Answer :
Answer:
The degreasers can be broken into two main categories which are wetting the elements and without wetting the elements.
Explanation:
The degreaser which has a wet element for that we need to apply it on one half of the screen and leave it for some minutes. After rinsing it will leave a smooth and shiny sheet. The degreasers without wet are used basically with the direct emulsion for removing dirts by liquid inks or ink cleaners
Depending on the application, degreasers can be categorized as follows;
Industrial applications:
1) Water based degreasers
2) Solvent based degreasers
Screen printing applications
1) Wetting agent
2) Without wetting agent
The reason why the above categories of degreasers are correct is as follows:
The two main categories of degreasers for screen printing are:
1) Degreasers with wetting agent: One that allows the screen to hold a sheet of water across the screen mesh
2) Degreasers without wetting agent: Degreasers without wetting agent are meant to remove dirt
The two main categories of industrial degreasers are;
1) Water based degreasers are degreasers that use water as the base thereby making them non-flammable and more environmentally friendly compared to the chemical solvent based degreasers
A layer is left on the wastewater top that can be skimmed off after using the degreasers to remove grease and grime
2) Solvent based degreasers can be either flammable or nonflammable and make use of chemicals that dissolve grease from the surface during heavy duty cleaning.
Lear more about degreasers here:
https://brainly.com/question/23210303
