Boron Nitride | McMaster-Carr

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49 Products

About Grease

About Lubricants

Color: White
Temperature Range: 32° F to 1,020° F
Fabrication: Sintered
Electrical Properties: Electrical Insulating
Dielectric Strength: 1,270 V/mil
Porosity: 7%
Compressive Strength: 16,000 psi

Also known as white graphite, boron-nitride ceramic is an excellent electrical insulator that is often used in high-temperature, high-power electrical applications, such as arc welding and semiconductor equipment. It's a low-friction material with a slippery feel.

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

Sheets

Thick.	Thick. Tolerance	Wd.	Lg.		Each
1/16"	-0.010" to 0.010"	3"	5"	00000000	0000000
1/8"	-0.010" to 0.010"	5"	6"	00000000	000000
1/4"	-0.010" to 0.010"	5"	12"	00000000	000000
3/8"	-0.010" to 0.010"	5"	6"	00000000	000000
3/8"	-0.010" to 0.010"	5"	12"	00000000	000000
1/2"	-0.010" to 0.010"	5"	12"	00000000	00000000

Bars

			6" Lg.		12" Lg.
Thick.	Thick. Tolerance	Wd.		Each		Each
1/8"	-0.010" to 0.010"	1/8"	00000000	000000	00000000	000000
1/4"	-0.010" to 0.010"	1/4"	00000000	00000	00000000	000000
3/8"	-0.010" to 0.010"	3/8"	00000000	00000	00000000	000000
1/2"	-0.010" to 0.010"	1/2"	00000000	000000	00000000	000000
3/4"	-0.010" to 0.010"	3/4"	00000000	000000	00000000	000000
1"	-0.010" to 0.010"	1"	00000000	000000	00000000	000000
1 1/2"	-0.010" to 0.010"	1 1/2"	00000000	000000	00000000	000000
2"	-0.010" to 0.010"	2"	00000000	000000	00000000	00000000

Electrical-Insulating Boron-Nitride Ceramic Rods

Color: White
Temperature Range: 32° F to 1,020° F
Electrical Properties: Electrical Insulating
Dielectric Strength: 1,270 V/mil
Porosity: 7%
Compressive Strength: 16,000 psi

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

		6" Lg.		12" Lg.
Dia.	Dia. Tolerance		Each		Each
1/8"	0.000" to 0.020"	00000000	000000	00000000	0000000
1/4"	0.000" to 0.020"	00000000	00000	00000000	000000
3/8"	0.000" to 0.020"	00000000	00000	00000000	000000
1/2"	0.000" to 0.020"	00000000	000000	00000000	000000
3/4"	0.000" to 0.020"	00000000	000000	00000000	000000
1"	0.000" to 0.020"	00000000	000000	00000000	000000
1 1/4"	0.000" to 0.020"	00000000	000000	00000000	000000
1 1/2"	0.000" to 0.020"	00000000	000000	00000000	000000

Dry-Film Lubricants

These lubricants go on wet for easy application. Once dry, they form a nonstick film that won't attract dust. Use them for general purpose lubricating in most applications.

Lubricants with boron nitride resist corrosion from salt water and won’t wash off. Lubricants with ceramic are often used in extreme-temperature applications, such as welding, metal processing, and glassmaking. Dilute 1-gallon pail with water before using.

Container					Each		Package
Size	Net Weight	Type	Additive	Temp. Range, °F		Each	Pkg. Qty.		Pkg.
DuPont® Non-Stick Dry Film Lubricant
__	14 oz.	Aerosol Can	Boron Nitride	-100° to 480°	00000000	000000	6	00000000	000000
Lubricants
__	13 oz.	Aerosol Can	Boron Nitride, Ceramic	32° to 1560°	00000000	00000	12	000000000	000000
1 gal.	__	Pail	Boron Nitride, Ceramic	32° to 1560°	00000000	000000	__	000000	00

Bearing Grease

This grease is wear resistant for use in a wide range of bearing types.

NLGI viscosity grade is a rating of a grease's consistency. NLGI 2 is about the consistency of peanut butter.

Grease with boron nitride thickener has excellent heat resistance and good moisture and oxidation resistance.

Grease lubricates most efficiently within the listed temperature range. Melting temperature is the point at which grease will fail and run out of equipment, leaving it to run dry. Nonmelting grease can be used at temperatures above the maximum temperature briefly, but then will break down more quickly.

Chemours Krytox™ grease is long lasting with an indefinite shelf life. Krytox™ XHT grease can be used at extremely high temperatures.

		Container					Each
NLGI Viscosity Grade	Base Oil	Size, fl. oz.	Type	Temp. Range, °F	Melting Temp., °F	Color		Each
Chemours Krytox™ XHT-BDX—Boron Nitride Thickener
2	Synthetic	2	Tube	5° to 660°	Not Rated	White	00000000	0000000
2	Synthetic	8	Tube	5° to 660°	Nonmelting	White	00000000	000000
2	Synthetic	14	Grease Gun Cartridge	5° to 660°	Nonmelting	White	00000000	00000000

Non-Bonding Heat Transfer Compounds

Heat Transfer Compound

Also known as thermal paste, these boron-nitride compounds increase heat transfer between parts while preventing them from sticking. Unlike antiseize compounds, they don't conduct electricity, so you won't risk shorting out sensitive electronics. They're often used on thermocouple probes to improve accuracy. You can also use them in 3D printer heating blocks and other high-temperature areas to keep parts from fusing together.

Container
Size, fl. oz.	Type	Chemical	Max. Temp.	Thermal Conductivity	Color	Includes	For Use On	Compatible With		Each
0.2	Syringe	Boron Nitride	1,562º F 850º C	31.4 W/m-K @ 212° F	White	Three Applicator Brushes	3D Printer Extruder Heating Elements, Electrical Components	Aluminum, Brass, Copper, Iron, Nickel, Stainless Steel, Steel, Titanium	0000000	000000
1	Syringe	Boron Nitride	1,562º F 850º C	31.4 W/m-K @ 212° F	White	__	3D Printer Extruder Heating Elements, Electrical Components	Aluminum, Brass, Copper, Iron, Nickel, Stainless Steel, Steel, Titanium	0000000	00000

Additives and Fillers for Paints, Coatings, and Lubricants

When mixed into coatings, resins, polymers, and metals, these fillers enhance strength, conductivity, lubricity, and other physical properties.

		Container
Material	Concentration	Net Weight	Type	Material	Form	Particle Size	CAS Number		Each
Boron Nitride	99%	2 oz.	Jar	Plastic	Powder	0.07 microns	10043-11-5	0000000	0000000

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