So i made some Veline stars. Generally i used some c6 mix as priming. But i understood that not all stars actually lit.
So i think i ll try the Veline prime that uses Potassium Dichromate.
I dont keep my stars for more than a week generally. So will Potassium Dichromate with uncoated MgAl is big problem? And yes there is some moisture in the mix and environment.
P.S. Should i consider to coat MgAl from now on? I mean it helps with colors/safety too much?
Thanks a lot.
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Safety Of Veline stars With Uncoated MgAl?
10 April 2012 - 12:54 AM
Aluminium Tubes
26 June 2010 - 04:55 PM
Hi. I was thinking about constructing aluminium mortar tubes for 2.5" and 4" shells.
What i want to ask is: Are they really safe? I know that they use it in firework industries, but are those tubes safe?
Also, do the use anything else than simple aluminium? Or are they created with a special design?
Thanks a lot:)
What i want to ask is: Are they really safe? I know that they use it in firework industries, but are those tubes safe?
Also, do the use anything else than simple aluminium? Or are they created with a special design?
Thanks a lot:)
Making big particles to powder
11 February 2009 - 07:50 PM
Hello there.I have some barium nitrate which has formed something like rocks,if you can understand me, and i want to milled it in order to make it fine powder.So i put it in my ball mill,of course in an new jar with some lead balls.What i noticed is that the colour of barium nitrate changed from pure white to grey and this happens because lead is contaminating it.
And i want to know if that is as dangerous as i think and what else can i do in order to make it be fine powder.Thanks
And i want to know if that is as dangerous as i think and what else can i do in order to make it be fine powder.Thanks
Where to find Cheap Paper Shells
26 December 2008 - 04:31 PM
Hi.I first searched the forum for a while but it was difficult for me to find what i wanted.So i make a new topic.
I want to buy some paper shells not many,but wherever i find some they need more than what i buy in shipping.So i want a someone to send cheap shells in Europe as i live in Greece.
Do you have anyone in mind?Thanks a lot.
I want to buy some paper shells not many,but wherever i find some they need more than what i buy in shipping.So i want a someone to send cheap shells in Europe as i live in Greece.
Do you have anyone in mind?Thanks a lot.
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