can i use nitrocellulose lacquer in place of dextrin? if yes what is ratio of nitrocellulose laqur to dextrin?
nitrocellulose
Started by pighair47, Jan 31 2009 04:30 PM
2 replies to this topic
#1
Posted 31 January 2009 - 04:30 PM
#2
Posted 31 January 2009 - 08:29 PM
Wile dextrin and NC Lacquer are both binders in pyro, they are very different. NC is soluble in organic solvents and not in water, dextrin is used from water (perhaps with some alcohol added).
Certainly they are not a weight ratio replacement for each other. You would have to rework the compounding to get them to work.
Certainly they are not a weight ratio replacement for each other. You would have to rework the compounding to get them to work.
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Keep mannequins and watermelons away from fireworks..they always get hurt..
Keep mannequins and watermelons away from fireworks..they always get hurt..
#3
Posted 31 January 2009 - 10:59 PM
In certain compositions the Dextrin is vital! I tried to make a batch of Lancaster Chlorate Silver stars for NYE and they got messed up. I tried Red Gom first which for some reason didn't seem to bind them properly. Might have been the huge pile of bright aluminium. But after that I sprayed them with some NC-laquor but they still didn't seem as hard as I've made them when I used dextrin before.
The dextrin also slows down some compositions (Like Lancaster Chlorate Silver, it uses 18% Dextrin).
The dextrin also slows down some compositions (Like Lancaster Chlorate Silver, it uses 18% Dextrin).
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