Black Zirconia Ceramic Parts Made to Drawing

What Are Black Zirconia Ceramic Parts?

Black zirconia ceramic parts are structural ceramic components made from zirconia with carbon powder added to the formulation. The carbon is what makes the material black; it does not change the part into a metal, and it does not by itself make the part conductive or antistatic.

The material is chosen when a component has to combine wear resistance, dimensional stability and a non-metallic, dark surface, and when the assembly can accept a brittle material. Because ceramic is brittle, most black zirconia parts in service fail for assembly or interface reasons rather than because the material is too soft.

Black Zirconia Ceramic Specifications

The four items below are the standard supply index for this product family: a rod, a pin, a ring and a substrate, each quoted as Customize. They are starting points for an inquiry, not fixed stock sizes. Length and width are confirmed against your drawing, your equipment interface or your worn sample.

Black Zirconia Rod
Item No.	Length(mm)	Width(mm)
AT-HG-B1001	Customize
Black Zirconia Ceramic Pin
Item No.	Length(mm)	Width(mm)
AT-HG-X1001	Customize
Black Zirconia Ceramic Ring
Item No.	Length(mm)	Width(mm)
AT-HG-H1001	Customize
Black Zirconia Ceramic Substrate
Item No.	Length(mm)	Width(mm)
AT-HG-J1001	Customize

Download the Product Catalogue

Black zirconia ceramic Properties

Property (typical)	Unit/condition	AD-ZRO-3Y	AD-ZRO-8Y	AD-ZRO-MG	AD-ZRO-CA
System	Material identity	3Y-TZP / Y-TZP	8Y-FSZ / 8YSZ	Mg-PSZ / MSZ	Ca-PSZ / CSZ
Stabilizer	Nominal basis	Y₂O₃, about 3 mol%	Y₂O₃, about 8 mol%	MgO stabilized	CaO stabilized
Color	Visual reference	White	Not listed	Ivory	White
Bulk density	g/cm³	6.00–6.08	5.90	5.70–5.80	5.60–5.75
Flexural strength	MPa; 20 °C	800–1000	300	500–755	400–600
Compressive strength	MPa; 20 °C	2000–3500	/	2100	2000–2500
Vickers hardness	GPa	12.5	12.3	11.5	10–11
Fracture toughness KIC	MPa·m½; 20 °C; method-dependent	7.2–9.0	3.5–4.0	6–12	5–8
Young's modulus	GPa; 20 °C	200–220	/	200	180–200
Poisson's ratio	Dimensionless	0.3	/	0.28	0.30
Water absorption	%; dense sintered body	0	/	0	0
Thermal conductivity	W/(m·K); 20 °C	3	/	2.5	2

How to Choose the Right Black Zirconia Form

Choose by the part’s function, then define its dimensions and operating conditions.

Rod or Shaft

For support, guiding, rotation or sliding.

Specify diameter, length, solid or bored construction, support span and shoulders.
Include straightness, runout and mating material.

For locating, guiding or repeated contact.

Define the tip, shoulder, mating bore, fit and insertion method.
State side loads, shear loads and assembly frequency.

Ring or Sleeve

For spacing, guiding or sealing surfaces.

Specify OD, ID, wall thickness, face geometry and mating surfaces.
For sealing duty, provide pressure, speed and leakage targets, with agreed testing.

Plate or Substrate

For mounting or functional surfaces.

Define length, width, thickness, holes, flatness, finish, edges and cleanliness.
Include optical or electrical targets and measurement methods where required.

Black Colour Requirements

If colour, gloss or batch consistency matters, provide a reference sample and agree acceptance criteria before production.

Black Zirconia vs. White Zirconia vs. Alumina

Black Zirconia

For parts requiring dark colour, visual contrast or a marking surface.

Combines zirconia’s hardness and wear resistance with a carbon-added formulation.
Confirm the formulation, colour, gloss and any reflectance requirements for each order.

White Zirconia

For parts requiring zirconia’s toughness without a dark surface.

Usually offers more standard material options.
A practical choice when a light-coloured surface meets the application requirements.

Alumina (Al₂O₃)

For economical guides, spacers and wear plates.

Generally costs less than zirconia and suits steady abrasive wear.
Has lower fracture toughness, so impact and edge loading need careful review.

How to Decide

Review assembly loads and impact first, then colour and surface requirements, followed by cost. Send the drawing and operating conditions if you need help comparing materials.

Explore our black zirconia rods and shafts, pins, seal rings and substrates.

Applications of Black Zirconia Ceramic Parts

Black zirconia parts are used where a non-metallic, wear-resistant component with a dark surface suits the assembly. The four areas below are the most common starting points; in each one, the review focuses on the interface rather than on a general performance claim.

