A friend suggested i add another air tank and switch back and forth.
Air compressor for sandblasting granite.
Huge selection of sandblasting tools.
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Air is the key component in sandblasting.
If you re uncertain whether your compressor is large enough for your sandblasting needs remember to keep in mind both the psi at which you ll be blasting as well as the nozzle size.
I m using aluminum oxide 70 grit.
115 psi max air flow.
A compressor that can produce between 10 cfm 20 cfm is ideal for smaller sandblasting tasks.
When compressed air flows through the first hose it creates pressure which pulls sand from a tank through the second hose.
Chart for compressed air nozzle size and media consumption using the chart below if you want at least 90psi to sandblast and your compressor s horsepower is 17 or 74cfm you can see that you can run a nozzle size of 1 4 or smaller.
5 compressed air factors for at home sandblasting.
It must sustain the proper pressure.
Piston air compressors are the most common and the least expensive but always consider the cfm volume at 100 psi and never let the size of the tank be your first consideration.
Bostitch btfp02012 6 gallon 150 psi oil free compressor best air compressor for sandblasting cabinet this compressor has a 6 gallon tank and a 150 maximum pressure per square inch.
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Cfm cubic feet per minute refers to the volume of air that can be moved in one minute.
Air pressure 125 psi max air inlet 1 4 npt nozzle size 4 5 6 7 mm cfm 12 16 cfm 70 115 psi.
Your air compressor will also be one of the highest cost items as they can easily cost between 8 000 and up depending on the style of compressor.
Too little and it won t be able to keep up with your job.
The best kinds of air compressors to have for sandblasting are higher cfm models.
4 9 scfm 90psi 7 scfm 40 psi.
If you want a more powerful sandblasting experience then a compressor that can produce a cfm somewhere between 18 cfm and 35 cfm is better and for industrial type of sandblasting look for a compressor that can pump out 50 cfm 100 cfm.
The amount and pressure of air that your air compressor provides will be one of the key factors in determining the size of your blast pattern and the speed at which the surface can be cleaned.
There are different types of air compressors.
The compressor doesn t simply provide a single burst of air.
The same tmp 7 nozzle blasting at the optimal 90 psi will require 240 cfms to keep up with the amount of air being put out at the nozzle.
The air and sand then exit the sandblasting gun together.
To do so your compressor needs to have the right air volume.
Here are the top 3 recommended air compressor for sandblasting available on amazon.
There are several considerations when determining the necessary cfm for an application including the compressor cfm the blaster cfm and the size of the nozzle.
I would change to a 1 8 nozzle but i m not sure if that would help.