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Compressed air - the driving force for paint atomization  

... but also the cause of bad paint jobs.

100% technically clean air is the basis to ensure flawless tool function.

To ensure perfect finishes, compressed air for spray guns must meet the following criteria 

must be available at the air connection of the delivery hose to the compressed air tool. In case one of the above criteria is not fulfilled finish problems may occur that a dissatisfied customer will not be willing to pay for. 

Compressed air is also required for material delivery in pressure tanks or pumps, gun washers and other air tools. In this case, the same criteria apply the same as with paint atomization. 

Problems affect the paint job with dust, water and SiliconePlastics based on a silicon-oxygen structure.Silicone and silicon-based substances have various fields of application in technology and chemistry. Besides industrial use, the sector of construction coatings appreciates aquaeous dispersions of silicone resins (silicone emulsions)for the application of water repellent finishing on walls.Silicone-based substances change the surface tension. Even very small silicone particles can cause considerable coating flaws (silicone craters). Therefore, silicone-based substances (e.g. gloves, oil etc.) must never be used in coating areas.X» (fish eyes) and shorten the function and lifetime of pumps and pneumatic tools. Have your Compressed air qualityAir composition regarding oil, dust and water content.The standard DIN ISO 8573-1 defines the compressed air quality categories with regard to: :Oil contentDefinition of the remaining quantity of aerosols and hydrocarbons the compressed air may contain.Particle size and densityDefinition of size and concentration of solid particles compressed air may still contain.Dew point under pressureDefinition of the temperature to which the compressed air may be cooled down without condensation of the steam contained in it. The dew point under pressure varies with the air pressure.X» checked. Find more detailed information in the Product Service section. With the 0/400 modular filter series, we offer a solution according to your requirements and support you by providing the best solution.

The enclosed Troubleshooting Chart is a simple aid to detect problems and their causes and provide corresponding remedies to provide finishes the customer will be happy to pay for.

Air leaks are very expensive

Even small, permanent leaks cause considerable cost because compressed air is continuously leaking while the unit is under pressure. With a 1 mm hole diameter at 190 psi, that leads to an annual cost of about $1000.00 when operating the system for 24 hours.

Slightly increased air consumption of about 3.5 cfm from an HVLPHVLP = High Volume Low Pressure - low spray pressure technology.Terminology for an internationally recognized low-pressure technology whereby the transfer efficiency rate has to exceed 65%, while the maximum air cap pressure is below 0.7 bar.X» spray gun for example only leads to an extra cost of about .02 - .05 cents for a partial coating.

Troubleshooting Chart

Coarse surface finishes, ...

... Orange peel, color matching problems and mottling.

Reason

Coarse surface structure during coating ...

... changes in color shades and / or mottling.

Reason

SiliconePlastics based on a silicon-oxygen structure.Silicone and silicon-based substances have various fields of application in technology and chemistry. Besides industrial use, the sector of construction coatings appreciates aquaeous dispersions of silicone resins (silicone emulsions)for the application of water repellent finishing on walls.Silicone-based substances change the surface tension. Even very small silicone particles can cause considerable coating flaws (silicone craters). Therefore, silicone-based substances (e.g. gloves, oil etc.) must never be used in coating areas.X» and oil ...

... or condensation on the coating causing adhesion problems etc.

Reason

Particles in paint finish, ...

… what leads to expensive rework

Reason

Condensation / oil separation...

... despite the use of modern compressors. Surface craters caused by considerable condensate / oil separation at the nozzle.

Reason

Pressure drop...

... again and again lasting for a certain period of time

Reason

Insufficient air volume...

... despite sufficient dimensions and performance of the system, the filters become saturated very rapidly. High condensate concentrations and a lot of particles in the spray air.

Reason

 

 

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