مسحوق نترات البوتاسيوم KNO₃ عالي الجودة 99.5% لصناعة الألعاب النارية

Industrial-grade potassium nitrate powder for fireworks is a high-performance, safe and reliable oxidant 99.5% industrial-grade potassium nitrate powder for fireworks is a high-purity oxidant, specially designed for the fireworks and...