Description
Tectyl 910E2 is a QPL-approved preservative engine oil manufactured by Daubert Chemical Company and formulated under MIL-PRF-21260E, SAE Grade 10W. This versatile product serves three critical functions: preservation, break-in, and lubrication of both spark-ignition and compression-ignition internal combustion engines. It forms an oily, translucent protective film that safeguards engine parts during covered shipment and indoor storage while also functioning as a complete operational oil. Officially approved under Military Specification MIL-PRF-21260E with QPL Reference Number MP-434, Tectyl 910E2 ensures engines remain protected and ready for use in military, industrial, and commercial applications without harming copper-lead alloy bearings or other sensitive materials.
Properties
- Dry Film Color: Translucent
- Film Type: Oily
- Density: 7.36 lbs/gallon @ 15.6°C
- Specific Gravity: 0.878 – 0.889 @ 15.6°C
- Recommended Dry Film Thickness: 0.4 mils over metal profile
- Theoretical Coverage: 4,010 sq. ft/gallon @ recommended DFT
- Flash Point: 212°C typical (205°C minimum) C.O.C.
- API Gravity: 26.7 typical (25.7 – 27.7 range)
- Viscosity: 7.13 cST @ 100°C, 43.49 cST @ 40°C
- Pumpability: 11,400 mPa.s @ -30°C
- Pour Point: -42°C
- Sulfated Ash: 1.31
- Protection Duration: Up to 5 years when stored indoors or undercover
- National Stock Numbers (NSN): 9150-00-111-0208 (55-gallon drum), 9150-00-111-3199 (5-gallon pail)
Key Features
- MIL-SPEC Compliance: Approved under MIL-PRF-21260E, SAE Grade 10W
- Corrosion Resistance: Neutralizes corrosive effects of acids and provides long-term protection
- Long-Term Protection: Suitable for indoor storage and covered shipment for up to 5 years
- Operational Oil: Functions as factory fill and break-in oil for new and rebuilt engines
- Compatibility: Works with oils qualified under MIL-PRF-21260E, MIL-PRF-2104, MIL-PRF-46167, and MIL-L-46152E
Ideal Applications
Engine Protection
- New and rebuilt engines – As factory fill and break-in oil
- Current production engines – Meeting MIL-PRF-21260E requirements
- Military equipment – For engines requiring military-spec lubricants
- Engine storage – For protection during covered shipment and indoor storage
- Seasonal equipment – During off-season storage periods
Industrial Applications
- Engine manufacturing – As a factory-fill for new engines
- Rebuilt engine preparation – For protection during shipment to customers
- Equipment refurbishment – During maintenance and rebuild operations
- Engine test stands – For engine break-in procedures
- Engine component preservation – During assembly and storage
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)
- Use as supplied – DO NOT THIN the product
- Ensure uniform consistency prior to use
- Continued stirring is generally not required
- If product thickens due to cold storage or solvent loss, contact Daubert Chemical Company
- This is a completely operational oil that need not be changed until the first scheduled oil change specified by engine manufacturer
Removal and Handling
- Can be removed with TECTYL HPS solventborne thinner, vapor degreasing, hot alkaline wash, or low pressure steam
- Can be removed from fabrics by normal dry cleaning procedures
- Avoid chlorinated or highly aromatic solvents when removing from painted surfaces
- Refer to Daubert’s Material Safety Data Sheet for health and safety instructions
- The addition of any product over or under this coating is not recommended
This military-approved engine oil provides preservation, break-in, and lubrication capabilities, making it an ideal solution for engines in various military, industrial, and commercial applications where reliable performance and protection are essential.