3M TL42 Rite-Lok Threadlocker

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Description for 3M TL42 Rite-Lok Threadlocker

A one component anaerobic adhesive that cure and seal threaded assemblies is a general purpose, removable with hand tools, medium strength threadlocker ideal for machine tool access bolts, and hydraulic system bolts.

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Application Type	Bond, Threadlock, Seal
1 Part or 2 Part	1 Part
Material Form	Liquid (Before Cure)
Substrate	Commercial aluminum (Active Fast cure) , Copper (Active Fast cure) , Brass (Active Fast cure) , Bronze (Active Fast cure) , Iron (Active Fast cure) , Kovar (Active Fast cure) , Manganese (Active Fast cure) , Monel (Active Fast cure) , Nickel (Active Fast cure) , Anodized Aluminum (Inactive Slow cure), Cadmium (Inactive Slow cure), Chemical black oxide (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Gold (Inactive Slow cure), Inconel (Inactive Slow cure), Magnesium (Inactive Slow cure), Magnetite Steel (Inactive Slow cure), Plated parts (Inactive Slow cure), Silver (Inactive Slow cure), Stainless Steel (Inactive Slow cure), Zinc (Inactive Slow cure), Galvanized steel (Inactive Slow cure), Pure aluminum (Inactive Slow cure)
Industry	Machine tool access bolts, Gear box, General Purpose, Hydraulic system bolts, Hydraulic system bolts, Conveyor roller bolts, Bearing cover cap screws, Driveshaft bolts, Countersunk screws
Manufacturer	3M
Chemistry	Dimethacrylate
Cure Method	Anaerobic
Cure Temperature (°C)	20 to 25
Cure Time (min)	1,440, 1,440
Viscosity (cPs)	800 to 1,600
Fluorescent	Fluorescence
Color	Blue
Torque (psi)	70 to 200 (in.lb), 20 to 200 (in.lb)
High Temperature Resistance (°C)	149
Low Temperature Resistance (°C)	-54
Key Specifications	Mil-Spec (United States Military Standard): MIL-S-46163A

Best Practices for 3M TL42 Rite-Lok Threadlocker

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Technical Data for 3M TL42 Rite-Lok Threadlocker

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Overview

Application Type
- Adhesive - Bond
- Sealant - Seal
- Threadlocker - Threadlock
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Liquid - Liquid (Before Cure)
Substrate
- Metal - Inconel (Inactive Slow cure)
- Aluminum - Commercial aluminum (Active Fast cure) , Pure aluminum (Inactive Slow cure)
- Copper - Copper (Active Fast cure)
- Brass - Brass (Active Fast cure)
- Bronze - Bronze (Active Fast cure)
- Iron - Iron (Active Fast cure)
- Kovar - Kovar (Active Fast cure)
- Manganese - Manganese (Active Fast cure)
- Monel - Monel (Active Fast cure)
- Nickel - Nickel (Active Fast cure)
- Cadmium - Cadmium (Inactive Slow cure)
- Black Oxide - Chemical black oxide (Inactive Slow cure)
- Gold - Gold (Inactive Slow cure)
- Magnesium - Magnesium (Inactive Slow cure)
- Plated Parts - Plated parts (Inactive Slow cure)
- Silver - Silver (Inactive Slow cure)
- Zinc - Zinc (Inactive Slow cure)
- Galvanized - Galvanized steel (Inactive Slow cure)
- Anodized Aluminum - Anodized Aluminum (Inactive Slow cure)
- Galvanized Steel - Galvanized steel (Inactive Slow cure)
- Magnetite Steel - Magnetite Steel (Inactive Slow cure)
- Stainless Steel - Stainless Steel (Inactive Slow cure)
Industry
- Mechanical Fastening Parts - Machine tool access bolts, Hydraulic system bolts, Bearing cover cap screws, Countersunk screws, Conveyor roller bolts, Driveshaft bolts
- Gears - Gear box
- General Purpose
- Hydraulic - Hydraulic system bolts
- Other - Threaded assemblies
Chemistry
- Acrylic - Dimethacrylate
Cure Method
- Anaerobic
Color
- Blue
Key Specifications
- Mil-Spec (United States Military Standard): S-46163A - MIL-S-46163A

Specifications

Cure Specs

Cure Temperature (°C)	20 to 25
Cure Time (min)	1,440, 1,440
Viscosity (cPs)	800 to 1,600	Test Method
Fixture or Handling Strength Time (min)	10 to 30, <5.00
Set Time (min)	Fast
Fluorescent	Fluorescence

Bond Strength

Torque (psi)	70 to 200 (in.lb), 20 to 200 (in.lb)
General Bond Strength (psi)	Medium

Material Resistance

Non-Corrosive	Excellent corrosion resistance, Prevent corrosion
High Temperature Resistance (°C)	149	Test Method
Low Temperature Resistance (°C)	-54	Test Method
Vibration Resistance/Shock Resistance	Excellent shock resistance, Excellent vibration resistance

Business Information

Shelf Life Details	Storage: Store product in cool, dry area out of direct sunlight.;Shelf Life: 3MTM Scotch-WeldTM Threadlocker Anaerobic Adhesives have a shelf life of 12 months when stored at 60o to 80oF (16o to 27o C) in the original unopened container.
Shelf Life Temperature (°F)	60 to 80
Shelf Life (mon)	12

Not Good For

Don't Use For	piping systems that contain pure oxygen or an oxygen-rich environment, chlorine, or strong oxidizing substances
Don't Use With	most plastics due to potential cracking of plastic parts

Best Practices for 3M TL42 Rite-Lok Threadlocker

*See Terms of Use Below
1. Surface Preparation
  
  Ensure parts are clean, dry and free from oil, grease and dirt. For best results, clean and dry parts with solvent or 3MTM Scotch-WeldTM Activator. (Activator can also be used on inactive surfaces or to accelerate the cure on active surfaces.)
2. Application
  
  Shake the adhesive bottle well before use.
  
  Avoid touching the metal surfaces with the bottle tip since the metal ions may react with the adhesive upon contact and eventually may clog the bottle tip.
  
  Apply adhesive onto the threaded part where the contact area will be in the final assembly. For larger parts, use more adhesive and rotate the threaded part to spread adhesive evenly around contact area.
  
  For through holes, apply several drops of adhesive onto the bolt at the nut engagement area. For blind holes, apply several drops of the adhesive down the internal threads to the bottom of the hole.
3. Curing
  
  Allow assemblies to set for sufficient time so that handling strength or full cure will occur before further processing or testing.
4. Removal
  
  Loosen or remove with regular hand tools.
Comparable Materials for 3M TL42 Rite-Lok Threadlocker

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Spec Engine^® Results
- TL90 Rite-Lok Threadlocker(3M)
  A one component anaerobic adhesive that cure and seal threaded assemblies is low viscosity to provide a wicking action, medium strength threadlocker that locks and seals small compression and ferrule fittings. It is useful for pre-assembled parts.
- TL77 Rite-Lok Threadlocker(3M)
  A one component anaerobic adhesive that cure and seal threaded assemblies is a permanent, high strength, high viscosity threadlocker designed to work well with larger diameter (up to 11 /2") and coarse threaded parts.
- TL72 Rite-Lok Threadlocker(3M)
  A one component anaerobic adhesive that cure and seal threaded assemblies is a permanent, high strength threadlocker formulated to lock bolts and studs up to 1" in diameter. It can be used for high temperature thread locking (intermittently up to 450°F) and its thixotropic nature prevents dripping or migration of the liquid adhesive after assembly.
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