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Hi All, I may have made a mistake, I applied all the resist areas to glass that I will sandblast, but it slipped my mind (how?) that I planned to slump them. Can I blast and then slump (easy slump into platter mold), or do I risk diminishing the blasted texture? The slump will be at about 1250. thanks.

At 1250F most of the sandblasted surface will start to shine.

If you can, go to around 1125 and hold for an hour. That works for most shallow molds and will leave you a very nice matte surface. (My favorite finish, by the way.)

so, if I want it to be stronger texture than a matte finish, this will not work?

I guess it depends on how low you can go and still achieve the slump you want. The lower the better, the shorter hold the better.

You could test with a scrap to see if you like the resulting texture.