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I think the Bullshop folks shut down their internet service and are taking only snail mail. On top of that, they only get to their mailbox once in a few days. It's quite a few miles. Casters who wrote to them get replies, but slowly.
In the mean time, you can use a high temperature synthetic 2-cycle oil as a pretty good substitute (it may be the actual stuff). I got the Husqvarna XP Professional XP ($2.35 at a local lawn mower shop). Some experienced casters say this is the same stuff as Bullplate. I don't know because I just started casting and never saw Bullplate.
I applied it on the sprue plate by dipping the tip of a cotton swab and spreading a very thin layer on the hot plate. I also spread it on the guide pins, pivot screw and screw slot. Less is better, otherwise it will creep into the cavity and cause wrinkled boolits.
No lead smearing on the sprue plate, smooth closing of the mold and no need to relube throughout a 1+ hour casting session.
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