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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):

CHEMICALPERCENT/PARTSAMOUNT
Potassium perchlorate0.740
Rosin OR red gum0.120
Hemp coal OR paulownia coal0.060
Aluminum (fine flake)0.030
Potassium bichromate0.050
Total