3M Scotch-Weld Threadlocker TL43

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Description for 3M Scotch-Weld Threadlocker TL43

A one component anaerobic adhesive that cure and seal threaded assemblies is a general purpose, removable with hand tools, medium strength threadlocker for most medium and coarse-threaded screws, nuts and bolts. It is oil tolerant to help secure as-received parts and its thixotropic property prevents run-off, dripping, or migration of the adhesive product when applied on parts.

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Application Type	Bond, Seal, Threadlocker
1 Part or 2 Part	1 Part
Material Form	Liquid
Substrate	Commercial aluminum, Copper, Nickel, Iron, Bronze, Brass, Manganese, Monel, Kovar
Industry	Medium and coarse-threaded screws, Nuts, Bolts
Manufacturer	3M
Chemistry	Dimethacrylate, Anaerobic
Cure Method	Anaerobic
Cure Time (min)	1,440
Viscosity (cPs)	2,500 to 4,000
Color	Blue
High Temperature Resistance (°C)	149
Low Temperature Resistance (°C)	-54

Best Practices for 3M Scotch-Weld Threadlocker TL43

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Technical Data for 3M Scotch-Weld Threadlocker TL43

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Overview

Application Type
- Adhesive - Bond
- Sealant - Seal
- Threadlocker
1 Part or 2 Part
- 1 Part or 2 Part - 1 Part
Material Form
- Liquid
Substrate
- Aluminum - Commercial aluminum
- Copper
- Nickel
- Iron
- Bronze
- Brass
- Manganese
- Monel
- Kovar
Industry
- Accessories for Mechanical Fastening - Medium and coarse-threaded screws, Nuts, Bolts
- Other - Threaded assemblies that meet a wide range of applications to prevent vibration loosening and/or leakage
Chemistry
- Acrylic - Dimethacrylate
- Other - Anaerobic
Cure Method
- Anaerobic
Color
- Blue

Specifications

Cure Specs

Cure Time (min)	1,440
Viscosity (cPs)	2,500 to 4,000	Test Method
Fixture or Handling Strength Time (min)	<20, <5.00
Set Time (min)	Fast

Bond Strength

General Bond Strength (psi)	Medium to High

Material Resistance

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

Business Information

Shelf Life Details	Storage: Store product in cool, dry area out of direct sunlight.;3M™ Scotch-Weld™ Threadlocker Anaerobic Adhesives have a shelf life of twelve months when stored at 60° to 80°F (16° to 27°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 Scotch-Weld Threadlocker TL43

*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 Scotch-Weld™ Activator. (Activator can also be used on inactive surfaces or to accelerate the cure on active surfaces.)
  
  If not sure of surface type, always use activator.
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.
Comparable Materials for 3M Scotch-Weld Threadlocker TL43

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Spec Engine^® Results
- 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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