long-term covered shipment or indoor storage, while also functioning as a superior lubricant for moving metal components.
Properties
- Dry Film Color: Translucent
- Film Type: Oily
- Flash Point: 480°F minimum (PMCC)
- Density: 7.5 ± 0.1 lbs/gallon @ 77°F (25°C)
- Specific Gravity: 0.907 @ 60°F (15.6°C)
- Recommended Dry Film Thickness: 0.3 mils over metal profile
- Theoretical Coverage: 5,300 sq. ft/gallon @ recommended DFT
- Non-Volatile: 100% by weight, 99 ± 1% by volume
- VOC: 0 lbs/gallon maximum
- Viscosity: 196 cSt @ 40°C, 14.5 cSt @ 100°C
- Pour Point: -5°F
- Zinc Content: <10 PPM
- SAE Number: 40
- Humidity Resistance: 360 hours in 100% relative humidity test
- Protection Duration: Up to 5 years in indoor or undercover environments
- Removal: TECTYL HPS solventborne thinner, vapor degreasing, or low pressure steam
Key Features
- Dual Functionality: Acts as both a preservative oil and a lubricant for moving engine parts
- Corrosion Protection: Prevents rust and corrosion for up to 5 years in indoor environments
- Lubrication Performance: Provides smooth movement for critical components such as pistons, valves, chains, and bearings
- Versatility: Compatible with conventional SAE Grade 10w, 15w, 30, and 40 internal combustion oils
- EMD Approved: Meets stringent performance standards of General Motors’ Electromotive Division
Ideal Applications
Engine Preservation
- Diesel locomotive engines – For storage and transport protection
- Large stationary engines – During inactive periods
- Military vehicle engines – For long-term storage
- Marine engines – For layup protection against saltwater environment
- Construction equipment – During seasonal storage
- Generator sets – Between deployments or during storage
Industrial Applications
- Engine manufacturing – As a factory-fill for new engines
- Emergency equipment – For standby generators and pumps
- Seasonal equipment – For protection during off-season
- Equipment in transit – Protection during shipping
- Mining equipment – For intermittently used machinery
Application Guidelines
- Metal surfaces must be clean, dry, and free of rust, oil, and mill scale
- Apply at temperatures between 50-95°F (10-35°C)
- Ensure uniform consistency prior to use
- Compatible with all conventional 10, 15, 30, and 40 weight internal combustion oils
- Complete draining of the crankcase and oil sumps is recommended before treatment
- Can be applied by spray, circulation, or dip
- Reuse should be restricted to no more than 3 units to prevent dilution and maintain effectiveness
- When preparing used engines for storage, oil dilution may occur
Storage and Handling
- Store in a cool, dry location
- Keep away from ignition sources
- Consult SDS for proper handling procedures
- Avoid adding any product over or under this coating
- Do not use chlorinated or highly aromatic solvents when removing from painted surfaces
This specialized engine preservation oil delivers dependable, long-lasting protection and lubrication for internal combustion engines and components, making it an excellent choice for both industrial and transportation applications where high standards of performance are required.