HEAT-RESISTANT PYROTECHNICAL PERCUSSION COMPOSITION Russian patent published in 2020 - IPC C06B33/02 C06B27/00 C06C7/00 

Abstract RU 2731276 C2

FIELD: chemistry.

SUBSTANCE: invention relates to pyrotechnic compositions, specifically to heat-resistant slightly gassy composition, which can be used as a piercing agent in initiating means: primer-igniters (PI) and primers-detonators (PD) for perforating operations in deep oil and gas wells. Pyrotechnic composition pressed into the shell at specific pressure of more than 350 MPa contains silicon as fuel, lead oxide - lead oxide and/or lead oxide and, optionally, binder - as an oxidising agent.

EFFECT: invention is aimed at improvement of heat resistance and safety of knitted composition and products based on it.

4 cl, 7 tbl

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Authors

Ageev Mikhail Vasilevich

Popov Vladimir Kuzmich

Vedernikov Yurij Nikolaevich

Melikhova Ekaterina Alekseevna

Dates

2020-09-01Published

2019-02-12Filed