MECSEALANT Threadlockers (MTL)

MECSEALANT® Anaerobic Thread Lockers are single component acrylic adhesives designed to prevent loosening, leakage & corrosion of fastener threads. Our thread locking fluids are available in a wide range of strength, viscosity, temperature and other features.

Product Range:

  • Low Strength – MTL 222
  • Medium Strength – MTL 242, 243
  • High Strength – MTL 262, 270, 271, 272, 277
  • Wicking Grade – MTL 290

Packaging Size: 50mL/bottle

MECSEALANT THREAD LOCKER

MTL Technical Data

ProductMTL222MTL242MTL243MTL262MTL270MTL271MTL272MTL277MTL290
StrengthLow StrengthMedium StrengthMedium StrengthHigh StrengthHigh StrengthHigh StrengthHigh StrengthHigh StrengthWicking Grade
Chemical BaseAcrylicAcrylicAcrylicAcrylicAcrylicAcrylicAcrylicAcrylicAcrylic
ColourPurpleBlueBlueRedGreenRedRedRedGreen
AppearanceLiquidLiquidLiquidLiquidLiquidLiquidLiquidLiquidLiquid
ViscosityLow, ThixotropicMedium, ThixotropicMedium, thixotropicMedium, thixotropicLowLowMedium, ThixotropicMediumLow
Applies toSmall fastenersMetal Fasteners,
Removable strength
Surface with slight-oil contaminationMetal fasteners, slight oil contaminationMetal threaded assemblies, High strengthMetal threaded assemblies, Low viscosityHigh temperatureLarge boltsPre-assembled parts Seals 0.1 mm gap
Fastener SizeM2-M6M8-M16M8-M18M10-M20> M25M16-M24M25-M80M24-M36 < M12
Typical UseLock and seal small threaded fastenersLock and seal threaded fastenersLock and seal threaded fasteners with slight-oil contaminationPermanent lock and seal threaded fastenersPermanent lock and seal threaded fastenersPermanent lock and seal threaded fastenersPermanent lock and seal threaded fastenersPermanent lock and seal threaded fastenersLock and seal pre-assembled threaded fasteners
DisassemblyHand tools requiredHand tools requiredHand tools requiredHand tools requiredHeat and hand tools requiredHeat and hand tools requiredHeat and hand tools requiredHeat and hand tools requiredHeat and hand tools required
Key Features• Prevent thread loosening or leak from shock and vibration
• Able to adjust locating screw
• Suitable for small diameter or long threaded fasteners
• Easy to disassemble
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• Low viscosity for precise application
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• Suitable for inert surface
• Good for Stainless steel and electroplated materials
• Low viscosity for precise application
• Prevent thread loosening or leak from shock and vibration
• Applicable to engine plug sealing
• Excellent chemical resistance
• High anti-wear properties
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• Excellent chemical resistance
• High anti-wear properties
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• Applicable to stud-end locking (Cylinder head stud)
• Excellent chemical resistance
• High anti-wear properties
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• High temperature resistance to 232 °C (450 °F)
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• Applicable to large diameter thread
• Excellent chemical resistance
• High anti-wear properties
• Anti-Rust
• Prevent thread loosening or leak from shock and vibration
• High penetrability by capillary action
• Seals 0.1mm gap welding seam/ crack/ shrinkage/ casting microspores
• Excellent chemical resistance
• High anti-wear properties
• Anti-Rust
Viscosity Range (mPa.S at Room Temperature)1,200, Thixotropic 1,700, Thixotropic 2,250 Thixotropic1,800 Thixotropic5005004000 - 15000 Thixotropic700012
Breakaway Torque (Nm)61220222727233010
Prevailing Torque (Nm)457303630253026
Specific Gravity (g/cm3)1.051.051.051.11.11.121.111.121.08
Maximum Operating Temperature150 °C / 302 °F150 °C / 302 °F150 °C / 302 °F150 °C / 302 °F150 °C / 302 °F150 °C / 302 °F232 °C / 450 °F150 °C / 302 °F150 °C / 302 °F
Fixture Time <20 Minutes<20 Minutes<20 Minutes<20 Minutes<20 Minutes<20 Minutes<40 Minutes30 minutes<15 minutes
Full Cure Time24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
24 hours at
22 ºC (72 ºF)
IMPA Code812751812752812745812753812746812754812754812755812756
Storage Temperature25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)25 ºC (77 ºF)
Shelf Life24 Months24 Months24 Months24 Months24 Months24 Months24 Months24 Months24 Months

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