Precision Machining Zirconia Ceramic Roller/Sleeve/Spacer

Basic Info.

Model NO.	NA
Tolerance	+/-0.01mm
Size	According to Drawings
Transport Package	Box/Carton/Wooden Case
Specification	Customized
Trademark	Hard
Origin	China
HS Code	8547100000
Production Capacity	1000PCS/Month

Product Description

Product DestriptionAlumina and zirconia ceramic sleeve/bushing/tube/ring

We manufacture & supply advanced technical ceramic tubes custom machined to your specific design. Ceramic tubes are finding their way into more and more application due to their highly desirable mechanical, thermal, and electrical properties. Ceramic tubes can be used in extreme environments unlike many other materials. Precision Ceramics has a wide assortment of tube sizes available; depending upon the material, we can machine tubes with incredibly tight tolerances. Additionally, Precision Ceramics has standard size Alumina Tubes available in a variety of sizes and purities. Other materials may be available in custom dimensions and specifications. We are happy to offer material design & application assistance for any special requirements.
Ceramic Tube Applications
• Furnace work tubes
• Kiln furniture, components & accessories
• Thermocouple protection tubes
• Heater Support Elements
• High Temperature Electrical Insulators
• Extreme temperature measurement components
• Ceramic Laser components
• High voltage electrical insulators

Company Information

Factory Show

Our Products
Ceramic Properties

Properties	Units	96% Al2O3	99% Al2O3	Zirconia	Silicon Nitride	Machinable Ceramic
Material Characteristics
Gas Permeability		0	0	0	0	0
Water Absorption	%	0%	0%	0%	0%	0.038%
Colour		White	Ivory	White	Grey	White
Density	g/cm3	3.7	3.85	6	3.2	2.7
Physical Characteristics
Hardness	Kg/mm2	1100	1400	1100	1600	1175
Modulus of Elasticity	Gpa	300	350	200	300	65
Flexural Strength	Mpa	300	340	1150	600	108
Compressive Strength	Mpa	2100	2200	2500	2500	488
Fracture Toughness	Mpam1/2	3.5	4	12	6
Thermodynamic Property
Max Use Temperature	°C	1500	1650	1500	1800	800
Thermal Conductiviey	W/(m.k)	25	27.5	2.5	20	1.68
Thermal Expansion Coefficient	10-6/°C	7.5	8	10	3.2	8.6
Thermal Shock Resistance	△T°C	200	200	250	600	200
Specific Heat	J/kg.K	860	860	500	500
Electrical Specification
Dielectric Strength	KV/mm	12	10	5		40
Dielectric Constant	εr	9.5	9.1	12	6	7
Volume Resistivity	Ω	≥1014	≥1014	≥1010	≥1014	≥1016
Dielectric Loss Angle		0.0002	0.0002	0.001

Packing & Delivery

Why Choose Us?

1.12 years of professional production industrial ceramics factory2. High quality products with low price3. High precision parts with lowest tolerance4. Show time for production5. Has a group of experienced, professional and efficient R&D team6. Has a good reputation in China and abroad. 7. MOQ is not limited, small quantity is welcome. 8. Vigorous team and good after-sales service

FAQ

Q: Are you trading company or manufacturer? A: We are factory.

Q: How long is your delivery time? A: Generally it is 5-10 days if the goods are in stock. Or it is 15-30 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? Is it free or extra? A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance, balance before shippment.
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