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Neolube® No. 1.1 Lubricant – Colloidal Graphite in Isopropanol, MIL-L-24131C

Neolube No.1 has unfortunately been discontinued as of July 11th 2024. New Formula Neolube 1.1 Lubricant, MIL-L-24131C is available since February 2025.

 

Neolube® No. 1.1 Lubricant – Colloidal Graphite in Isopropanol

Application

Usage: Nuclear Power Generating Plants, Nuclear Reactors, Commercial and Naval

Neolube® No. 1.1 was designed for extensive use in nuclear power plants and other nuclear facilities as an anti-seize compound, thread lubricant, and for lubricating moving parts and rubbing surfaces.

The composition consists of 99% pure furnace graphite particles, a thermoplastic resin, and isopropanol. The thin, dry, non-corrosive film of Neolube® No. 1.1 prevents seizing, fretting, and galling and resists abrasion. It is easy to apply by spray, dip, or brush and has excellent adhesion after a fast air dry. The dry film will not migrate and is unaffected by frost.

Neolube® No. 1.1 provides non-corrosive, dry adherent lubrication for metal parts with limited clearances in applications where control of impurities is required. It resists abrasion and effectively lubricates moving parts, rubbing surfaces, and threaded parts for easier assembly, trouble-free operation, and non-destructive disassembly.

Important Limitations:

  • Neolube® No. 1.1 is not recommended for lubricating threads in reactor primary containment areas where fitting temperatures exceed 400°F.
  • For containment or secondary side applications, Neolube® No. 1260 is recommended.
  • Not for use in oxygen systems.

A Certificate of Quality Conformance and Analysis is available for each lot upon request.

Physical and Chemical Requirements

  • Total Solids Content: 3.3% ± 0.50%
  • Graphite Content: 75% ± 5%
  • Particle Size:
    • Maximum dimension of 90% of the particles: 4 Microns
    • Maximum dimension of any particle: 10 Microns
  • Impurities:
    • Ash: Max 0.75%
    • Fluorine: Max 20 PPM
    • Chlorine: Max 200 PPM
    • Sulfur: Max 200 PPM
    • Lead: Max 150 PPM

Film Properties

  • Adherence: The coated surface shall be dry and shall not become exposed when subjected to light abrasion.
  • Spalling: Film continuity shall not be broken, and metal surfaces shall not be exposed.
  • Appearance: Dry, non-oily.
  • Odor: Characteristic of isopropanol, with no detectable halogenated solvents.

Mercury-Free and Low-Metal Content

Instruments and equipment containing mercury or mercury compounds were not used in the manufacture, packaging, or testing of Neolube® No. 1.1. The product did not come into contact with mercury or its compounds during processing. No intentional addition of low melting point metals such as lead, bismuth, zinc, mercury, antimony, cadmium, tin, silicon, gallium, indium, arsenic, copper, or silver was made.

NSF does not approve this product for drinking water applications.

Physical Properties

  • Lubricant: Processed micro-graphite
  • Binder: Thermoplastic Resin
  • Diluent: Isopropanol
  • Consistency: Liquid
  • Color: Black
  • Density: 6.8 lb./gal (0.82 kg/l)
  • Solids Content: 3.30% ± 0.50%
  • Flash Point: 52°F (11°C)
  • Shelf Life: No limit in a closed container

Cured Coating Properties

  • Service Temperature: 400°F (204°C)
  • Intermittent Temperature: 850°F (454°C)

Application Instructions

Dilution

Neolube® No. 1.1 is supplied ready for use, conforming to MIL-L-24131C requirements. If further dilution is needed, add isopropanol while mixing uniformly.

Pretreatment

Substrates should be clean and dry before application. A solvent wipe and air drying are usually sufficient. For critical applications requiring maximum adhesion, mechanical or chemical pretreatment such as grit blasting, phosphating, anodizing, or etching is recommended.

Application

Mix uniformly before use. Apply using the brush-in-cap applicator, or by conventional spray, brush, or dip methods.

Cure Time

Material air dries in approximately 5 minutes, depending on temperature and humidity.

Packaging

Neolube® No. 1.1 is packaged in 2-ounce and 8-ounce non-halogenated plastic bottles with a brush-in-cap applicator.

Precautions

Employ customary safeguards when storing, handling, and applying flammable materials. Use adequate local exhaust ventilation when spraying. Avoid prolonged contact with eyes, skin, and clothing. (See the Safety Data Sheet for proper first-aid instructions.) Keep containers tightly closed to prevent evaporation and contamination.

Qualification Approval

Neolube® No. 1.1 meets multiple military and governmental qualification approvals, including:

  • Department of the Navy, Naval Sea Systems Command Letter 4123 Ser05S/2024-298
  • BPMI-IBM-MQA-00195
  • Navy and Marine Corps Force Health Protection Command Letters
  • Bureau of Medicine and Surgery Letter

Disclaimer

Neolube® products are not considered safety-related goods and are not designed under a quality assurance program complying with 10CFR50, Appendix B, 10CFR21, or ANSI standards.

Information provided is for reference only and believed to be reliable. However, Huron Industries, Inc. and Newman Tools Inc. .makes no warranty, express or implied, and assumes no liability for results obtained by others. Users are responsible for determining suitability for their applications.

 

 


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 Neolube® Products

Trademarks are the properties of their respective owner(s).

July 2024, March 2022, October 2020, ... updated August 2014. April 2012, March 2012 CSS,

The descriptions, illustrations, specifications, dimensions, and part numbers are subject to change without notice.

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