Jules

Thanks for that guys, really useful info!

We will be sourcing all of our fireworks from Kimbolton this year as we have been very impressed with their quality in the past. Ill give them a call and see if they offer insurance packages...

Just thought I would mention this... somone is selling a visco making machine on ebay:

Visco Machine

I recognise that winning bidder ...

Not sure if this is of interest to anyone thinking of attempting this themselves:

http://www.magnesium...ecial-offer.asp

Not sure what a sensible offer for the 4Kg lumps would be, but if anyone gets one, let me know.

I believe they also sell Mg/Al scrap in various grades, but you will need to contact them for that. They actually sell pyro powdered Mg/Al but only in quantities of about 50Kg

For larger tube, try a local carpet warehouse or upholsterers or something. These guys throw away loads of tubes and in my experience are happy to give them away if you take them with you.

Among many others, I got a 4m long 4 1/4" ID tube with 8mm walls, which could come in handy