In case you have to do any separations or make your own. For fireworks, we use the A (Blasting powder) system. Most here use the G (Sporting powder) system. Data thanks to Skylighter Fireworks.
Black Powder Grades, Sizes and Mesh This chart contains black powder grain sizes of commonly used black powders as well as a comparison of Blasting and Sporting grades.
Black Powder Grades & Equivalent Sizes (in mm) Sporting Grades (G) Grain Size (in mm) Blasting Grades (A) Grain Size (in mm) 1FA 8.0-4.0 Cannon Grade 4.76-1.68 2FA 4.76-1.68 1FG 1.68-1.19 4FA 1.68-.84 2FG 1.19-.59 3FG .84-.29 5FA .84-.297 4FG .42-.15 7FA .42-.149 Meal D .42 5FG .149 Fine .149
Commonly used Black Powder Grain Mesh Sizes
GRADE MESH RANGE FA 3 - 5 2FA 4 - 12 3FA 10 - 16 4FA 12 - 20 5FA 20 - 50 6FA 30 - 50 7FA 40 - 100 Meal D + 50 Fine Meal + 100 X-Fine Meal +140 Cannon Grade 4-12 1FG 12-20 2FG 16-30 3FG 20-50 4FG 40-100 5FG +100
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