With Alderson discs, it takes 6 seconds per lineal meter for acrylic sanding at a cost of $0.05 to $0.10 per lineal meter, and a minute for paint stripping per lineal meter at a cost of $0.65 to $1.20 per lineal meter.
|SUMMARY||Alderson Sander||Dry Sanding||Tungsten + Dry Sanding|
|Acrylic Disc Cost||6 to 10 cents per lm||36 cents to $1.80 per lm||Not Applicable|
|Acrylic Sanding Time||6 seconds per lm||36 seconds per lm||Not Applicable|
|Paint Stripping Disc Cost||65 cents to $1.20 per lm||Not Applicable|
|Paint Stripping Time||1 minute per lm||Not Applicable||6 minutes per lm (based on two coats of stripper, wash-down & dry sand)|
The water eliminates heat build up associated with dry sanding. With a water flow system designed within the machine, this will prevent the disc from clogging, no need to water blast and the slurry from lead based paints can be easily collected with an Alderson Enviromat or the new Alderson Waste Recovery System.
The Alderson® sanding machine has been designed to be used in conjunction with water. It is the water that significantly reduces the frictional heat build-up that damages the paint substrate which is often invisible after sanding – especially when sanding water based painted surfaces. The damage results in blisters forming under the substrate paint and these blisters often don’t become obvious until the surface has been repainted. The use of water virtually eliminates clogging. Clogged paper also contributes to heat build-up.
So this machine extends the life of its abrasive paper and significantly reduces the time it takes to prepare a surface for painting. The machine can also be used in wet conditions and it also eliminates the need for pre-sanding preparation such as water blasting and wiping the surface dry before dry sanding.
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