Porous Aluminum Alloys | McMaster-Carr

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	Material Material

Metapor Aluminum

A356 Aluminum

	System of Measurement System of Measurement

Metric

Inch

	Thickness Thickness

	Length Length

	Width Width

	Cell Size Cell Size

Small

Large

	Maximum Temperature Maximum Temperature

225° F

Not Rated

	Yield Strength Yield Strength

	Hardness Rating Hardness Rating

Shore D80

Soft

Not Rated

	Specifications Met Specifications Met

8 Products

About Aluminum

Yield Strength: Not Rated
Hardness: Shore D80 (Soft)
Temper: Not Rated
Fabrication: Cast

Create molds for vacuum-forming and thermoforming applications. Metapor aluminum is porous to let air and moisture escape, which prevents bubbles and blemishes. These sheets must be milled to expose the pores; average pore diameter is 0.0006” with a total porosity of 15%.

For technical drawings and 3-D models, click on a part number.

Thick., mm	Thick. Tolerance, mm	Porosity	Pore Dia,		150 mm × 150 mm	250 mm × 250 mm	500 mm × 500 mm
10	-2 to 2	15%	0.0006"	0000000	000000	0000000	0000000
15	-2 to 2	15%	0.0006"	0000000	000000	000000	000000
30	-2 to 2	15%	0.0006"	0000000	000000	000000	00000000
50	-2 to 2	15%	0.0006"	0000000	000000	000000	00000000

Lightweight A356 Aluminum Foam

Small Cell

Large Cell

Yield Strength: See table
Hardness: Not Rated
Fabrication: Cast
Specifications Met: ASTM B557, ASTM E9

Air is injected into the casting of this A356 aluminum to reduce weight and create a crater-like appearance. These foam sheets are often used for sound insulation and architectural facades. Carbide- or diamond-tipped blades are required for machining.

Thick.	Thick. Tolerance	Cell Size	Yield Strength, psi	Flatness Tolerance		4" × 4"	6” × 6”	12” × 12”
1/2"	-0.039" to 0.039"	Small	510	0.060" per ft.	0000000	000000	000000	000000
1"	-0.039" to 0.039"	Large	45	0.060" per ft.	0000000	00	00000	00000
1"	-0.039" to 0.039"	Small	406	0.060" per ft.	0000000	00000	00000	00000
1.7"	-0.039" to 0.039"	Large	36	0.060" per ft.	0000000	00	00000	00000

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About Aluminum

Porous Mold-Quality Metapor Aluminum

Lightweight A356 Aluminum Foam