CHANGING RELAY #2
SOURCE: Shimizu [1], page 187
COMMENTS: This type of composition is put between two color layers in a star to create the illusion that all the stars change their colors clearly and simultaneously in spite of slight deviations in manufacture.
PREPARATION (parts by weight):
CHEMICAL | PERCENT/PARTS | AMOUNT |
Potassium perchlorate | 0.810 | |
Red gum | 0.130 | |
Soluble glutinous rice starch | 0.060 | |
Total |