Transamination soap, help alkaloids have saponification oil said. Various mineral oils such as paraffin, vaseline, all sorts of lubricating oil etc. They can't afford saponification role with alkali, help referred to the saponification oil.
(1) ultrasonic pandora bracelets wholesale skimmed
Ultrasonic skim is using ultrasonic oscillations mechanical force, can make the degreasing solution generate tens of thousands of small bubbles, these little bubble growth and closed in form to develop a strong oscillation force, make materials
Material surface cleave grease, dirt pandora jewelry quickly, thus accelerating skim process from, that skim more thoroughly, to deal with complex shape and have microporous, blind holes, narrow gap and skimmed demanding material more
Effective.
To apply ultrasonic with appropriate bracelet jewellery defatted fluid (such as except la water), selecting the appropriate temperature. Because of high temperature and concentration will hinder the spread of ultrasonic and reduce skim ability. For the material
Material sag and facial can get good pandora braelet degreasing effect, had better make materials in groove, so that each part spin can be ultrasonic radiation.
(2) electrochemical except oil (cathode)
Electrochemical except oil is hanged in alkaline materials, electrolyte cathode when using electrolysis of electrode polarization beads effect and produces a large bubbles will remove method. Smeary Electrode polarization effect, can drop
Low surface tension solution interface; The precipitation of hydrogen electrode, oxygen bubbles to bubble and the oil film will have a strong role for solution and torn effect and mechanical agitation prompted oil film pandora uk quickly from materials
Surface off into small oil bead, accelerate, strengthen the oil removal process. In pandora jewelry discount addition, electrochemical besides oil, not only far more than the chemical oil, and still can obtain almost completely clear clean good pandora box except
Oil effect.
Improve current density, can increase the oil removal rate and improve the deep hole besides oil quality. But current density and the oil removal rate is not always proportional, current density is exorbitant, slot voltage pandora us increase, electricity
Can use up too big, a lot of alkali fog air pollution not only, and still can corrosion materials. Operate common current density for 5 to 10 amp/square honour.
Increase the temperature can reduce the resistance of the solution, thus improve conductivity, reduce slot voltage, managing electric pandoras energy. But not only high temperature consumed a lot of heat, still pollution of the environment, worsening conditions. tong
Often USES the 60 to 80 ℃ electrolyte.