Source: rec.pyrotechnics

#2 Source: rec.pyrotechnics Comments: Preparation: The iron must be treated with linseed or tung oil. Meal powder.......................................4 Charcoal fines....................................1 Steel fillings....................................2 Bengal fire #1 Source: Chemical abstracts[14] 122, 595944 Comments: Improved color, larger sparks and increased scatter radius for sparks. Preparation: Zr................................................2-5 Cast iron shot....................................18-23 Fe powder.........................................20-25 Al powder.........................................2-5 Corn dextrin binder...............................3-6 Potato starch binder..............................0.5-1.5 Barium nitrate....................................balance Bengal fire #2 Source: Chemical abstracts[14] 122, 59595 Comments: Increased combustion time Preparation: di-Buphtalate.....................................3-5 Fe-powder.........................................20-29 Al-powder.........................................4-7 Polyvinylbutyral binder...........................11-17 NH4NO3 inhibitor..................................1-4 Ammonium perchlorate..............................balance Vé máy bay giá rẻ / ve may bay gia re

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Dịch vụ xuất nhập khẩu . dich vu xuat nhap khau
Dịch vụ xuất nhập khẩu . dich vu xuat nhap khau
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