PRIMING COMPOSITION #6
SOURCE: Shimizu [1], page 225. Listed as "Ignition composition for twinklers."
COMMENTS: Used for strobe stars of ammonium perchlorate base to prevent nitrates from the outer priming to react with the ammonium perchlorate. The layer should be at least 1-2 mm thick.
PREPARATION (parts by weight):
| CHEMICAL | PERCENT/PARTS | AMOUNT |
| Potassium perchlorate | 0.740 | |
| Rosin OR red gum | 0.120 | |
| Hemp coal OR paulownia coal | 0.060 | |
| Aluminum (fine flake) | 0.030 | |
| Potassium bichromate | 0.050 | |
Total | ||
