This powder is used on cold spark machine. It has indoor and outdoor type.There are lettered packaging and blank packaging. Please note before placing an order.
Technical Parameter:
Size: 150*100*15mm
Weight: 200g
Packing: Vacuum tin foil packing
Model: Small indoor use (1-3m, basically no spark drop with very few smoke)
Model: LARGE outdoor (2-5 meters, with a few sparks falling and smoke)