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MoS₂, WS₂, hBN & PTFE Lubricant Additive Powders

Lower Friction supplies dry lubricant additive powders in nano, submicron and micron grades, including MoS₂, WS₂, hBN and micronized PTFE. These solid lubricant powders can be evaluated in oils, greases, coatings, polymers, dry films and other industrial formulations.

Material selection depends on the required lubrication function, carrier system, particle size, operating temperature, load, atmosphere and processing requirements. Lower Friction supplies grades for laboratory evaluation, product development and industrial procurement.

Product scope: Nano, submicron and micron grade powders of raw solid lubricant additive. They are designed to be used in technical evaluations of compatible oils, greases, coatings, polymers and other industrial formulations. They are not full lubricant additive packages or treatments.

Available dry lubricant additive powders

Product family	Grade / SKU	Listed particle size	Common evaluation / selection
Tungsten Disulfide Powder	MK-WS2-06	0.6 micron listed	WS₂ lubricant additive for oils, greases, dry films, high-load sliding surfaces and precision components.
Molybdenum Disulfide Powder	MK-MoS2-15 / 45 / 125	1.5, 4.5, 12.5 micron; nano grades on request	Lubricant additive for oil, grease, dry lubrication, metal forming, coatings, polymers and vacuum.
Hexagonal Boron Nitride Powder	Multiple grades	70 nm; 0.5, 1.5, 5, 30 micron	High-temperature lubrication, release, thermal management, coatings.
Micronized PTFE Powder	MK-PTFE-270	3 micron (D50 ≤3 micron)	Dry lubricant additive for oils, greases, coatings, inks and polymers.

Specification note: Particle size, purities, packaging and performance parameters are dependent on material and grade. Nano, submicron and micron powders can have different dispersion, settling, film formation, filtration and finished system performance characteristics.

Solid lubricant additive comparison

The table below compares typical published properties of WS₂, MoS₂, hBN and PTFE powders to help shortlist a material for evaluation.

Property	WS₂	MoS₂	hBN	PTFE
Typical dry coefficient of friction	~0.03	~0.03–0.06	~0.15–0.7	~0.05–0.10
Service temperature in air	to ~450 °C	to ~350 °C	to ~900 °C	to ~260 °C
Service temperature in vacuum or inert gas	to ~1300 °C	to ~1100 °C	to ~1800 °C	to ~260 °C
Load carrying capability	Very high	Very high	Moderate	Low; creeps under load
Behaviour in humid air	Tolerant	Performance drops	Stable	Stable
Behaviour in vacuum	Well suited	Well suited	Application-dependent	Outgassing and creep concerns
Electrical behaviour	Semiconducting	Semiconducting	Insulating	Insulating
Thermal conductivity	Low	Low	High	Very low
Chemical inertness	Good	Good	Excellent	Excellent
Grades listed here	0.6 micron	1.5, 4.5, 12.5 micron	70 nm; 0.5 to 30 micron	3 micron

Selection note: Values shown are typical published material properties and are not product specifications or guaranteed performance. Confirm all values against the current TDS and SDS for the selected grade.

Lubricant formulation note: Solid powder can impact viscosity, dispersion stability, filtration, sedimentation, surface finish and compatibility. Performance claims and dosage recommendations should only be made under controlled formulation and application conditions.

Which solid lubricant powder should you evaluate?

Select the requirement closest to your application to see which powder is usually evaluated first.

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Lowest friction under high load

Evaluate first: WS₂ or MoS₂. Both have very low published dry friction values and good load-carrying capability. PTFE has low friction but creeps under sustained load, and hBN has a much higher friction value, so neither is normally the first choice.

Formulating into an oil or grease

Service temperature above 400 °C

Release and anti-stick surfaces

Vacuum, humid or wet environments

Electrical insulation or heat dissipation

Coatings, inks and polymer compounding

Note: This information is a starting point for evaluation and not a recommendation for a specific system. For a detailed comparison, read WS2 vs MoS2: Which Solid Lubricant Should You Use?

Dry lubricant applications and lubricant additive uses

Application	Description	Evaluate first	Not usually suitable
Oil & grease additives	Friction reduction and load carrying	WS₂, MoS₂	hBN
Industrial formulations	Lubricant formulations	WS₂, MoS₂, PTFE	-
Dry / solid-film lubrication	Solid lubricant coatings	WS₂, MoS₂	-
High load / metal forming	Very high pressure lubrication	MoS₂, WS₂	PTFE, hBN
High-temperature release	Anti-stick applications	hBN	PTFE, MoS₂
Coatings, paints and inks	Adjust slip, friction and release	PTFE	-
Polymers	Improve tribological and thermal properties	PTFE, hBN	-
Vacuum mechanisms	Where oils and greases are unsuitable	WS₂, MoS₂	PTFE
Humid or wet service	Where moisture is present in operation	hBN, WS₂, PTFE	MoS₂
Electrical insulation	Where conductivity must be avoided	hBN, PTFE	WS₂, MoS₂

Choosing a solid lubricant additive powder

Selection should not be based on particle size alone. It depends on the intended formulation and operating requirements, including the carrier medium, substrate, application method, operating temperature, load, atmosphere, filtration and clearance, dispersion method and storage stability. Particle size affects suspension, settling, film thickness, surface finish and processing behaviour. A smaller particle size is not always better.

Need help selecting a lubricant additive powder? Send the required carrier medium, intended application, substrate or component, operating temperature, load, atmosphere, target particle size, required quantity and technical-document requirements to Lowerfriction.

Packaging, storage and handling

Item	Information
Product form	Dry powder; appearance varies by material and grade.
Standard packaging	Depends on product and grade.
Custom supply	Custom particle sizes and bulk quantities available.
Storage	Store sealed in a dry, ventilated place; follow the SDS.
Handling	Avoid dust formation and skin and eye contact.
Ventilation	Use local exhaust ventilation where dust is generated.
Personal protection	Wear respiratory, hand and eye protection.
Transport	Varies by grade; verify against the current SDS.
Shelf life	Depends on product and grade.

Safety note: Not all dry lubricant additives are non-hazardous or non-toxic. Hazard classification and handling requirements are based on the material and grade. Prior to storage, handling, testing, processing or transport, read the current Safety Data Sheet.

Product documents

Product family	Category page / technical information
WS₂ Powder	View WS2 Powder Grades
MoS₂ Powder	View MoS2 Powder Grades
hBN Powder	View hBN Powder Grades
PTFE Powder	View PTFE Micronized Powder

Frequently asked questions

What are solid lubricant additives?

What is a lubricant additive?

What are dry lubricants?

Which lubricant additive powder should I choose?

Can solid lubricant powders be used in oils and greases?

Can I request an SDS, sample or bulk quotation?

Buy solid lubricant additive powders

Order or request a quote: From the category page, order or request a quote for the solid lubricant powder (WS₂, MoS₂, hBN, PTFE) required, or contact Lowerfriction to confirm the available grade and particle size, packaging, technical documents, samples and bulk pricing.

Product documentation notice: These are raw dry lubricant additives for technical evaluation. Specifications, hazards, handling requirements and performance differ with material, grade, formulation and application. Read the current product specification, brochure and Safety Data Sheet prior to testing and use.

Technical information notice: Product information is for preliminary evaluation only and does not guarantee performance or suitability. Review the current SDS, TDS, and product specifications, try a small sample first, and confirm suitability before bulk use. Read the full disclaimer