Abrasive Blasting Media | McMaster-Carr

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Abrasive Blasting Material

Sodium Bicarbonate (Baking Soda)

Grit

Weight

Grit Rating

Particle Mesh Size

Minimum Grit

Recommended Blast Pressure

For Use On

Maximum Grit

DFARS Specialty Metals

Material

Sodium Bicarbonate (Baking Soda)

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Export Control Classification Number (ECCN)

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105 Products

Multipurpose Abrasive Blasting Media

Image of Product. Front orientation. Abrasive Blasting Media.

Particle mesh size is the number of holes in a 1"-square screen. As the mesh number gets larger, the number of holes per inch increases, the size of each individual hole decreases, and the media becomes finer. Grit refers to coarseness; the lower the number, the coarser the grit.

Steel Grit—Leaves a textured surface to enhance the bonding ability of paint and other coatings.

Steel Shot—Generates a high-impact force to clean and peen heavy forgings and remove heat-treated scale on steel and other cast metals.

Glass Bead—Round beads remove carbon and surface residue for a smooth, bright finish. It is inert and leaves no residue. Peens aluminum and plastic.

Black Beauty Grit—Also known as black diamond and black blast, it's the best alternative to silica sand. Contains less than 0.1% free silica. It's inert and moisture free. Not recommended for removing paint from aluminum and plastic.

Stainless Steel Shot—Outlasts glass bead and Black Beauty grit by a ratio of 1,000 to 1. It descales nonferrous metals and peens aluminum and plastic. Not recommended for removing paint from aluminum and plastic.

Glass/Aluminum Oxide Grit—A mixture of glass bead and aluminum oxide removes tough corrosion in applications where 100% aluminum oxide is too aggressive.

Ground Glass—A lightweight alternative to sand and grit, it leaves a rough surface.

	Particle Mesh Size	Grit	Recommended Blast Pressure, psi	Wt., lb.		Each
Steel Grit



		25-40	24	100	25	0000000	000000


		25-40	24	100	50	0000000	000000
		50-80	50	100	25	0000000	00000
		50-80	50	100	50	0000000	000000


		Steel Shot



				25-35	30	100	25	0000000	00000


				25-35	30	100	50	0000000	000000
				35-80	60	100	25	0000000	00000
				35-80	60	100	50	0000000	000000


				Glass Bead



						40-60	60-70	20 to 60	10	0000000	00000


						40-60	60-70	20 to 60	50	0000000	00000
						60-120	90-120	20 to 60	10	0000000	00000
						60-120	90-120	20 to 60	50	0000000	00000
						70-140	100-150	20 to 60	10	0000000	00000
						70-140	100-150	20 to 60	50	0000000	00000
						100-170	120-150	20 to 60	10	0000000	00000
						100-170	120-150	20 to 60	50	0000000	00000
						170-325	180-280	20 to 60	10	0000000	00000
						170-325	180-280	20 to 60	50	0000000	00000
						200	240	20 to 60	15	0000000	00000


						Black Beauty Grit



								12-40	16-54	100	50	00000000	00000


								12-40	16-54	100	80	00000000	00000
								20-40	36-54	100	50	00000000	00000
								20-40	36-54	100	80	00000000	00000


								Stainless Steel Shot



										20-40	36-54	60 to 120	25	00000000	000000


										20-40	30	60 to 120	10	00000000	000000
										25-50	46-70	60 to 120	25	00000000	000000
										25-50	36	60 to 120	10	00000000	000000
35-70										54-90	60 to 120	25	00000000	000000
35-70	54									60 to 120	10	00000000	000000
50-140	80-150									60 to 120	25	00000000	000000
50-140	90									60 to 120	10	00000000	000000


Glass/Aluminum Oxide Grit



										50-80	80	20 to 70	10	00000000	00000


		50-80								80	20 to 70	50	00000000	00000
		70-170	220							20 to 70	10	00000000	00000
		70-170	220							20 to 70	50	00000000	00000
		120-170	120							20 to 70	10	0000000	00000
		170-230	180							20 to 70	10	0000000	00000


		Ground Glass



										25-40	30	15 to 120	10	00000000	00000


				25-40	30					15 to 120	50	00000000	00000

Hard Abrasive Blasting Media for Heavy Removal

These abrasives penetrate deep and work fast for rapid and aggressive removal. Particle mesh size is the number of holes in a 1"-square screen. As the mesh number gets larger, the number of holes per inch increases, the size of each individual hole decreases, and the media becomes finer. Grit refers to coarseness; the lower the number, the coarser the grit.

Aluminum Oxide Grit—Sharp, hard, and durable, it prepares surfaces for coating. It also frosts glass.

Silicon Carbide Grit—Quickly cleans granite, ceramics, silicon, quartz, cemented carbides, and other tough materials.

Garnet Grit—More aggressive than other blasting media, it cuts faster while producing less dust.

