CEN/TC 321 - Explosives for civil uses

This document specifies requirements for detonating cords and safety fuses.
This document is applicable to explosives for civil uses.

This document specifies a method for determining the mechanical strength of electric detonators, electronic detonators and non-electronic detonators, leading wires/shock tubes, and their connections into the crimp/closure or sealing arrangement.
This method is applicable to explosives for civil uses.

This document specifies a test method for the verification of the thermal stability of detonating cords and safety fuses.

This document specifies a test method for the verification of the resistance to hydrostatic pressure of explosives for blasting and a test method for the verification of the resistance to hydrostatic pressure of explosives for boosters.
This document does not apply to black powder.
This document does not apply to explosive substances.

This document specifies a method for determining the resistance of the electric detonators, non-electric detonators, plain detonators and electronic detonators to bending.
This document applies to explosives for civil uses.

This document specifies the requirements for electric detonators, non-electric detonators, electronic detonators, plain detonators, semi-finished detonators, electronic initiation systems, surface connectors, shock tubes and detonating cord relays.

This document specifies a test method for the verification of the resistance to water of detonating cords and safety fuses.

This document specifies a method for determining of resistance of electric detonators to electrostatic discharge (ESD).
This document is applicable to explosives for civil uses.

This document specifies a method for the determination of burning rate under ambient conditions for solid gun propellants. It is applicable to solid gun propellants and black powder in their original form up to a grain size of 8 mm.
NOTE 1   Knowledge of burning rate is of high importance to manage risks associated with handling such explosives and of high importance to assess whether performance characteristics are met.
NOTE 2   In cases where propellants having grain size higher than 8 mm are generally used, their burning rate is more influenced and controlled by parameters of element containing thereof, and thus knowledge of their burning rate at ambient condition is not of high importance.

This document specifies a method for determination the ability of the explosive content of plain detonators and semi-finished detonators to withstand vibration it could be exposed to during use, handling and transport. Plain detonators are instantaneous detonators supplied without means of activation. Semi-finished detonators are detonator supplied without means of activation
This document applies to explosives for civil uses.
NOTE Plain detonators and semi-finished detonators are normally activated by means of detonating cord, safety fuse, pyrotechnic igniter or shock tube.

This document specifies a method for determining the resistance to cracking at low temperatures of the leading wire plastic insulation of electric detonators and electronic detonators.
This document is applicable to explosives for civil uses.

This document specifies a method for checking small rocket motors for voids and fissures and provides a list of non-destructive testing (NDT) methods for detecting voids and fissures in other solid rocket propellants.

This document specifies a method for determining the electrical resistance of electric detonators. This document applies to explosives for civil uses.

This document specifies test methods for the verification of the initiation of explosives for blasting and boosters by its means of initiation.
The means of initiation for explosives for blasting covered in this document are detonators, detonating cords and boosters. The means of initiation for boosters covered in this document are detonators and detonating cords.
This document does not apply to black powder used for blasting and explosive substances.

This document specifies a test method for the verification of the transmission of detonation of cartridged explosives for blasting.
This document does not apply to blasting explosives in bulk form, boosters, black powder and explosive substances.

This document defines terms and definitions used in documents prepared by CEN/TC 321 for explosives for civil uses.

This document specifies a test method for the verification of the insensitiveness to impact of explosives for blasting and explosive substances.
This document also applies to black powder when used for blasting.
This document does not apply to boosters.
This document also applies to solid gun propellants, solid rocket propellants, black powder used as propellants, for safety fuse or for pyrotechnics and powder cakes as covered by EN 13938-1:2025.

This document specifies a method for the verification of the transfer capability of surface connectors, detonating cord relays and coupling accessories.
In case of coupling accessories, the document applies to non-electric detonators, electronic detonators and surface connectors where the shock tube is equipped with a coupling accessory and to shock tubes equipped with a coupling accessory.
This document does not apply to electric detonators, plain detonators, semi-finished detonators, and electronic initiation systems.

This document specifies a method for the determination of the velocity of detonation of detonating cords.
This document does not apply to safety fuses.

This document specifies a test method for the verification of the insensitiveness to friction of the core of detonating cords.
This document does not apply to safety fuses.

This document specifies a test method for the verification of the capacitance, insulation resistance and insulation breakdown of leading wires of electric detonators and electronic detonators.
This document does not apply to non-electric detonators, surface connectors, detonating cord relays, shock tubes and electronic initiation systems.

This document specifies the requirements for solid propellants, solid rocket propellants, powder cakes and black powders for pyrotechnics and safety fuses, when subjected to the test methods defined in the standards referenced to in Clause 2.

This document specifies a method for determining the no-fire current of electric detonators. This document applies to explosives for civil uses.

This document specifies test methods for determining the burning duration of safety fuses.
This document does not apply to detonating cord.

This document specifies a test method for the verification of the flash-over voltage of electric detonators.
This document does not apply to non-electric, electronic, plain or semi-finished detonators.
This document does not apply to surface connectors, detonating cord relays, leading wires, shock tubes, coupling accessories and electronic initiation systems.

This document specifies a test method for the verification of the transmission of deflagration of black powder used for blasting.
This document applies only to black powder in granular form or in compressed form.

