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Home > Accessories >Conversion Diameter Sealing Screw PEEK M12 M6 1.7mm

Conversion Diameter Sealing Screw PEEK M12-M6-1.7mm

SKU: DEKEA511K3

Special Price S$29.95

Regular Price: S$35.95

Quotation

Description

• Fits all major brands of potentiostats
• This is a customized item, invalid for refund or exchange.
• Size: Custom

In some tests, the use of a conversion diameter sealing screw provided the flexibility to use the sealing hole on the sealing cell.

Our Recommendations

Product Details

The chemical stability of PEEK (polyetheretherketone) is very good. It is very stable to almost any chemical reagent except concentrated sulfuric acid, and it can still maintain good chemical stability even at higher temperatures. In addition, it has excellent hot water and steam resistance. It can be used for a long time in the steam of 200~250 ℃. The long-term use temperature of PEEK (polyetheretherketone) is about 200 °C. At this temperature, it can still maintain high tensile strength and flexural modulus. It is also a very strong material with excellent long-term creep resistance. Denaturation and fatigue resistance.

Specification:
Material: PEEK
Big threaded hole: M12*1.5 mm
Small threaded hole: M6*1 mm
Through hole diameter: 1.7mm

NOTICE：

1.This is a customized item, we can't offer any refund or exchange. If you have any questions before purchasing, please feel free to communicate with us.

2.The listed price is only the individual price of one set of sealing screw. 

Product Includes:
1 * PEEK conversion diameter sealing screw
6 * Fluorine rubber O ring

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PRODUCT RELATED

Q.
How to choose ordinary electrochemical cell and sealed electrochemical cell?
A.
Regardless of the user's tightness requirements for the actual test, the sealed electrochemical cell is the first choice. The sealed electrolytic cell is equipped with hollow sealing screws and fluorine rubber O-rings to install and seal the entire device, and then pass inert gas into the cell body to drive out the excess gas inside the cell body to realize the test of the system in an inert environment. If there is no requirement for tightness, no ventilation operation is required. However, if you choose an ordinary electrochemical cell, the related operations of the sealed electrolytic cell cannot be realized.
Q.
What volume of electrochemical cell is suitable to choose?
A.
The volume of the electrolytic cell should be selected moderately. If the volume is too large, the amount of solution will be too much, which is unnecessary. During electrochemical measurement, the electrode surface undergoes oxidation and reduction reactions, and some substances in the solution are reduced by participating in the electrode reaction. At the same time, some reaction products will dissolve into the solution. If the volume of the electrolytic cell is too small, the solution concentration will change significantly during the long-term steady-state measurement, which will eventually affect the experimental results. In most cases, the volume of 50ml and 100ml are more choices.
Q.
How to choose a working electrode?
A.
Common working electrodes include disk electrodes and replaceable electrode holders. The disk electrode is suitable as the base of the modified material, and it is modified to the base area of the disk electrode by mixing a membrane solution or the like with a powdered material. And if the material being studied is a sheet-like structure or the material can be modified to suitable materials such as conductive glass, carbon paper, carbon cloth, etc., it is more practical to choose a replaceable electrode clip.
Q.
How to choose a counter electrode?
A.
One of the important parameters of the counter electrode is its surface area. The counter electrode must have a large enough area to support the current conduction generated on the working electrode. Generally, the area of the counter electrode is 3-5 times the area of the working electrode. When choosing a disk electrode as the working electrode, platinum wire electrode is a good choice. When choosing sheet materials as working electrodes, platinum wire ring electrodes and platinum sheet electrodes are good choices.
Q.
How to choose a reference electrode?
A.
Generally speaking, calomel electrode or Ag/AgCl reference electrode is used in neutral system. Since the potential of calomel electrode changes greatly with temperature, when the temperature exceeds 70 degrees, it needs to be used with a salt bridge or replaced Use Ag/AgCl reference electrode. Hg2SO4 reference electrodes are generally suitable for sulfuric acid or sulfate systems. Hg/HgO reference electrodes are generally suitable for alkaline electrolyte solutions, of which the strong alkali system also needs to be used with a salt bridge, and the filling liquid in the salt bridge is consistent with the filling liquid of the reference electrode. The non-aqueous organic system needs to use a Ag/Ag+ reference electrode. When using a non-aqueous Ag/Ag+ reference electrode, the user needs to prepare a solution containing supporting electrolyte and silver ions (usually 10mM) and inject it into the reference electrode chamber. Due to shipping safety considerations, all reference electrodes are not filled with solution. Before use, the user needs to prepare an internal solution to fill it into the electrode.
Q.
Do you offer wholesale discounts?
A.
Yes, We have regular promo activities for all our customers. We do offer discounts to our customers who buy in bulk. We are appreciated for your inquire through E-mail. service@dekresearch.com.


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A.
Once you had placed an order successfully, a confirmed letter including your order information would be provided by system automatically. We are very happy to answer your any questions by E-mail: service@dekresearch.com.

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