Automation, electrical and handling equipment

Used for locating pins, guide parts, insulating spacers and contact components in automated equipment. Confirm the mating materials on both sides, the fit and insertion method, and whether the position needs electrical clearance or an antistatic target — a black-pigmented ceramic is not automatically conductive, so an electrical requirement has to be stated with its resistance range and test conditions.
Metering, dosing and fluid handling

Used for plungers, valve and pump components, and wear parts in dosing and fluid systems. Confirm the medium, its concentration and pH, the operating temperature, the pressure and the cleaning method. Components that have to hold a seal should be reviewed as a sealing duty, including the leakage target and the counterface.
Furnace, metallurgical and high-temperature equipment

Used for supports, spacers and isolation parts inside controlled-atmosphere equipment. Confirm the steady and peak temperature, the atmosphere, the heating and cooling rate, the cycles, and the thermal expansion of every material in the assembly. Ceramic-to-metal joints move differently with temperature, so the fixing method has to allow for that movement.
Instrumentation and optical equipment

Used where a dark, low-reflection surface or a non-metallic contact is required, for example in fixtures and sensing positions. Confirm the flatness, surface finish and cleanliness the process needs, and state any optical or electrical target together with the measurement method so it can be verified on the first article.

Guidelines for Installing and Using Black Zirconia Ceramic Parts

Interface and Fixation

1. Confirm fit, contact length and lead-in geometry.
2. Use supports and fixation methods that avoid concentrated stress on the ceramic. Review clamping, bonding or fastening before assembly.
Installation

1. Clean mating surfaces and remove burrs or residue.
2. Follow approved press-fit forces and tightening torques. Never force a tight fit or use the ceramic as a lever.
3. Use screws only where the hole and support arrangement are designed for the load.
Operating Environment

1. Confirm speed, load, temperature cycles, medium and atmosphere with the equipment maker.
2. Review high-speed operation, plasma/RF exposure, UV and alkaline atmospheres separately. Include shaft alignment, balance and support.
Cleaning

1. Confirm compatibility with the formulation, finish and assembly. Ethanol or pH-neutral ultrasonic cleaning may be suitable.
2. Avoid hydrofluoric acid, fluoride-salt mixtures, abrasive media and sharp metal tools.
Storage

1. Keep parts dry in separate padded compartments; retain suitable original PE foam.
2. Avoid ceramic-to-ceramic contact, heavy stacking, prolonged UV exposure and alkaline atmospheres.
First-Article Check

1. Inspect dimensions, datums, surfaces and edges against the drawing.
2. Verify fit and function in the intended assembly. Record critical dimensions as a baseline for future wear checks.

Black Zirconia Ceramic Parts FAQ

What types of black zirconia ceramic parts do you supply?
We supply rods, shafts, pins, rings, sleeves, plates and substrates to drawing. Other geometries can also be reviewed.
How is the black colour produced and controlled?
The black colour comes from a carbon-based additive in the zirconia formulation. Where appearance matters, we agree a colour sample and batch acceptance criteria before production.
Can black zirconia parts handle corrosive fluids?
Suitability depends on the medium, concentration, pH, temperature, pressure and exposure time. Include these details in your enquiry. Aggressive fluoride-bearing media require separate assessment.
Are black zirconia parts magnetic, conductive or antistatic?
Magnetic requirements must be checked against the specific formulation. Black colour alone does not establish conductive or antistatic performance.
For controlled electrical behaviour, specify the resistance range, test voltage and measurement conditions.
Should I choose black zirconia or alumina?
Zirconia: Consider it where toughness, impact or edge loading matters.
Alumina: Consider it for steady wear, lower cost and standard shapes.
Black zirconia: Choose it when dark colour or visual contrast serves a function. Specify any reflectance requirement separately.
Can you reproduce a broken or worn part?
Yes. Send photos, the sample if available, and any drawing, part number or equipment model. Describe where the damage started.
We confirm the original dimensions and functional surfaces before production, since wear can change the sample’s geometry.
What information is needed for a quotation?
Start with a drawing, sketch, photo or sample, plus quantity and intended use.
For a more precise quotation, include:
Geometry: Dimensions, datums, tolerances and mating fit.
Surface: Finish, edge requirements and cleaning method.
Service: Load, motion, temperature, medium and any electrical test targets.
Missing details can be defined during the review.

Catalog No.	AT-HG-B1001
Material	Black zirconia — zirconia with carbon added for the black color
Supply basis	Drawing-based, from sketch or sample review to first article
Part forms	Rods and shafts, pins, rings, plates and substrates
Dimensions/Sizes	Download PDF

Black Zirconia Ceramic Parts for Drawing-Based Projects

What Are Black Zirconia Ceramic Parts?

Black Zirconia Ceramic Specifications

Black zirconia ceramic Properties