Loctite® | McMaster-Carr

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Mixing Required

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Export Control Classification Number (ECCN)

537 Products

Fastening and Joining

Threadlockers

Coat threads on threaded fasteners to prevent loosening from impact and vibration

112 products

Adhesives

Bond surfaces together

187 products

Retaining Compounds

Fill gaps to bond shafts, bearings, press-fit assemblies, and other cylindrical metal parts

32 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

12 products

Adhesive Accelerators

Speed up the time it takes adhesives to reach full strength

10 products

Adhesive Activators

Pair with no-mix adhesives to create strong bonds—all with material certificates for traceability

2 products

Sealing

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

40 products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

24 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

37 products

Gasket Sealants

Seal gaskets on metal parts

7 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

28 products

Protective Coatings

Shield surfaces from the surrounding environment

2 products

Surface-Preparation Cleaners

Clean and degrease surfaces so paint, coatings, adhesives, and cement will stick

1 product

Electrical

Potting Compounds

Encase electronic assemblies in material that hardens to protect from dust, moisture, and vibration

16 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

3 products