How Much Psi Do You Need For A Paint Gun?

How much psi do you need to paint a car?

When spraying clear coat I like to up the pressure 2-3 psi for a little more atomization and better flow out.

Setting the air pressure to about 28-29 PSI for clear will ensure you having great flow out.

Most HVLP spray guns will use 10-14 scfm at 40 psi.

This is volume of air pressure per cubic foot..

Is airless or HVLP better?

Atomized particles from an HVLP unit are smaller and more uniform than particles propelled from an airless sprayer, he says. With latex wall paint on drywall, the difference won’t matter. … But airless units are better for high-volume jobs, such as the exterior walls of a house.

What size air compressor do I need to paint a car?

As a rule of thumb most air compressors with an air tank capacity of 30 gallons and up and usually handle painting a car if you match the paint gun CFM to the CFM rating of the compressor for a complete buying guide visit AirCompressorsUSA.

How much pressure does a HVLP gun need?

What is HVLP? HVLP, or High-Volume/Low Pressure, uses a high volume of air (typically between 15-26 CFM) delivered at low pressure (10 PSI or less at the air cap) to atomize paint into a soft, low-velocity pattern of particles. In most cases, less than 10 psi is needed in order to atomize.

How much CFM do I need for spray painting?

CFM Rating A spray gun normally operates from 0.3 to 12 CFM. It also means that you need a compressor which provides from 4 CFM to 19 CFM (both for touch – ups and undercoating). Notably, an air compressor with low CFM rating isn’t recommended as it could cause uneven paint flow, or paint splattering.

What psi do you spray clear coat?

26-29 PSIWhen spraying base coat clear coat systems, you want to spray at 26-29 PSI. You measure this PSI by pulling the trigger and letting air flow through the tip of your gun with your dial or digital readout saying 26-29 PSI.

How much PSI is in a spray paint can?

As others have said, spraying paint is usually NOT a pressure thing, but VOLUME of air. A typical spray gun will require low pressure, and HIGH volume, FAR more than any standard compressor yields. This one, for example, requires between 0-70 PSI, but 12 CFM.

What is a good compressor for painting cars?

List of 7 Best Air Compressors for Painting Cars1. California Air Tools 8010 Ultra Quiet Air Compressor. … Industrial Air IL1682066 Compressor for Painting. … PORTER-CABLE C2002 Pancake Compressor. … DEWALT Pancake Air Compressor Spray Gun. … Makita MAC5200 Big Bore 3.0 HP Air Compressor.More items…

Are Harbor Freight paint sprayers any good?

Bottom Line: Unless you paint professionally, you won’t need a top brand airless sprayer. … If your project is large and you need more than several days, buy this Harbor Freight airless sprayer. It will give you time to learn how to use it well and will do the job leaving a nice smooth finish to your project.

Do I need to thin paint for airless sprayer?

The fastest way to get the smoothest finish with latex paint is to use an airless paint sprayer, which you can rent for less than $100 a day. (Other sprayers are less expensive but require you to thin the paint to a precise consistency.)

Are airless paint sprayers better?

Advantages of Airless Paint Sprayer The airless paint sprayer is better than both traditional methods, meaning that you can get the job done much more quickly than you would expect. The uniform application that the sprayer can produce is ideal on textured walls, popcorn-effect ceilings, or uneven surfaces.