High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier
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High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier

High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier

high precision 0.001tolerance alumina ceramic customized rod bar pin supplierReputation depends on quality, quality come
Basic Info.
Model NO. AC-121
Lead Time 10 Days
Water Absorption 0
Alumina Content 92%, 95%, 96%, 99%
Weight Customized
Unit Piece
Color White/Ivory
Density 3.8g/cm3
Transport Package Box/Carton / Plastic Bag / Wooden Case…
Specification Customized
Trademark Hard
Origin Shenzhen, China
HS Code 6903200000
Production Capacity 10, 000, 000PCS/Month
Product Description
high precision 0.001tolerance alumina ceramic customized rod bar pin supplierReputation depends on quality, quality comes from Hard!

Alumina Ceramic:

Alumina ceramics are ceramic materials based on alumina (Al2O3) for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a versatile ceramic. Because of its superior performance, it has been widely used in modern society, satisfying the needs of daily use and special performance.Alumina ceramics are classified into two types: high purity type and normal type.The high-purity alumina ceramics have a Al2O3 content of 99.9% or more. Since the sintering temperature is as high as 1650-1990 ° C and the transmission wavelength is 1 to 6 μm, the molten glass is generally used to replace the platinum crucible; Sexual and alkali-resistant metal corrosion is used as a sodium lamp; it can be used as an integrated circuit substrate and high-frequency insulation material in the electronics industry.Ordinary alumina ceramics are classified into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain, etc. according to the Al2O3 content. Sometimes the Al2O3 content is 80% or 75%, which is also classified as ordinary alumina ceramic series. Among them, 99 alumina ceramic materials are used to make high temperature crucibles, refractory furnace tubes and special wear-resistant materials, such as ceramic bearings, ceramic seals and water valve sheets; 95 alumina ceramics are mainly used as corrosion-resistant and wear-resistant parts; In addition, due to the incorporation of part of talc, the electrical properties and mechanical strength are improved, and it can be sealed with metals such as molybdenum, niobium and tantalum, and some are used as electric vacuum device devices.

Alumina ceramic properties: High hardness, high strength, wear resistance, corrosion resistance, high temperacture (1600°), good thermal diffusivity, good insulativity, low cost etc.

High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier


High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier


High Precision 0.001tolerance Alumina Ceramic Customized Rod Bar Pin Supplier


Data Sheet↓

ItemUnitTypical Values
Physical Properties
Color White/Ivory
Densityg/cm33.85
Alumina Content%92%,95%,96%,99%
Gas permeability0
Water Absorption0
Mechanical Properties
MONS' Hardness82
Vickers Hardness (Hv50)Gpa(Kg/mm²)15.7(1600)
Flexural Strength(20°C)Mpa330
Compressive Strength(20°C)Mpa2000
Fracture Toughness(20°C)MPam1/24
Thermal Properties
Thermal Conductivity(20°C-400°C)W(m.K)27.5
Thermal Expansion Coefficient10-6/°C7.6
Thermal Shock Resistance△T°C200
Maximum Use Temperature°C1650
Electronic Properties
Dielectric StrengthKV/mm>10
Dielectric Constanter9.1
Dielectric Loss Angle(1MHz)0.0002-0.0003
Volume ResistivityΩ.cm>10(14)

Application industry: Machinery, electronic, chemical, petroleum etc.
Specific application: Electrical ceramic substrate, plunger, sealing ring etc.
Company Information

Shenzhen Hard Precision Ceramic CO.,Ltd founded in 2007, located in Shenzhen of China. We are a company that integrates development, design, molding, sintering, production and sales of precision ceramic products. After 10 years of development, we have cooperated with more than 2000 customers and 60 universities; Our factory covers an area of 2000 square meters, 50 employees, and annual production value of nearly 20 million. We have a higher visibility and better reputation in the same industry.Our products include ceramic rods, tubes, plates, blocks and precision parts for industrial. We have all-line high precision equipments from ceramic forming, sintering to precision machining. Hope for a wide range of sincere cooperation with customers at home and abroad.

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 production 5.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
Product ShowFactory ShowPackaging & ShippingOur TeamFAQ

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.