CASTING|LOW - 24454 Annonces

Friday 16 August 2019

Quantité : 40HQ - Prix : 0.09-0.40USD/PC

Chemical packaging bags could be made of polypropylene woven fabric only, but for those chemical material which needs to be stored or transported under dry and leakage-proof conditions, Kraft paper laminated woven pp bags would be a more suitable packaging material choice. Pp woven...

Friday 16 August 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-D10 Digital Trimmer 3 Modes Ear Hook Trimmer Hearing Aids Hearing Amplifier - Max Sound Output 128±3dB Voltage D.C.1.4V Sound Gain 57±5dB Battery Type LR44H/A675 Total Harmonic Wave Distortion 500Hz ＜6% 800Hz ＜4% 1600Hz ＜1% Battery capacity/Mah...

Friday 16 August 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier - Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%</span> 800HZ<5%</span> 1600HZ<1%</span> Operation Current/mA...

Friday 16 August 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Friday 16 August 2019

Quantité : 80000Pcs - Prix : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current...

Friday 16 August 2019

Quantité : 80000Pcs - Prix : 3-50USD

JH-233 Body Worn Pocket Ear Sound Amplifier / Body Level Hearing Aid - Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid - Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah ...

Friday 16 August 2019

Quantité : 1 - Prix : 5,96 €

Quick Details Place of Origin: Chongqing, China Brand Name: LANREN Model Number: H1223 Application: cooking Surface Treatment: mill finish Grade: 1000 series Alloy Or Not: Non-alloy Al Content (%): 99% Powder Or Not: Non-powder Product name: aluminium sets pan Keyword: ...

Friday 16 August 2019

The sample vial also referred to the aseptic vial, is an essential tool for the detection of pollution contaminants. It is usually used with an automatic sampler or just as a storage device. In accordance with the vial material, there are mainly two types of sample vial – glass type...

Friday 16 August 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Thursday 15 August 2019

Background Technique The wood pulp with a characteristic of single fiber, has been serving as the only raw material of the quantitative filter paper. To improve its filtering accuracy, the pore size has to be reduced, which can increase the filtering resistance and shorten the practical...

Thursday 15 August 2019

The similarities FLASH and SPE are all column chromatography separation technology. FLASH is a fast separation mode for preparative chromatography, using optimized pre-packed low and medium pressure columns for chromatographic separation. The separation mechanism, stationary phase...

Wednesday 14 August 2019

Quantité : 25kg - Prix : FOB Qingdao 2.4-2.9$

Description of Food Grade CMC Sodium carboxymethyl cellulose (CMC/cellulose gum) is kind of cellulose ether, can easily soluble in cold and hot water, with maximum yield, most widely and conveniently used among all cellulose products. The main raw material of CMC is refined cotton and wood pulp...

Wednesday 14 August 2019

Syringe filters are available out-of-the-box, no need for membrane changes and cleaning, and allow easy purification or detoxification of various solutions, including cell and microbial media, reagents, and additives, protein solutions and buffers. - Maintenance of a syringe filter - 1...

Wednesday 14 August 2019

Flash column chromatography is an alternative to long column chromatography developed in 1978. This method aims to separate the components from the mixture and thereby purify it. It is built from existing long column chromatography techniques and is time-consuming and often unsatisfactory...

Wednesday 14 August 2019

A gas filter housing is an advanced, efficient and easy to operate automatic filter device. It is widely used in metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply fields. A gas filter housing is composed of shell, multi-element...

Wednesday 14 August 2019

Physical properties of the chromatographic column could affect the performance of C18 HPLC columns. - Performance factors of C18 HPLC columns: - Silica gel purity Class A silica gel has high residual silica hydroxyl with a negative charge and high metal content on the acidic surface...

Tuesday 13 August 2019

Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...

Tuesday 13 August 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Monday 12 August 2019

Syringe filter is a kind of filter connected to the front of the syringe. When the experimenters deal with the chromatographic samples with syringe filter, they should pay attention to avoiding bringing impurities in the process of filtration. One reason for the appearance of such...

Monday 12 August 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Monday 12 August 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Sunday 11 August 2019

Product name : Medal/Lapel pin/Coin Material : zinc alloy / brass / Copper / stainless steel / bronze / iron / aluminum / tin / gold / silver Deisgn : 2D/3D,one side logo or double. Shape : square/rectangle/roundness etc.(customized) Craftwork die casting / stamping / carve...

Sunday 11 August 2019

Product name : Medal/Lapel pin/Coin Material : zinc alloy / brass / Copper / stainless steel / bronze / iron / aluminum / tin / gold / silver Deisgn : 2D/3D,one side logo or double. Shape : square/rectangle/roundness etc.(customized) Craftwork die casting / stamping / carve...

Saturday 10 August 2019

Quantité : At least o - Prix : 50-150000 USD

1.5T AC ELECTRIC REACH TRUCK - STAND-UP TYPE 1.5T reach truck-stand-up type, flexible, compact in appearance，no emissions，low noise，working in narrow field, suitable for tobacco, textile, food, supermarket and other industries; Due to the stand-up driving, good vision, particularly...

Saturday 10 August 2019

Quantité : At least o - Prix : 50-150000 USD

ELECTRIC LIFT TABLE DPS35 Hydraulic lift/scissor lift/mobile lift platform; Lift hight: 4-20M; Load: 300/500/1000kg; Power: 380v/220v; electric hydraulic scissor lift table is the professional high-altitude operation equipment. ELECTRIC LIFT TABLE DP30/DP50 Low profile Electric lift Table...

Saturday 10 August 2019

Quantité : Proofing b - Prix : 200-1500CNY

PTFE Teflon PCB has excellent comprehensive performance: high temperature resistance (-192°C-260°C), corrosion resistance (strong acid, strong alkali, aqua regia, etc.), weather resistance, high insulation, high lubrication, no adhesion, Non-toxic and other excellent characteristics...

Saturday 10 August 2019

Quantité : Proofing b - Prix : 200-1500CNY

Custom low cost metal core pcb from professional pcb manufacturer china shenzhen, PCBSKY provides best service metal core pcb prototype. MCPCB, Metal Core PCB, thermal PCB - whichever name you prefer, they are all boards which use a base metal material as the heat spreader portion...

Saturday 10 August 2019

Quantité : Proofing b - Prix : 200-1500CNY

What is High Tg PCB When the temperature rises to a certain area, the substrate will change from "glass state" to "rubber state", and the temperature at this time is called the glass transition temperature (Tg) of the plate. That is, Tg is the highest temperature (°C) at which the...

Saturday 10 August 2019

Quantité : Proofing b - Prix : 200-1500CNY

Custom high frequency pcb from professional high frequency pcb company china shenzhen with factory price in low cost. The high frequency of electronic equipment is a development trend, especially in the development of wireless networks and satellite communications, the high-speed...

Saturday 10 August 2019

Quantité : Proofing b - Prix : 200-1500CNY

HDI PCBs, one of the fastest growing technologies in PCBs, are now available at PCBSky. HDI PCBs contain blind and/or buried vias and often contain microvias of .006 or less in diameter. They have a higher circuitry density than traditional circuit boards. There are 6 different types of HDI PCBs...