Expandable Foam | McMaster-Carr

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ASTM E84 0/45 for Flame and Smoke

ASTM E84 10/350 for Flame and Smoke

ASTM E84 25/210 for Flame and Smoke

ASTM E84 25/50 for Flame and Smoke

ASTM E84 5/20 for Flame and Smoke

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Expanded Thickness

64 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

15 products

Material Handling

Expanding Foam

Conforms to and cushions items in boxes to keep them from banging around the box during transit

7 products

Fabricating and Machining

Casting Compounds

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

11 products

Fastening and Joining

Tape

Bind, seal, and mark surfaces

28 products