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Acetonitrile is an organic compound with the molecular formula CH3CN or c2h3n. It is a colorless liquid, highly volatile, with a special smell similar to ether, excellent solvent performance, and can dissolve a variety of organic, inorganic and gaseous substances. It has certain toxicity and is infinitely miscible with water and alcohol. Acetonitrile is an important organic intermediate, which can undergo typical nitrile reactions and is used to prepare many typical nitrogen-containing compounds. Acetonitrile can be used as a solvent for the synthesis of vitamin A, cortisone, carboamine drugs and their intermediates, and also as an active medium solvent for the manufacture of vitamin B1 and amino acids. It can replace chlorinated solvent. It is used in vinyl coating, fatty acid extractant, alcohol denaturant, butadiene extractant and solvent of acrylonitrile synthetic fiber. It is also used in fabric dyeing, lighting, perfume manufacturing and photosensitive material manufacturing.

Chemical analysis and instrumental analysis
Acetonitrile is an organic modifier and solvent used in thin layer chromatography, paper chromatography, spectroscopy and polarographic analysis in recent years. Since high-purity acetonitrile does not absorb ultraviolet light at 200nm ~ 400nm, an application being developed is as a solvent for high-performance liquid chromatography HPLC, which can make the analytical sensitivity as high as 10-9 levels.

Intermediate of synthetic medicine and pesticide
Acetonitrile can be used as an intermediate in the synthesis of various medicines and pesticides. In medicine, it is used to synthesize a series of important pharmaceutical intermediates, such as vitamin B1, metronidazole, ethambutol, aminopteridine, adenine and antitussive; In pesticides, it is used to synthesize pyrethroid insecticides, acetaminophen and other pesticide intermediates.

Semiconductor cleaning agent
Acetonitrile is an organic solvent with strong polarity. It has good solubility in grease, inorganic salt, organic matter and polymer compounds. It can clean grease, wax, fingerprints, corrosive agent and flux residues on silicon wafers. Therefore, high purity acetonitrile can be used as semiconductor cleaner.

Decoration field:
304 stainless steel can be used in decoration field. 304 stainless steel has been widely used in the decoration industry due to its high tensile strength, good internal wall finish and excellent wear resistance. Just like our common stainless steel stair guardrails, handrails, stainless steel anti-theft windows, stainless steel doors, stainless steel tables and chairs, they are all made of 304 stainless steel decorative tubes. In life, the bathroom is wet and the kitchen is full of lampblack, so 304 stainless steel can be used in these two places.
Industrial field:
304 stainless steel is used in the industrial field, mainly for industrial transmission pipelines and mechanical structural parts such as petroleum, chemical, medical, food, light industry, mechanical instruments, etc. Generally, the working pressure of water supply system in high-rise buildings is high, while the tensile strength of 304 stainless steel is strong, and the possibility of water leakage under external force is very small. It is an important material of water supply system in high-rise buildings



Product name

Color Coated 304 Stainless steel sheet

Grade

304

Thickness range

0.3mm-3.0mm,

Width range

600mm-1500mm

Length

2000mm, 2438mm, 3048mm

Size

1000mm*2000mm, 1219mm*2438mm, 1219mm*3048mm, or as required

Finish

No. 1 , No. 4, hairline , 2b, BA, 8K, embossed, PVD color coated, sand blasted, anti-fingerprint

Lead time

7 to 15 working days after the receipt

Packing

Wooden pallet or according to customer's request

Application

Interior/exterior/architectural/bathroom decoration, elevator decoration, hotel decoration, kitchen equipment, ceiling, cabinet, kitchen sink, advertising nameplate

Decoration field:
304 stainless steel can be used in decoration field. 304 stainless steel has been widely used in the decoration industry due to its high tensile strength, good internal wall finish and excellent wear resistance. Just like our common stainless steel stair guardrails, handrails, stainless steel anti-theft windows, stainless steel doors, stainless steel tables and chairs, they are all made of 304 stainless steel decorative tubes. In life, the bathroom is wet and the kitchen is full of lampblack, so 304 stainless steel can be used in these two places.
Industrial field:
304 stainless steel is used in the industrial field, mainly for industrial transmission pipelines and mechanical structural parts such as petroleum, chemical, medical, food, light industry, mechanical instruments, etc. Generally, the working pressure of water supply system in high-rise buildings is high, while the tensile strength of 304 stainless steel is strong, and the possibility of water leakage under external force is very small. It is an important material of water supply system in high-rise buildings



