Semi-Smoke less black powder is a mixture of
Semi-smokeless powder: It consists of a mixture of 80% black and 20% smokeless type Gunpowders: Black powder: It produces flame, smoke, and heat, and consists of granular ingredients, like sulfur, charcoal, and saltpeter (potassium nitrate) Smokeless powder: It is more effective than black powder as it burns more efficiently and produces much less smoke, resulting in less blackening and tattooing around the entry wound. Ref - Krishnan Vij 5th edition pg 238-240
50% black powder + 50% smokeless powder
60% black powder + 40% smokeless powder
70% black powder + 30% smokeless powder
80% black powder + 20% smokeless powder
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