High Purity 99.7% Nonporous Alumina Ceramic Tubes

• Application: Refractory, Structure Ceramic, Industrial Ceramic, Insulation Ceramic
• Type: Ceramic Tube, Ceramic Tubes
• Surface Finish: Polished, Glazed, Metalized
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Customized
• Optional Material: Zirconia, Silicon Nitride, Aluminum Nitride
• Precision Tolerance: Od to Be +/-0.005, ID to Be +/-0.01mm
• Product Name: Ceramic Tubes
• Forming Methods: Extrusion, ISO Pressed, Dry Pressed
• Purity of Material: Range From 40% to 99.8%
• Color: White, Ivory, Pink, Black
• Density: Over 3.65g/cm3
• Shape: Round, Square, Oval, Half Tube
• Norminal Tolerance: 1% of Dimensions
• Certificate: RoHS, Reach, ISO9001:2015
• Features: Wear Resistance, Insulation
• Material: Alumina Ceramic
• Transport Package: Individual Packaging
• Specification: Max. OD to be 800mm
• Trademark: JingHui
• Origin: China
• HS Code: 8547100000
• Production Capacity: 5000000/Month
• Package Size: 36.00cm * 20.00cm * 24.00cm
• Package Gross Weight: 8.000kg

Product Description

Al2O3 Ceramic Tube with Multi Bores

The specification

 

1. Material: 95%, 99%, 99.5% and 99.8% alumina optional

2. Forming methods: Extrusion, Dry pressed, CIM, ISO pressed

3. Dimensional capability:  ID with min.1mm,  OD with max .800mm

4. Dimensional tolerance:  OD with 0.005mm, ID with 0.01mm

5. Surface treatment: polished, glazed, or metalized

6. Secondary processing: CNC machining, lapping, threading, drilling, grinding, precision laser cutting

7. Types: Round tubes, square tubes, tubes with multiple holes
 

The Prime Characteristics

 

1. High-temperature resistance, up to 2000ºC in the vacuum atmosphere

2. Outstanding wear resistance, over 276 times in comparison with traditional stainless steel

3. Great mechanical properties, offers diamond-like hardness to be HRA85 

4. Exceptional corrosion resistance, it can withstand various strong acids and alkalis, like HCL, H2SO4

5. Extraordinary electrical insulation, is always used in various high-voltage, high-current application

6. High-precision dimensions with ideal fitting relationship

The Description of Alumina Tubes
Alumina(Aluminum Oxide, Al2O3) is the most extensively used advanced ceramic material due to its outstanding property characteristics and cost-effective advantage. As the purity increases, both wear resistance and corrosion resistance also increase, so alumina is grouped together based on purity levels, including 75% alumina, 85% alumina, 90% alumina, 95% alumina, 99% alumina, 99.5% alumina, 99.8% alumina, 99.9% alumina.

Alumina ceramic tubes are generally used as a kind of standard protection part, so our facility has many selections of stocks. Our vast, readily available inventory allows us to supply our customers' ceramic tube needs immediately, even for hard-to-find or specialty products. Aluminas are used in a variety of general-purpose applications, and their grade is chosen based on the application environment. Additionally, different purity alumina can be formulated in our factory if needed for more demand applications

Products category

Remark:

We are dealing with a variety of advanced ceramic tubes in a selection of raw materials, mainly including alumina, zirconia, silicon nitride, aluminum nitride, silicon carbide, and so on.
 

Product Parameters

Technical Datasheet of advanced ceramic materials

General	Properties	Unit	99.5% Al2o3	99% Al2O3	96% Al2O3	Steatite	YTPZ ZrO2	SiC
Mechanical	Volume Density	g/cm ^3	≥3.90	≥3.85	≥3.65	≥2.70	≥6.0	≥3.13
	Hardness	HRA	1700	1700	1500	800	1300	2500
	Porosity	%	0	0	0	0	0	0
	Compressive Strength	Mpa	≥2240	≥2240	≥2000	≥551	≥1990	≥ 2200
	Bending Strength	Mpa	≥379	≥338	≥320	≥190	≥1200	≥400
	Elastic Modulus	Gpa	370	350	303	110	210	400
Thermal	Thermal Conductivity	W/m.K	30	29	24	2.5	3	120~150
	Coefficient of Thermal Expansion	1*10^-6 m/k	6.5~8.0	6.2~8.0	5.0~8.0	7.7~8.0	8.0~9.5	4
Electrical	Insulation Breakdown	KV/mm	19	18	18	10	17	-
	Volume Resistivity	Ohm.Cm	>1*10^14	>1*10^14	>1*10^14	>1*10^13	>1*10^11	5*10^6

 

Why choose us?

Our advantage and strength

1. Own in-house comprehensive types of manufacturing equipment

2. With over 12 years of manufacturing experience in OEM, ODM

3. The rigorous and complete quality control system, including IQC, IPQC, OQC, and QA, also CPK, AQL

4. Support special and custom-made needs, including prototyping and R&D cases, or serial massive demands.

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