Product name

Color Coated 304 Stainless steel sheet

Grade

304

Thickness range

0.3mm-3.0mm,

Width range

600mm-1500mm

Length

2000mm, 2438mm, 3048mm

Size

1000mm*2000mm, 1219mm*2438mm, 1219mm*3048mm, or as required

Finish

No. 1 , No. 4, hairline , 2b, BA, 8K, embossed, PVD color coated, sand blasted, anti-fingerprint

Lead time

7 to 15 working days after the receipt

Packing

Wooden pallet or according to customer's request

Application

Interior/exterior/architectural/bathroom decoration, elevator decoration, hotel decoration, kitchen equipment, ceiling, cabinet, kitchen sink, advertising nameplate

PA66 GF33 material can be used for Electric cooker, soybean milk and juice maker and other home appliances, air conditions shell, car accessories, fan heater, instrument panel, thermal jug...

New Energy vehicle charging pile and charging gun, automotive, MCB, appliance parts, low temperature resistant nylon tie band, power tools, office chair base, hydrant handle, ski equipment components, breaker, connector...

Battery cell jar case, heating appliances case, panel, plug, electronic shell, instrument frame, auto parts and etc...

Factory equipment:
Automatic constant temperature mouth rinsing: 1set
Built-in hand piece water purification system: 1set
Deluxe rotary spittoon: 1set
Strong/weak saliva ejector: 1set
Luxury motor chair (Self-regulation): 1set
Motor dental chair control system (three memory): 1set
Dental cold light: 1set
3-way syringe (cold/hot water): 1set each
Low-voltage X-film viewer: 1set
Multifunctional 4-hole pedal switch: 1set
Dental chair: 1 set .

Options:
Imported 4hole high Speed air turbine hand piece
Imported 4hole low Speed air turbine hand piece
Endoscopes system
Scalar
Curing light.


Technical parameter:
Power supply Voltage: AC220V 50Hz
Motor Voltage: DC24V
Air source Pressure: 0.5MPa-0.8MPa
Water source Pressure: 0.2MPa-0.4MPa.

Low-speed hand piece kit, including two pieces of standard screw type hand piece, one piece of straight, one contra angle, one air motor and two pieces of bur change.

Model: PZ-401
Voltage: 110V~240V, 50Hz/60Hz
Power:220W
Airflow: 100L/min
Noise: 50dB(A)
Pressure: 8Bar
N.W.: 8.8Kgs.

1.Composing: Spout, Air pump, Water pot, Teeth rotate, Odontoscope.
2.This product is a multi-functional comprehensive dental treatment apparatus. It contains all the functions of the dentistry treatment machine.
3.It can be used in many demanding situations, such as emergent battlefield clinics, disaster areas aid, and mountainous areas treatments and so on. Use to help those inconvenient patients.
4.It can be easily manipulated. Easily to take, wear well, lowest malfunction rate, oilless, low noise.

1) 220V power supply voltage of plus or minus 10% of Pathology
2) Rated 60W.

Technical specifications
Mainframe exterior size 280 * 200 * 80MM
Ball-2009140 * Spiral (excluding Canada longituba)
Weight 2.2kg mainframe
Ball pounds
Temperature 5-40 degrees
Relative Humidity <80%
Exposure time 0.2-0.5S
Set-up time of 0.1-9.9S.

1. New generation automatic frequency trace system
2. Titanium alloy transducer
3. No power diminution, no heating after long time use
4. Hand piece can be disinfected with a temperature as high as 135.
5. Vibration at 31 khz.

Technical specifications
Power: ~220v+10% 50hz+hz
Power consumption: 5x20mm 220v 2x1 at
Vibration frequency: 31~34khz
Water supply flux: 5~100 ml per minute,
Continuous and adjustable
Water supply pressure: 25-100psi
Exterior size: length x width x height=190x136x70mm.

