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stafford.glassworks 2019-09-14 10:17am

National 8m PSI with SM-21 Tip
Hi I have question for anyone who has used the national 8m with surface mix 21 tip for boro, what psi should you run the oxy and propane at? I couldn't find recommendations anywhere on their site. TY!

hyperT 2019-09-15 8:23am

5 propane 10 ox should work well for you.

Have fun, Wayne.

stafford.glassworks 2019-09-15 8:36am

sweet. thanks!

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