THREADSEALING T-LOCKsealing 4291
3M™ Thread Sealant 4291 is a water-based adhesive product designed to be
pre-applied to threaded fasteners. It has excellent resistance to automotive
fluids and can withstand high temperatures and pressures. Typical applications
are threaded fasteners for the engine compartment.
|Friction coefficient||0.11 – 0.15|
|Operating temperature||– 25°C / + 150°C|
|Screw’s reuse||NOT POSSIBLE|
|Res. to atmospheric/chemical agent||GOOD|
|Storage||1 year at about 20°C|
|Treatable diameter||2 mm / 35 mm|
Elastic sealant for the threaded parts fixing.
It’s a largely used and approved product, especially in the automotive sector.
TL03 immediately creates an elastic seal, which doesn’t allow the passage of most of the seals, helping to keep the coupling tight even in vibrations presence.
It’s very resistant to thermal shock. It isn’t dangerous and not flammable.
|Maximal heat resistance||187°C|
|Resistance to solvents||EXCELLENT|
|Lubricating power||0.11 – 0.13|
|Viscosity||1500 – 4000|
|Specific weight||1.0 – 1.3|