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Ceramic Wire Guide we produced are widely used in many industries such as semiconductor devices, optical fiber communication, LED, petroleum, metallurgy, electronics, food, medical treatment, aerospace with their excellent performance of abrasion resistance, corrosion resistance, thermostability and etc.
| Properties | Unit | Alumina | Zirconia | ||||
| 96%Al2O3 | 99%Al2O3 | 99.5%Al2O3 | 99.8%Al2O3 | 99.9%Al2O3 | 3Y-TZP | ||
| Colour | - | White | White | Ivory | Ivory | Translucent | white/black |
| Bulk density | g/cc | 3.78 | 3.88 | 3.93 | 3.93 | 3.98 | 6.03 |
| Water Absorption | % | 0 | 0 | 0 | 0 | 0 | 0 |
| Grain size | μm | 5-10 | 2-5 | 2-5 | 2-5 | 2-4 | 0.4 |
| Bending strength | MPa | 380 | 350 | 360 | 380 | 300 | 1000 |
| KIC | MPa.m1/2 | 3~4 | 4 | 3~4 | 3~4 | 3~4 | 5~8 |
| Vickers Hardness | GPa | 13 | 14 | 14.5 | 14.5 | 15 | 13 |
| Young's Modulus of Elasticity | GPa | 360 | 370 | 370 | 380 | 390 | 200 |
| Thermal Conductivity | W/m° K | 24 | 28 | 32 | 32 | 34 | 2 |
| Coefficient of Linear Expansion | 10-6/°C | 6.7 | 7.2 | 7.2 | 7.2 | 7.2 | 10.5 |
| Dielectric Constant (1MHz) | - | 9.1 | 9.5 | 9.6 | 9.6 | 9.9 | 33 |
| Dielectric Loss Angle (1MHz) | - | 0.0002 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.002 |
| Dielectric Strength | V/m | 15×106 | 15×106 | 15×106 | 15×106 | 15×106 | 11×106 |
| Volume Resistivity | Ohm.cm | >1014 | >1014 | >1014 | >1014 | >1014 | 1013 |
| (RT) | |||||||
Because of ceramics is easily broken, we all use FEDEX and UPS express our goods, so we can guarantee the safety of the product.
Can be customized according to customer’s drawing, sample etc.
STCERA CO., LTD. is a limited liability company. It’s a private technological enterprise which is professional in precision ceramic parts research and development, manufacture and sale.
Precision ceramics we produced are widely used in many industries such as semiconductor devices, optical fiber communication, LED, petroleum, metallurgy, electronics, food, medical treatment, aerospace with their excellent performance of abrasion resistance, corrosion resistance, thermostability and etc.
We have the most advanced precision ceramic molding, sintering, processing equipments. We have equipments of precession Dry pressing molding, cold isostatic press molding, high-temperature sintering, precision internal grinding and polishing, precision cylindrical grinding and polishing, precision plane lapping and polishing, complicate shape products CNC machining and so on. We also have the most professional precision ceramic and super hard Material specialists and technician team. Precision Ceramic sleeve produced by us has been widely used in Optical fiber communication field home and abroad, and is well-reputed because of its high precision and stable quality. Ceramic parts we produced for semiconductor device are widely used by the well-known demotic semiconductor enterprises. We are a perennial ceramic parts supplier for semiconductor industry and LED industry. We also provide America, Germany, Singapore, Japan, and Taiwan of China with ceramic parts on the long term.
Our Principle: Honest Operation, Customer satisfaction, Talents oriented,Sustainable development
1. Q: What’s the scale of Stcera?
A: Factory of Stcera covers an area of 2000 square meters; office space covers 500 square meters , and there are more than 50 people working in Stcera.
We have equipments of precession Dry pressing molding, cold isostatic press molding, high-temperature sintering, precision internal grinding and polishing, precision cylindrical grinding and polishing, precision plane lapping and polishing, complicate shape products CNC machining and so on.
2. Q: What’s the relationship between Stcera and SelTon?
A: Shenzhen SelTon Co., Ltd, which was established in 2008, is the predecessor of Stcera, and Stcera was registered in 2013. You can choose either Selton or Stcera to order.
3. Q: Where or which place do your company export by?
A: Shenzhen. Shenzhen is our main port.
4. Q:What’s your payment method?
A: T/T is the most often that we use. We can also accept Paypal. You can also make the payment to our company in HongKong: Selton Technology (HongKong) Co.,Limited.
5. Q: What’s your normal delivery date?
A: 7 to 45 days according to the complexity of products.
6. Q: Do you have any quality assurance of your products?
A: First, if there are problems on quality of our products, we can produce again for free for you or refund to you. Second, if the goods are worn out on the way of delivery, we will take responsibility in that case.
7. Q: How to contact us?
A: International sales:
Phone: (+86) 17708458654
Email:sales2(at)
Skype: stcera18
Wechat:17708458654
Yahoo Messenger:stcera18
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