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Henkel Adhesive Technologies
Gasketing sealants
LOCTITE® 5203
Red, low-strength sealant for machined metal flanges
LOCTITE® SI 5970
Oil-resistant silicone sealant for high vibration and torque applications
LOCTITE® SI 5926
Blue silicone paste for gasket replacement or dressing
LOCTITE® SI 5990
Copper-colored, silicone sealant for large gap fill
LOCTITE® 5188
Highly flexible, chemical- and oil-resistant sealant for rigid metal flanges
LOCTITE® 573
Slow cure FIPG sealant for machined and rigid metal flanges
LOCTITE® 518
General purpose, semi-flexible sealant for rigid flanges
LOCTITE® SI 5900
Instant-seal, oil-resistant RTV silicone sealant for flexible flanges
LOCTITE® SI 5980
Black, silicone sealant for large gap fill
LOCTITE® 5800
Red, medium-strength FIPG sealant for rigid flanges