Delay composition for detonators

Details Delay composition for detonators Delay composition for detonators

1981-05-18

1983-12-06

Lechert, Jr., Stephen J.

Explosive and thermic compositions or charges

Metal or alloy or metalloid, each in particulate form, with...

Plural oxygen yielding compounds

149 21, 149 37, C06B 3312

Patent

active

044191545

ABSTRACT:
An improved pyrotechnic delay composition of intermediate to slow burning time is provided for use in both electric and non-electric blasting caps. The composition comprises a mixture of barium sulphate and silicon to which may optionally be added a proportion of red lead oxide. The composition is characterized by the basence of any carcinogenic properties and is not water soluble.

REFERENCES:
patent: 2586959 (1952-02-01), Kerr et al.
patent: 4008109 (1977-02-01), Norton

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