Yellow powder Flour (not the same as "flowers"). Rubbermaker’s Sulfur Ground sulfur with low acid, ash and moisture content Used as a fuel, usually in compositions with nitrate oxidizers; as a component of black powder (serving as both a binder and fuel); in rocket propellants as the oxidizer for zinc. Ours is 99.9% pure and has a very low acid content. 1LB USA SALES ONLY. MUST BE SHIPPED GROUNDPLEASE 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
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