Product Details

Specifications

zirconia ceramic ring
professional manufacture
10 years experience
Extremely Tough and Superstrong
Wear and Heat Resistan

Zirconia ceramics/ ellow zirconic ceramics ring/ zirconia ceramic wire drwaing

Product Description

Specially formulated for wire drawing applications. This fine-grained zirconia ceramic

provides extreme Hardness, an exceptionally smooth wire drawing surface and

excellent corrosion resistance.

Hardness

Specially formulated, zirconia ceramic is the most man-made material for wear applications such as wire drawing capstans.

Corrosion Resistance

Specially formulated, zirconia ceramic is highly resistance to attack by corrosion problems(chemical contents used in processing of wire drawing).

The corrosion resistance fo zirconia ceramic is far superior to metal.

Surface Finish

The superior surface by high polish processing result in high quality of the drawn wire plus extended die life.

Originality Providing excellent hardness, corrosion resistance, superior surface finish, ceramic capstans attained worldwide estimation in wire drawing industries field.

Product Description In order to meet the needs of high quality and productivity of metal wire drawing machines production,our company has successfully developed the ZrO2 ceramic wire drawing capstans with the strong technical supports from the relative university and research institutes.The ZrO2 ceramics is a type of new hi-tech with the following advantages which compared with traditional AI2O2 ceramics.

1. High strength and fracture toughness

2. High hardness and wear resistance

3. its coefficient of thermal expansion almost attain the common metal

4. Low thermal conductivity Featured with high strength and fracture toughness,ZrO2 ceramics has been well known as the ceramics steel.

Ceramic product performance parameter list
Item	Test Condition	Unit Symbol	95% Al₂O₃	99% Al₂O₃	ZrO₂	Si₃N₄
Bulk Density		g/cm³	≥3.6	≥3.7	≥5.8	≥3.2
Acid Resistance	1:9HCl	mg/cm²	≤7	≤0.7
Alkali Resistance	10% NaOH	mg/cm²	≤0.2	≤0.1
Tensile Strength	25°C	Mpa	≥160	≥190	≥320
Flexural Strength	25°C	Mpa	≥280	≥300	≥1000	≥700
Thermal Shock Resistance	The sample in 800±10°C heating furnace heat preservation 30 minutes, removed in a asbestos board, naturally cooled to room temperature, repeat 10 times, no crack and burst phenomenon.
Coefficient of Linear Expansion	20-500°C	1X 10^-6/°C	6.5-7.5	6.5-7.5	9.5-10.5	3.1-3.3
Coefficient of Linear Expansion	20-800°C	1X 10^-6/°C	6.5-8.5	6.5-8.5	9.5-10.5	3.1-3.3
Young's Modulus of Elasticity		Gpa	≥280	≥280	≥210	≥300
Dielectric Loss	1MHz 20°C	1X 10^-4	≤4	≤2.5
Dielectric Constan	1MHz 20°C		9-10	9-10.5
Volume Resistivity	100°C	Ωcm	≥10¹³	≥10¹³
	300°C	Ωcm	≥10¹⁰	≥10¹⁰	≥10¹⁰	≥10¹⁸
	500°C	Ωcm	≥10⁸	≥10⁹
Dc Breakdown Strength	D.C.	Kv/mm	≥18	≥15
Vickers Hardness		Mpa	1600	1650	1200	1600
Fracture Toughness		MPam^½	3.8	4.2	10	7
Poisson's Ratio			0.22	0.25	0.3	0.25