Preservation should be performed according to Г0СТ9.014-78 Protection form PF (ВЗ-1), Inner packaging IP-0 (ВУ-0), storage and transportation conditions 9US1 (ОЖ1, all-climatic performance - all macroclimatic regions including regions with a tropical climate) according to GOST 15150-69. The protection term without represervation is 3 year.