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Old 01-30-2018, 01:58 AM
Chris Lowry Chris Lowry is offline
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Sandblast resist

Anyone have a source for a nonpvc sandblast resist. I want to get some resist laser cut but I guess what I use wonít work.

Thanks
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Old 01-30-2018, 08:48 AM
Rick Wilton Rick Wilton is offline
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not sure what you are using but ikonics makes a sandblast resist designed for laser engravers.

https://ikonicsimaging.com/mask-maki...lasertape.html

I use an either a photoresist or avery paint mask if I'm using my vinyl cutter.
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Old 01-30-2018, 11:24 AM
Chris Lowry Chris Lowry is offline
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Not sure I really understand this stuff.

I use Hartco products. I want to use a laser cutter to cut out patterns in the resist but I guess you donít want to use PVC based products.

I thought the ikonics product was for use in a laser ingraver but maybe Iím wrong.
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Old 01-30-2018, 12:05 PM
Rick Wilton Rick Wilton is offline
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The link is for a laserable film. Your original post says you want some laser cut. There are four basic ways to create a sandblast mask.

Photoresist, laser, cutting plotter or handcut.

I currently do three of them and have done the laser in the past.

How fine of detail are you trying to achieve?
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Old 01-30-2018, 12:06 PM
Steven O'Day Steven O'Day is offline
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Laser engravers are the same as laser cutters but generally lower power. You do not want to use vinyl as it will gas off chlorine which corrodes the machine. I've had them cut 3m Buttercut, they were able to cut the stencil but leave the backing in place which helps hold together if there are a lot of small pieces.
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Old 01-30-2018, 12:19 PM
Rick Wilton Rick Wilton is offline
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The vinyl I use through my knife cutting plotter is "avery paint mask" it is a low tack film so removes easily after blasting yet is strong enough that I can blast DEEP into the glass.
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Old 01-30-2018, 01:51 PM
Chris Lowry Chris Lowry is offline
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Yes I want to creat stencils by laser cut, not high detail just tiered of cutting it by hand. I really like the soft rubbery feel of the hartco products Iím using and I am doing medium depth blasting.

Maybe I should try the ikonics stuff.

Is Buttercut PVC free?
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Old 01-30-2018, 03:57 PM
Jordan Kube Jordan Kube is offline
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Why not use a plotter, Chris? They're pretty cheap.
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Old 01-30-2018, 04:09 PM
Steven O'Day Steven O'Day is offline
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The stencil part of buttercut is rubber, not sure about the backing part though
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