	Grit	Recommended Blast Pressure, psi	Wt.		Each
Aluminum Oxide Grit



	—	240	20 to 65	6 oz.	0000000	00000


	—	240	20 to 65	5 lb.	0000000	00000
	18-50	36	60 to 100	10 lb.	0000000	00000
	18-50	36	60 to 100	50 lb.	0000000	000000
	25-70	46	60 to 100	10 lb.	0000000	00000
	25-70	46	60 to 100	50 lb.	0000000	000000
	35-100	60	60 to 100	10 lb.	0000000	00000
	35-100	60	60 to 100	15 lb.	0000000	00000
	35-100	60	60 to 100	50 lb.	0000000	000000
	45-140	80	60 to 100	10 lb.	0000000	00000
	45-140	80	60 to 100	50 lb.	0000000	000000


	70-270	120	60 to 100	10 lb.	0000000	00000
	70-270	120	60 to 100	15 lb.	0000000	00000
	70-270	120	60 to 100	50 lb.	0000000	000000
	80-325	150	60 to 100	10 lb.	0000000	00000
	80-325	150	60 to 100	50 lb.	0000000	000000
	100-400	180	60 to 100	10 lb.	0000000	00000
	100-400	180	60 to 100	50 lb.	0000000	000000
	120-450	220	60 to 100	10 lb.	0000000	00000
	120-450	220	60 to 100	15 lb.	0000000	00000
	120-450	220	60 to 100	50 lb.	0000000	000000


	230-325	280	60 to 100	10 lb.	0000000	00000
	230-325	280	60 to 100	50 lb.	0000000	000000
	270-400	320	60 to 100	10 lb.	0000000	00000
	270-400	320	60 to 100	50 lb.	0000000	000000
	325-400	360	60 to 100	15 lb.	0000000	00000
	325-500	400	60 to 100	10 lb.	0000000	00000
	325-500	400	60 to 100	50 lb.	0000000	000000


	Silicon Carbide Grit



			80-230	100-120	20 to 120	10 lb.	0000000	00000


			80-230	100-120	20 to 120	50 lb.	0000000	000000
			140-450	180-220	20 to 120	10 lb.	0000000	00000
			140-450	180-220	20 to 120	50 lb.	0000000	000000
			140-500	280	20 to 120	10 lb.	0000000	00000
			140-500	280	20 to 120	50 lb.	0000000	000000


			Garnet Grit



					20-40	36	60 to 120	10 lb.	0000000	00000


					20-40	36	60 to 120	50 lb.	0000000	00000
					30-60	54	60 to 120	10 lb.	0000000	00000
					30-60	54	60 to 120	50 lb.	0000000	00000

Soft Abrasive Blasting Media for Delicate Materials

Prevent scratching and marring the surface of delicate materials. Particle mesh size is the number of holes in a 1"-square screen. As the mesh number gets larger, the number of holes per inch increases, the size of each individual hole decreases, and the media becomes finer. Grit refers to coarseness; the lower the number, the coarser the grit.

Walnut Shell—Soft-grit shells clean, polish, and debur soft metals, fiberglass, plastic, wood, and stone.

Corn Cob—Use for delicate parts. Clean metal, wood, fiberglass, plastic, and masonry. It won't frost glass, pit aluminum, or damage surfaces.

Plastic Grit—Easily removes coatings and build-up without marring and warping.

Sodium Bicarbonate (Baking Soda)—Scours almost any material. After use, it can be washed away with water.

	Grit	Recommended Blast Pressure, psi	Wt., lb.		Each
Walnut Shell



	8-12	14	20 to 90	15	0000000	000000


	8-12	14	20 to 90	50	000000	00000
	12-20	16-24	20 to 90	15	0000000	00000
	12-20	16-24	20 to 90	50	000000	00000
	20-30	36	20 to 90	15	0000000	00000
	20-30	36	20 to 90	50	000000	00000


	Corn Cob



			10-14	16	20 to 80	10	00000000	00000


			10-14	16	20 to 80	40	00000000	00000
			14-20	20-30	20 to 80	10	00000000	00000
			14-20	20-30	20 to 80	40	00000000	00000
			20-40	36-54	20 to 80	10	00000000	00000
			20-40	36-54	20 to 80	40	00000000	00000


			Plastic Grit



					12-16	16-20	40 to 60	25	0000000	000000


					16-20	24-30	40 to 60	25	0000000	000000
					20-30	36	40 to 60	25	0000000	000000


					Sodium Bicarbonate (Baking Soda)



							40	54-60	20 to 120	10	0000000	00000


							40	54-60	20 to 120	50	0000000	00000
							60	80-90	20 to 120	10	0000000	00000
							60	80-90	20 to 120	50	0000000	00000

Cleaners for Tumbling


Bottle	Jug	Pail

Control media residue so it isn’t transferred to your parts. Mix 1 to 4 oz. of compound with 1 gallon of water and then add the solution to your media.

		1 qt. Bottle		1 gal. Jug		5 gal. Pail
For Use On	For Media Material		Each		Each		Each
Steel, Stainless Steel, Titanium, Aluminum, Brass, Bronze, Copper, Iron, Nickel, Gold	Ceramic, Plastic, Porcelain	00000000	000000	00000000	000000	00000000	0000000

Degreasers for Tumbling


Bottle	Jug	Pail

Clean grease and oil from parts. Mix 1 to 4 oz. of compound with 1 gallon of water and then add the solution to your media.

		1 qt. Bottle		1 gal. Jug		5 gal. Pail
For Use On	For Media Material		Each		Each		Each
Stainless Steel, Titanium, Aluminum, Brass, Bronze, Copper, Nickel, Gold	Ceramic, Plastic, Porcelain, Steel	0000000	000000	0000000	000000	0000000	0000000

Rust Removers for Tumbling


Bottle	Jug	Pail

Remove scale and surface rust on parts and stored steel media. Mix 1 to 4 oz. of compound with 1 gallon of water and then add the solution to your media. To prevent future rust buildup, protect parts from oxygen by coating with a cleaner (not included).

		1 qt. Bottle		1 gal. Jug		5 gal. Pail
For Use On	For Media Material		Each		Each		Each
Steel, Stainless Steel, Titanium, Aluminum, Brass, Bronze, Copper, Iron, Nickel, Gold	Ceramic, Plastic, Porcelain, Steel	0000000	000000	0000000	000000	0000000	0000000