Tectyl 910E2

Tectyl 910E2

0.00 LBS

Tectyl 910E2, is an internal combustion engine oil and corrosion preventive for all new and rebuilt engines. Acting as a preservative oil, this product protects engine parts during covered shipment and indoor storage. The film is oily and translucent and is approved under Military Specification MIL-PRF-21260E, Grade 10W, QPL Reference Number MP-434 

NOTE: This product replaces Tectyl 910E. 

Surface Preparation: The maximum performance of this product can be achieved only when the metal surfaces to be protected are clean, dry, and free of rust, oil, and mill scale. Daubert Chemical Company recommends that the metal substrate temperature be 50 - 95F (10 - 35C) at the time of product application. 
Application: This product is formulated to be used as supplied. 

✓ - Ensure uniform consistency prior to use. 
✓ - Continued stirring is generally not required. 
✓ - If product thickens, contact Daubert Chemical Company.* 
✓ - Ambient/product temp at time of application: 50 - 95F.** 
✓ - DO NOT THIN.✓ - Used as a factory fill and break-in oil*** 
✓ - May be used as a preservative coating. 


  • Coating can be removed with Tectyl HPS solvent-borne thinner, vapor degreasing, hot alkaline wash, or low pressure steam. 
  • It can be removed from fabrics by normal dry cleaning procedures. 
  • Avoid the use of chlorinated or highly aromatic solvents when removing from painted surfaces, as these solvents may adversely affect paint. 


  • Store product at temperatures between 50-95F (10-35C). 
  • Mild agitation is recommended prior to use. 

CAUTION: Adequate ventilation is required for cure and to ensure against formation of a combustible liquid. The partially cured film should not be exposed to ignition sources such as flares, flames, sparks, excessive heat, or torches. Refer to Daubert's Safety Data Sheet for additional handling and first aid information. 

NOTE: The addition of any product over or under this coating is not recommended. The use of additional coatings could result in chemical incompatibility, thus adversely affecting the performance of this coating as stated in the lab data section. If a product other than Daubert Chemical Company's recommended product is required, written authorization must be obtained from Daubert Chemical Company, Inc.

*This may occur due to cold storage or loss of solvent during use 
**Or, 10 - 35C according to Daubert Chemical Company recommendations. 
***This is a completely operational oil for current production engines meeting the requirements of MIL-PRF-21260E and need not be changed until the first scheduled oil change specified by engine manufacturer. 

This oil is compatible with any lubricating oils qualified under MIL-PRF-21260E, MIL-PRF-2104, and MIL-L-46152E.

1 Review | Write a Review.

  • 4
    Air Maze aircraft air filter oil

    Posted by Bob on Dec 06 2021

    This MIL spec preservative oil is required by Air Maze to keep element fiber soft and sticky enough to collect bugs and debris. Product delivered on time and packed well.

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