📄 General Information and Application

Manufacturer: Ultrachem Inc., based in New Castle, Delaware, USA.
Websites: bac-online.com, ultracheminc.com, pilotshq.com

Function: A viscous preparation designed to temporarily hold small components (e.g., O-rings) in place during the assembly of precision mechanical systems — such as engines, turbines, gearboxes, or pumps.

Applications: Aerospace industry, military, precision engineering, and commercial applications.

Alternative to: Mobil RT-403-C. Approved as an O-ring lubricant and compliant with the following standards:
MIL-L-07808, MIL-L-23699, GE A50TF92, Pratt & Whitney PWA36500, Rolls Royce MSRR 9295
(Sources: boeingdistribution.com, ultracheminc.com, bac-online.com)

📊 Typical Physical Properties

Fully dissolves in oils and hydraulic fluids without leaving any residue.
(Sources: cdn11.bigcommerce.com, bac-online.com, scribd.com)

⚠️ Safety and Chemical Composition

• GHS: Product is not classified as hazardous under GHS.

• Ingredients:

  • Acrylic copolymer: 30–60%

  • Thermally neutral oil: 25–75%

  • Contains trace amounts of methyl methacrylate (0.1–1%), which is flammable and irritating.

MSDS/SDS: Full Safety Data Sheets are available and include details on first aid, fire-fighting measures, composition, and storage guidelines.

🧪 Availability and Packaging

• Standard packaging: 4 oz (approx. 113.4 g) tube with resealable cap
  (Sources: silmid.com, skygeek.com)

• Minimum order quantity: 1

• Distribution: Available from aerospace and industrial suppliers in the USA, UK, and EU.

🔎 Summary

Ultrachem Assembly Fluid #1 is a specialized preparation that:

• Facilitates precision assembly without leaving residue

• Is compatible with mineral oils, synthetic oils, and hydraulic lubricants

• Holds military and aerospace certifications, making it ideal for regulated technical environments

• Comes in a convenient 4 oz (113.4 g) tube,

🔩 Typical Parts It Can Be Used With:

1. O-rings: In hydraulic, pneumatic, fuel, and cooling systems; Helps prevent twisting, tearing, or pinching during assembly

2. Seals and gaskets: Static and dynamic seals: Aids alignment and reduces installation damage

3. Bearings: Small roller or ball bearings in precision assemblies; Prevents dry start-up during initial fitting

4. Bushings and sleeves: Allows easier alignment and sliding during press-fit installation

5. Threads and fasteners: Provides temporary lubrication during torque tightening; Reduces galling on stainless steel or aluminum components

6. Valves and spools: Helps position components in control systems or hydraulic blocks

7. Shafts and couplings: Assists in press-fitting rotating or drive components

8. Piston rings and actuator parts: In compressors, pumps, and pneumatic systems

9. Electrical connectors with seals: Eases insertion and reduces wear on rubber elements

10. Fuel system components: Lubricates and protects O-rings, seals, and threads during assembly

🔧 Industrial and Technical Application Sectors:

1. Aerospace Industry: Jet engine assembly and maintenance; Lubrication of O-rings and seals in fuel and hydraulic systems

2. Defense and Military: Assembly and servicing of military equipment (vehicles, aircraft, naval systems); Applications requiring MIL-SPEC certified lubricants

3. Space Industry: Precision assembly of satellite and rocket components; Use in extreme temperature environments

4. Energy Sector: Gas and steam turbine maintenance in power plants; Gearbox and valve assembly in energy distribution systems

5. Automotive (High-Performance & Motorsport): Assembly of high-precision engine components; Servicing hydraulic and pneumatic systems in racing or specialized vehicles

6. Precision Engineering & Machinery: Manufacturing of pumps, actuators, valves, and control units; Assembly of robotics and automation systems

7. Rail and Marine Transport: Seal, valve, and auxiliary turbine servicing in locomotives and ships

8. Chemical and Petrochemical Industry: Suitable for harsh chemical environments requiring clean, stable lubricants; Temporary assembly aid in process equipment

9. MRO (Maintenance, Repair & Overhaul) Services: Factory maintenance departments and industrial service teams; Repair workshops handling technical and heavy-duty equipment