Wdj-ssz-1 micro bldc motor surgery system
Controller/bldc motor/foot switch

Be suitable for all kind of surgery

1. Micro bldc motor surgery system is a set of medical micro-motor system
2. Offer 1,000rpm to 50,000rpm of revolution and greater than 40w output power
3. Motor adopts type-e international standard
4. Can be used in coordination with any type-e standard hand-piece for different surgery
5. It's suitable for craniofacial surgery and maxillofacial surgery, such as harvesting of carnial bone grafts, osteotomy of the frontal bandeau including orbitotomy, osteotomy within the nasal ethmoidal complex, inter dental osteotomy,etc.
6. Both motor and cable can be sterilized in an autoclave (134oc, 2pa)
7. Motor: high torque micro bldc motor
8. Torqure: 230g.Cm , at 20,000rpm
9. Motor speed : 1000rpm---30,000rpm or 1000rpm-50,000rpm
10. Mechanical power output : 45w
11. Nine speed reducing ratios are for selection: 1:1, 4:1, 10:1, 16:1, 20:1, 30:1, 64:1, 100:1 and 256:1
12. Safety classification : type b
13. Interface of motor and hand piece: type e
14. Power supplied: 110v or 220v , 50hz---60hz.

Feature:

1. To use wireless camera, we can capture teeth images of patient and then transmit into computer on wireless LAN.

2. With mirror image function.

3. Without any USB cable, it lets dentist easily operate it, save images.

4. More quickly and conveniently.

5. The time of using internal high-quality Li-battery will be longer.

6. The quality of image and picture will not be interrupted and will not lose truth.

7. There are 4 channel selections to switch.

8. With indicator of battery currency.

9. Fast recharge and easily to operate.

Feature
1. Adopt high power led light, high light intensity and long service life.
2. Use cold-light source, less heat and can be use in a constant long time.
3. Adopt aluminum alloy housing, aesthetic and well thermal discharge.
4. Optional operating mode a. Highlight; b. Gradient glow; c. Pulse.
5. Digital display and chargeable.
6. Battery low indicator.
7. Sleep function. It will auto sleep action when not implemented over 1min. Push the any key of panel to back to normal.
8. Auto memory store. This item can auto store the function and time when the power shup down.

Technical data
1. Power supply: ac100~240v 50/60hz
2. Battery: 3.6v 2200mah
3. Spectral character: spectral range is 440~480
4. Power: 5w
5. Light intensity: more than 1500mw/cm2.

Summarize:

1. The led cold light bleaching system which is made in our company is the most advanced brand in china at the present time. It is controlled by the microcomputer inside the machine, and it can catalyze the whiten pharmacy and cause a reaction exactly and effectively, and it will make the teeth whiten deeply. Its output blue light wavelength is 430-----485nm, and it can irradiate all parts of the teeth effectively, so every one of the tooth can be whiten. It is the key breakthroughs of the clearing the teeth and the whiten technology in the dental area.

2. If you use the whiten pharmacy which is provided by our company, the whiten effect will be more perfect.

Accommodation:

External causes of tooth color pigment nien
1. External color of the pigment nien teeth (smoke spot coffee spot, tea spot and so on).
2. Internal pigment teeth tetracycline pigmentation teeth, dental fluorosis.
3. Hereditary xanthodont.
4. The reason unknown which cause the teeth darken and yellowing.

Technical parameter:

Dimension of frame.
Size: height: 142cm; wide: 63cm; arm length: 125cm· longest
Weight of machine·ª18.5k;
Input voltage·ªac110or240v·+50/60hz;
Power·ª30w;
The wavelength of blue light·ª460-490m;
The whiten hour 10·í15minutes for one time, two or three times for one period of the treatment.

Low-vacuum (amniotic fluid) suction apparatus
Model DYX-1A

1. Max vacuum: 18+1.5kpa(135+11mmhg)
2. Vacuum range: 2kpa(15mmhg)-max vacuum
3. Flow rate: l/min
4. Noise:ü55db(a)
5. Jar capacity: 1000ml(pc)
6. Power supply: ac220và10%, 50hz
7. Power input: 30va
8. Gw: 3.5kg; nw: 2.5kg
9. Dimension: 63.8cm17.6cm32.5cm(one set)
40cm 37cm34cm (two sets).