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LOCTITE gasket sealant Suited for a wide range of applications, LOCTITE gasket sealants can be formed in place and increase the reliability of flange joints.

To find the ideal Loctite for your flange sealing needs, just answer three whats:

  • 1 Flange Type (Rigid or stamped)
  • 2 Gap to be filled
  • 3 Temperature resistance
LOCTITE® 510
High Temperature High Strength

  1. Flange Type Rigid or machined

  2. >

    Gap to be filled 0.010” (0.25 mm)

  3. >

    Temperature resistance* 204°C

Additional features

  • Instant seal
  • Excellent water & glycol resistance
  • Anaerobic cure method
  • Cure time – 24 hours
  • Eliminates gasket compression set
LOCTITE® 518
High Strength Flexible
  1. >

    Flange Type Rigid or machined

  2. >

    Gap to be filled 0.010” (0.25 mm)

  3. >

    Temperature resistance* 150°C

Additional features

  • Instant seal
  • Excellent water & glycol resistance
  • Anaerobic cure method
  • Cure time – 24 hours
  • Recommended for use on iron, steel and aluminum flanges
LOCTITE® 574
Medium Strength Fast Cure

  1. Flange Type > Rigid or machined

  2. Gap to be filled 0.010” (0.25 mm)

  3. Temperature resistance* 150°C

Additional features

  • Instant seal
  • Excellent water & glycol resistance
  • Anaerobic cure method
  • Cure time – 24 hours
  • General purpose flange sealant
LOCTITE® SI 587
Oil Tolerant

  1. Flange Type Stamped (Sheet metal)

  2. Gap to be filled 0.25” (6.35 mm)

  3. Temperature resistance* 204°C

Additional features

  • Excellent water & glycol resistance
  • Moisture cure
  • Cure time – 50 minutes
  • No solvent – Non corrosive
  • Suitable for all types of flanges including sheet metal flanges
LOCTITE® SI 596
High temperature

  1. Flange Type Stamped (Sheet metal)

  2. Gap to be filled 0.25” (6.35 mm)

  3. Temperature resistance* 316°C

Additional features

  • Excellent water & glycol resistance
  • Moisture cure
  • Cure time – 50 minutes
  • No solvent – Non corrosive
  • Ideal for repair of industrial furnaces, ovens, boilers, exhaust stacks, ducting & heating elements
LOCTITE® SI 5900
Superior flexibility

  1. Flange Type Stamped (Sheet metal)

  2. Gap to be filled 0.25” (6.35 mm)

  3. Temperature resistance* 204°C

Additional features

  • Instant seal
  • Excellent water & glycol resistance
  • Moisture cure
  • Cure time – 20 minutes
  • No solvent – Non corrosive
  • Withstands high relative joint movement

*Continuous Service