Antimony Trisulfide, dark pyro (antimony sulfide) [Sb2S3] 325 mesh, dark gray powder Fuel used to increase sensitivity of flash powder. PLEASE NOTE THAT ALL CHEMICALS ARE SHIPPED IN A HEAVY DUTY PLASTIC BAG INSIDE A RE-USUABLE MICROWAVABLE PLASTIC TUB AND AN ADDITONAL PLASTIC OUTER WRAP. THIS EXTRA STEP THAT WE DO COSTS MORE, BUT INSURES THAT YOUR ITEM ARRIVES INTACT. ALSO THE CONTAINER KEEPS YOUR PRODUCT FRESH.
