White Black Fashion Ceramic Jewelry Wearable Smart Ceramic Rings
This model of ceramic intelligent wear rings is made from zirconia
ceramic with smooth nice surface and the function of waterproof,
sweat resistant and breakage proof . Most important , it is equipped with intelligent Sleep control
system , GPS system, Heart rate examine and pulse oxygen saturation in blood measuring instrument.
When in the night you are in sound sleep, it can record your status
of sleeping , heart rate, pulse beat rate and body temperature to
analyze date and give suggestion accordingly.
We can make zirconia ceramic ornaments according to your
requirement
1. Hardness close to natural diamond, lighter than the metal, never
wear, never change the color and so on.
2. Wear resistant, oxidation resistant, never rust, never change
color, will not lead the skin allergy.
3. Colored ceramic accessories has Excellent impression.
4. Zro2 ceramic Jewelry is Artistic, durable, magnificent.
Dongguan Mingrui Ceramic co.,ltd specialized in zirconia industrial
parts,so we can make various shapes and different color according
to the clients’ requests.High purity is the forever promise we had
make.
The length range:0.5mm to 200mm
The width range:0.5mm to 200mm
The thickness range:0.5mm to 20mm
The machining accuracy +/-0.005mm
The finish ≤ 0.8um
Alumina Ceramics; Ceramic Cutting Blade; Ceramic Filling Pump; High
Temperature Ceramics, Zirconia Ceramics
Ceramic Properties:
- High hardness
- Wear & abrasion resistant
- High compressive strength
- High mechanical Strength
- Resists strong acid and alkali attack at high temperatures
- Excellent electrical insulation properties
- High thermal conductivity
- Excellent refractory material
- Very specific thermal conductive and thermal expansion rates
- Low density
- Resistant to thermal shock
- High dielectric strength
- Transparent to microwave radio frequencies
Zirconia ceramic are used in shaft , plunger, sealing structure,
auto mobile Industrial, oil drilling equipment, Insulation parts in
electrical equipment , ceramic knife, ceramic hair clipper spare
parts, with high density, bending strength and breaking tenacity.
We can supply the products according to customer's drawings,
samples and performance requirement.
precison ceramic, precision ziconia ceramic, zirconia, ceramic
part, ceramic structure, zirconia ceramic shaft sleeve pipe roller
tube, zirconia ceramic shaft piston and gear, Zirconia ceramic rod,
machinable ceramic rod for industry
| Product Name | White Black Fashion Ceramic Jewelry Wearable Smart Ceramic Rings |
| Material | zirconia |
| Color | White |
| Size | According to drawings |
| Surface Roughness | Ra 0.05 |
| Tolerance | +/-0.001 |
| Type | Full Ceramic, Ceramic+Steel |
| Lead time | 15 - 20days |
| Samples | Avaliable |
| Shipping | Air Express (DHL/UPS/TNT/ FedEx) or Ocean Shipping |
Properties of Alumina and Zirconia Ceramic :
| Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
| Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
| Water absorption | % | 0 | 0 | 0 |
| Coefficient of thermal expansion | 10-6/K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young's Mod | GPa | 280 | 340 | 210 |
| Poisson's ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness HV | MPa | 1400 | 1650 | 1300-1365 |
| Flexural Strength @ room temperature | MPa | 280 | 310 | 950 |
| Flexural Strength @700°C | MPa | 220 | 230 | 210 |
| Compressive Strength @ room temperature | MPa | 2000 | 2200 | 2000 |
| Fracture Toughness | MPa *m 1/2 | 3.8 | 4.2 | 10 |
| Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 | 2-2.2 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
| Max use temperature | °C | 1500 | 1750 | 1050 |
| Resistance to acid alkaline | / | high | high | high |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV/mm | 16 | 22 | / |
| Thermol Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
| Tensile Strength @ 25 °C | MPa | 200 | 248 | 252 |
Company Introduction:
We ( Dongguan Mingrui Ceramic Technology Co., Ltd ) are a
professional manufacturer specialized
in R&D, manufacturing and selling customized all kinds of high
precision zirconia and alumina ceramic parts . Our main products
include ceramic rod , ceramic tube, ceramic plunger, ceramic valve,
ceramic plate, ceramic shaft and bearing , ceramic nozzle etc ,
which are mainly used in industrial fields of Machinery,
Petrochemical oil and gas, Valves, Automotive, Food Processing,
Fluid Handling, Process Control, Thermal Processing, Aerospace,
Defense, Eletronic and Electrical, Textile, Mechanical,
Engineering, Mineral Processing, etc.
We have a full service include mold design and development ,
ceramic forming , precision machining
and precision detection technology. We have achieved great
successes in particular requirements
which is based on cooperating with Tsinghua University and getting
rich experience by our professional technical engineer teams . Our
factory have an unique technical called mirror polishing which
improve
our products more smooth , bright than other competitors.
Application Industry :
FAQ :
1. Are you a manufacturer ?
Yes we are a ceramic manufacturer . We proceed with the whole
process start from Powder material to forming , sintering ,
machining, marking , inspection , packing , we do the whole process
.
2. What kind of industry ceramics do you have ?
We specialized in 95% 97% 99% alumina ceramic and zirconia ceramic
parts .
3. What kind of molding method do can you supply ?
Dry Pressing , isostatic pressing , grouting , hot-chamber die
casting , tape casting , injection molding, etc, injection molding
and isostatic molding is the most commonly used.
4.What stabilizer do you use when processing ?
Yttria stabilizer is the most commonly used in our industrial
ceramic parts.
5.Can you produce free samples for me ?
Yes usually , we can produce free samples for you but it is up to
the product complexity .
6.What terms can you accept for payment ?
T/T, L/C , Western union , Money Gram and Paypal is welcome , but
paypal and western union only for small -sum payment.
