Ceramic Filters | McMaster-Carr

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About Composites

Compare our offering of composites to find the right material for you.

High-Temperature Acid-Resistant Silicon-Carbide Ceramic Foam

A silicon carbide coating over a carbon foam base combines the hardness, chemical resistance, and high temperatures silicon carbide is known for with the lightweight versaitility of foam. It’s often used for cores in composite layers and to filter molten metal and corrosive liquids.

The silicon carbide coating acts as a thermal conductor, transferring heat to quickly cool liquids that pass through. Known for its hardness, silicon carbide won’t break down from repeated abrasion. However, because it’s so hard, this material is more brittle than plain carbon foam and less impact resistant than balsa wood, PET, and PVC foam cores.

Acids and bases can’t penetrate the silicon carbide coating, even at high temperatures. Instead, contaminants stick to the surface, making it a great filter for corrosive liquids and environmental pollutants such as exhaust. If using this material as a filter, choose a foam with more pores per inch for a slower flow rate, and a foam with fewer pores per inch for a faster flow rate.

If you cut this material, the underlying carbon foam is exposed. Carbon foam does not have the temperature range and chemical resistance of its silicon carbide coating, so it will break down more quickly at exposed points.

						3" × 3"		6" × 6"
Thk.	Thk. Tolerance	Pores per In.	Color	Max. Temp., ° F	Compressive Strength, psi		Each		Each
1/8"	-0.010" to 0.010"	60	Gray	3,000	200	6716N112	0000000	6716N115	0000000
1/8"	-0.010" to 0.010"	100	Gray	3,000	200	6716N111	000000	6716N114	000000
1/4"	-0.010" to 0.010"	20	Gray	3,000	200	6716N119	000000	6716N123	00000000
1/4"	-0.010" to 0.010"	60	Gray	3,000	200	6716N118	000000	6716N122	00000000
1/4"	-0.010" to 0.010"	100	Gray	3,000	200	6716N117	000000	6716N121	00000000

Magnetic Conveyor Belt Pulleys

Separate ferrous and nonferrous material in your line. These pulleys are often used to keep metal scraps from contaminating production lines, or for sorting applications such as recycling. As material moves over the pulley, a magnet tugs ferrous pieces against the belt. Nonferrous material flows over the end of the conveyor, but ferrous pieces travel around the curve and under the conveyor. Once the belt moves past the pulley’s magnetic field, those pieces will fall. Install as either the head or tail pulley.

Tapered

			Keyway					4" Diameter
Wd.	For Belt Wd.	Bore Dia.	Wd.	Ht.	No. of Set Screws Included	Material	Magnet Material		Each
4"	2"	1 1/4"	1/4"	1/8"	2	Stainless Steel	Ferrite Ceramic	6434N11	000000000
6"	4"	1 1/4"	1/4"	1/8"	2	Stainless Steel	Ferrite Ceramic	6434N12	00000000
8"	6"	1 1/4"	1/4"	1/8"	4	Stainless Steel	Ferrite Ceramic	6434N13	00000000
10"	8"	1 1/4"	1/4"	1/8"	4	Stainless Steel	Ferrite Ceramic	6434N14	00000000

Magnetic Rod Filters

These filters are designed without guide rods to prevent wet and sticky material from blocking flow. Use to pull ferrous metal scrap and particles out of your process line. Mount filters inside gravity hoppers, chutes, drawers, housings, and surge-and-catch bins. Magnets are sealed in the magnetic rod.

For Rectangular Openings

1 lbf Maximum Magnetic Pull—Filters with a maximum magnetic pull of 1 lbf catch nails, bolts, washers, staples, and other large iron metal objects.

			For Opening
	Lg.	Wd.	Lg.	Wd.	No. of Magnetic Rods	Rod Dia.	Spacing Between Rods	Magnet Material	Frame Material	Rod Material		Each
1 lbf Maximum Magnetic Pull



		6"	6"	6"	6"	3	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K21	0000000


		8"	8"	8"	8"	4	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K23	000000
		10"	10"	10"	10"	5	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K26	000000
		12"	12"	12"	12"	6	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K27	000000
		12"	16"	12"	16"	8	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K29	000000
		14"	14"	14"	14"	7	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K91	000000

For Round Openings

1 lbf Maximum Magnetic Pull—Filters with a maximum magnetic pull of 1 lbf catch nails, bolts, washers, staples, and other large iron metal objects.

