Paint Strippers are used for the chemical cleaning processes of metals, wood and other surfaces, in which a strong inorganic acid is used, which is typically hydrochloric or sulfuric acid to remove paints, dirt, varnishes, oil, rust, among other materials and residues.
That is to say, the pickling is an acid cleaning, also it can be used to make metallic cleanings with alkaline solutions and citric acid.
Types of Paint Strippers
In today’s market there is a diversity of paint strippers with different applications and uses, as well as specific paint strippers for specific materials and surfaces.
These are usually available in two presentations: In Paste or Gel and in Liquid.
Paint Strippers in Paste or Gel
They are used in situations where the surface to work is very extensive, and in places where its complexity does not allow moving the piece to a room or area designated for pickling.
They can be applied by spray or brush on the surface to be pickled, always leaving the pickling agent to act for a few minutes before cleaning the surface.
It can be applied on very large, vertical and difficult to access surfaces. It is indicated for the removal of graffiti, paint on metallic doors, grilles, paint on wood, plastic and concrete.
Among the liquid paint strippers we can find two classes, categorized according to their thermal application:
Liquid paint strippers for cold or ambient temperature application. They are used for the elimination of inks, glues, paints of drying to the furnace or to the air, elimination of resins and latex, among other materials. It can be applied on various types of surfaces, such as steel, stainless steel, wood, ceramics and concrete.
Generally they are applied by immersion, these are arranged in stainless steel tanks totally suitable for the pickling process, they have panels or perforated trays suitable for the extraction of residual material and sludge. The pieces are arranged in baskets suitable for immersion, the pieces are immersed and the determined time of action of the pickling is waited, after the time is set to remove the pieces already pickled.
Others Paint strippers
A paint stripper is a chemical product that allows us to remove or remove a layer of paint from a surface. It is widely used in the world of handicrafts, DIY and automotive sector, as well as many other areas of application, paint strippers remove the paint from the surface where it was applied, then proceed to the subsequent removal of paint and waste material. It can be applied by immersion or in gel. Solvents also count as strippers for some paints.
The strippers for varnish, can become quite useful in carpentry, these allow us to remove layers of varnish that may have a piece that we want to clean even bare wood. Generally they are in gel, this is a great quality since it does not drip or splash.
The approximate time of action of the pickling for varnish is between 10 and 25 minutes. After this time, we proceed to remove with a spatula the gelatinous mass generated as a result of the action of the stripper and any other residue of material.
Industrial Paint Strippers
In the industrial world, strippers are also widely used, whether to remove paint, resins, grease and cleaning in general. There are strippers in the industrial area of specific use.
Some strippers that we can get in the industrial area:
- Aerosol paint strippers
- Floor paint strippers
- Stripping agent for cleaning injection moulds
- Stripping agent for semiconductors with photosensitive resin, among others.
Strippers for Painting Cars
Automotive paint strippers are fast acting, come in various presentations, spray, liquid and gel. There are specific ones for painting and also multipurpose with solvents for cleaning and degreasing parts.
How to Use The Paint Stripper ?
There are several ways to apply a flux, this varies according to the material of the surface, the material to be fluxed or removed, the thickness of the material and the surface, the type of flux, the time, among other factors that influence its application.
Here is an example of how to apply flux on a wood to remove the varnish:
- The first thing to do is to work safely, use glasses and gloves for the application of the flux.
- Remove the product before and during its application, lightly sand the wooden surface, apply the stripper in thick layers and let it act for a while, when the surface coating softens, remove the material with the help of a spatula, brush, scraper and rag.
- Rinse with a brush and warm water, leave to dry for 24 to 48 hours, sand and apply the new finish.
Stripping guns are thermal function electric tools that use hot air to remove paint, resins, glues, adhesives and other materials.
They are very used for the pickling of jewels, it is used placing in an enamelled container 15g of pickling salt in half a litre of water, the pieces to be pickled are introduced and the container is placed in the stove until the water is heated, as it heats, the salt acts, and renews the shine of the piece.
Hot Application Liquid Paint Strippers
They are used in the elimination of industrial coatings and paints in general, they are of alkaline nature, for the removal of latex, epoxy resins, in tanks and cisterns, elimination of glues and adhesives, among other applications.
It is applied in three ways according to its condition:
The pieces to be pickled will be submerged in a basket, and we will keep them as long as necessary, which will be determined by the type of coating and thickness. Then they will be removed after this time.
In this type of application the pickling agent will act by kinetic effect on the pieces, since these pieces will be introduced in special spraying machines.
By Stripping Bath and Water
- This method consists of making a mixture of 50% pickling agent and equal amount of water, and drive this mixture with a suitable pump and make it pass several times in recirculation through a tank or cistern.
- This repeated action leaves as a result that the internal walls of the tank or cistern are clean and in optimal conditions for its later use.
- We can also mention other types of strippers with different methods for their action, among these we can highlight the electrical tools with accessories for removing material, abrasive methods and heat guns for chipping the paint.
Homemade Paint Strippers
There are homemade alternatives to create a stripper with simple materials that are normally found in any home, here we will show you an alternative to create your own homemade nail polish remover.
The materials you need:
- Antiseptic alcohol
- Sugar 3x
- A mixing bowl
Mix in the bowl a glass of alcohol with 2 tablespoons high sugar, stir until dilute the sugar 3x.
To strip the enamel take a piece of cotton and dip it in the mixture, rub vigorously this cotton against your nails enameled, you will notice that you can remove the enamel in your nails.
Reference Prices for Paint Strippers
Wood paint stripper 4L: 69,60 €.
Industrial Paint Stripper Spray: 10,25 €.
Professional Gel Paint Stripper 1lt: 15,91 €.
Image of Paint Stripper