| 摘要 |
FIELD: electrical engineering, namely, manufacturing of lead storage cells. SUBSTANCE: flux contains 30-40-% aqueous solution of hydrasine hydrate, hydrobromic acid, surface-active substance and distilled water at the following ratio of ingredients, mass%: 30-40-% aqueous solution of hydrate, 17.63-19.77; hydrobromic acid, 20.75-23.5; surface-active substance, 0.17-0.2; distilled water, the balance. EFFECT: enhanced quality of soldered seams. |
