Sealants For Aluminum | McMaster-Carr

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1,544 Products

Sealing

Sealants

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

238 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

163 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

6 products

Gasket Makers

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

60 products

Gasket Sealants

Seal gaskets on metal parts

7 products

Fastening and Joining

Adhesives

Bond surfaces together

451 products

Threadlockers

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

166 products

Adhesive Primers

Prepare surfaces before adding adhesives to improve bonding strength

16 products

Retaining Compounds

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

80 products

Magnet-Receptive Sheets

Cut with scissors to form custom nonmetallic, nonmagnetic surfaces that magnets will stick to

3 products

Solder Mask

Temporarily shield circuit boards from solder, flux, and high temperatures

4 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

86 products

Protective Coatings

Shield surfaces from the surrounding environment

50 products

Paint

Renew, enhance, protect, and change the color of surfaces

17 products

Paint Primers

Extend the life of paint and coatings by preparing surfaces beforehand

18 products

Touch-Up Paint Pens

Cover scratches in paint and coatings

1 product

Protective Coating Primers

Prepare metal surfaces for powder coating

1 product

Surface-Preparation Cleaners

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

1 product

Sealant Removers

Clean sealant and caulk off tools and other surfaces

1 product

Roof Coatings

Form a water-resistant layer to restore and reinforce your roof

3 products

Electrical

Potting Compounds

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

61 products

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

18 products

Thermal Control Coatings

Give off almost no volatile emissions that could damage sensitive electronics and optics

1 product

Fabricating and Machining

Anodizing Kits

Coat aluminum parts for added resistance to corrosion and chemicals

1 product

Blackener Kits

Create a flat, black protective finish on metal tools to resist corrosion and reduce glare

1 product

Raw Materials

Pigments and Dyes

Add color to liquids, mixtures, and materials

8 products