	OD	No. of Magnetic Rods	Rod Dia.	Spacing Between Rods	Magnet Material	Frame Material	Rod Material		Each
1 lbf Maximum Magnetic Pull



	6"	5 7/8"	3	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K41	0000000


	8"	7.56"	4	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K43	000000
	10"	9.94"	5	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K47	000000
	12"	11 1/2"	6	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K49	000000

Magnetic Rod Filters with Guide Rods

The guide rods direct flow to the magnetic rods. These filters are helpful in removing dry ferrous metal scrap and particles from fine powder and low-flow applications. Mount inside gravity hoppers, chutes, drawers, housings, and surge-and-catch bins. Magnets are sealed in the magnetic rod.

For Rectangular Openings

1 lbf Maximum Magnetic Pull—Filters with a maximum magnetic pull of 1 lbf catch nails, bolts, washers, staples, and other large iron metal objects.

			For Opening
	Lg.	Wd.	Lg.	Wd.	No. of Magnetic Rods	Rod Dia.	Spacing Between Rods	Magnet Material	Frame Material	Rod Material		Each
1 lbf Maximum Magnetic Pull



		6"	6"	6"	6"	3	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K51	0000000


		8"	8"	8"	8"	4	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K53	000000
		10"	10"	10"	10"	5	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K56	000000
		12"	12"	12"	12"	6	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K58	000000
		14"	14"	14"	14"	7	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K92	00000000

For Round Openings

1 lbf Maximum Magnetic Pull—Filters with a maximum magnetic pull of 1 lbf catch nails, bolts, washers, staples, and other large iron metal objects.

	OD	No. of Magnetic Rods	Rod Dia.	Spacing Between Rods	Magnet Material	Frame Material	Rod Material		Each
1 lbf Maximum Magnetic Pull



	6"	5 7/8"	3	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K61	0000000


	8"	7.938"	4	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K62	000000
	10"	9.94"	5	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K63	000000
	12"	11 1/2"	6	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K64	000000
	14"	13.938"	7	1"	1"	Ferrite Ceramic	304 Stainless Steel	304 Stainless Steel	5710K65	000000

Magnetic Filter Rods

Replace individual rods in an existing filter or create a custom filter. Magnets are sealed in the rod.

1 lbf Maximum Magnetic Pull—Rods with a maximum magnetic pull of 1 lbf. catch nails, bolts, washers, staples, and other large iron metal objects.

			Mounting Holes
	Lg.	Rod Dia.	No. of	Thread Size	Magnet Material	Rod Material		Each
1 lbf Maximum Magnetic Pull



		6"	1"	2	1/4"-20	Ferrite Ceramic	304 Stainless Steel	5758K22	000000


		8"	1"	2	1/4"-20	Ferrite Ceramic	304 Stainless Steel	5758K23	00000
		10"	1"	2	1/4"-20	Ferrite Ceramic	304 Stainless Steel	5758K24	00000
		12"	1"	2	1/4"-20	Ferrite Ceramic	304 Stainless Steel	5758K25	000000

Magnetic Plate Filters


Direct Mount	Hinged Mount

Pull iron metal scrap and particles out of your process line as it moves through chutes and hoppers. Mount flush with the surface of your container; position below the flow of material.

Direct Mount—Direct-mount filters bolt directly to chutes and hoppers. Can also be installed up to 3” above conveyor belts.

Hinged Mount—Hinged-mount filters provide access to clean the magnetic surface. You can also mount as a door on chutes and hoppers.

				For Opening			Mounting Holes			Housing		Direct Mount		Hinged Mount
	Lg.	Wd.	Ht.	Lg.	Wd.	Mounting Hardware Included	No. of	Dia.	Magnet Material	Material	Construction		Each		Each
2.5 lbf Maximum Magnetic Pull



		8"	10"	2 1/8"	6"	8 3/4"	No	4	5/16"	Ferrite Ceramic	Steel	Welded	5858K43	0000000	5858K83	0000000


		8"	12"	2 1/8"	6"	10 3/4"	No	4	5/16"	Ferrite Ceramic	Steel	Welded	5858K44	000000	5858K84	000000
		8"	16"	2 1/8"	6"	14 3/4"	No	4	5/16"	Ferrite Ceramic	Steel	Welded	5858K46	000000	5858K86	000000
		8"	24"	2 1/8"	6"	22 3/4"	No	4	5/16"	Ferrite Ceramic	Steel	Welded	5858K51	000000	5858K89	000000