Natural Foam | McMaster-Carr

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For Use Outdoors

Shield Material

140 Products

Sealing

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

85 products

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

8 products

Fabricating and Machining

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

12 products

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

5 products

Mold Foaming Agents

Mix into resin to reduce your part's weight and prevent warping and defects as it cools

1 product

3D Printer Filaments

Run through filament 3D printers to form plastic parts

2 products

Heating, Ventilation, and Air Conditioning

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

13 products

Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

10 products

Facility and Grounds Maintenance

Sponges

Mildew-resistant, super-absorbent, natural, eraser, and scouring sponges

4 products