This document specifies two test methods for the verification of the insensitiveness to impact.
This document is applicable to electric detonators, non-electric detonators, electronic detonators, plain detonators, semi-finished detonators, surface connectors and detonating cord relays as well as shock tubes.
This document does not apply to electronic initiation systems.

This document specifies two test methods for the determination of the velocity of detonation of explosives for blasting.
This document does not apply to boosters and explosive substances.
NOTE   This document does not apply to black powder. The burning rate of black powder is determined in accordance with EN 13938-4:2025.

This document specifies a method for the determination of the index of initiating capability for detonating cords.
The test method specified in this document is intended to assess only the index of initiation capability of detonating cords. See EN 13630-7:2025 for a test method for the verification of the reliability of initiation.
This document does not apply to safety fuses.

This document specifies a method for determining the delay time accuracy of electric detonators, non-electric detonators, surface connectors and detonating cord relays with pyrotechnic delay elements.
This document applies to explosives for civil uses.
NOTE The method for determining the delay time accuracy for electronic initiation systems is included in prEN 13763-27.

This document specifies a test method for the verification of the resistance to abrasion of detonating cords.
This document does not apply to safety fuses.

This document specifies a test method for the verification of the resistance to water of explosives for blasting and boosters.
NOTE   This test method applies to situations where an explosive for blasting or a booster is subjected to high humidity and contact with water.
This document does not apply to black powder.
This document does not apply to explosive substances.

This document specifies a method for the verification of the shock wave velocity of shock tubes.
This document is applicable to shock tubes of non-electric detonators, surface connectors and electronic detonators, and on shock tube as bulk product.
This document does not apply to electric detonators, plain detonators, semi-finished detonators, detonating cord relays and electronic initiation systems.

This document specifies a test method for the verification of thermal stability.
This document is applicable to electric detonators, non-electric detonators, electronic detonators, plain detonators, semi-finished detonators, surface connectors and detonating cord relays as well as shock tubes.
This document does not apply to electronic initiation systems.

This document specifies a method to determine the series firing current of electric detonators. This document is applicable to explosives for civil uses.

This document specifies a method of determining the equivalent initiating capability of electric detonators, non-electric detonators and electronic detonators.
This document specifies a functioning test (after storage) at high and low temperatures.
This document is not applicable to surface connectors or detonating cord relays.
This document applies to explosives for civil uses.

This test method specifies a test method for the verification of the resistance to abrasion of leading wires of electric and electronic detonators as well as shock tubes of non-electric detonators, surface connectors and electronic detonators.
This document does not apply to detonating cord relays and electronic initiation systems.

This document specifies a test method for the verification of the transmission of detonation from one detonating cord connected to another detonating cord.
This document does not apply to safety fuses.

This document specifies a test method for the verification of electrical non-conductivity of shock tubes of non-electric detonators, surface connectors and electronic detonators, and of shock tube as bulk product.
This document does not apply to electric detonators equipped with leading wires among the products not covered by the standard, plain detonators, semi-finished detonators, detonating cord relays and electronic initiation systems.

This document specifies a test method for the verification of the insensitiveness to friction of explosives for blasting and explosive substances.
This document is also applicable to black powder used for blasting.
This document is not applicable to boosters.
This document is not applicable to compact solid explosives.
This document is not applicable to liquid explosives.
This document also applies to solid gun propellants, solid rocket propellants, black powder used as propellants, for safety fuse or for pyrotechnics and powder cakes as covered by EN 13938-1:2025.

This document specifies requirements for explosives for blasting, boosters and explosive substances.
This document also applies to black powder when used for blasting.
NOTE   This document does not apply to black powder when used as propellant, for pyrotechnics or for safety fuses; for requirements for black powder used as propellant, for pyrotechnics or for safety fuses see EN 13938-1:2025.

This document specifies methods for determination of resistance to damage by dropping unto a hard surface for non-electric detonators, electric detonators, electronic detonators, plain detonators, detonating cord relays or surface connectors.  
This document is applicable to explosives for civil uses.

This document specifies test methods for electronic initiation systems.
The test methods for electronic initiation systems refer to complete electronic initiation systems but also to electronic detonators, wireless electronic detonators and to firing units, programming units, testing units and control units that are part of an electronic initiation system.
Other parts of the EN 13763 series contain test methods applicable to electronic detonators, too.
This document does not apply to electric, non-electric, plain and semi-finished detonators, surface connectors, detonating cord relays, coupling accessories, leading wires and shock tubes.

This test method specifies a test method for the verification of the resistance to cutting damage of leading wires and shock tubes of leading wires of electric and electronic detonators as well as shock tubes of non-electric detonators, surface connectors and electronic detonators.
This document does not apply to detonating cord relays and electronic initiation systems.

This document specifies a test method for the verification of the insensitiveness to impact of detonating cords.
This document does not apply to safety fuses.

This document specifies a method for the determination of resistance to electrostatic energy for propellants containing a mass fraction of at least 5 % of particles which pass through a 1 mm sieve. This method does not apply to black powder.
NOTE   If the mass fraction of particles smaller than 1 mm size is less than 5 % the propellant is considered to be insensitive to electrostatic energy and this test is not performed.

This document specifies a test method for the verification of the thermal stability at 75 °C of explosives for blasting, boosters and explosive substances.
This document also applies to black powder when used for blasting.
This document also applies to solid gun propellants, solid rocket propellants, black powder used as propellants, for safety fuse or for pyrotechnics and powder cakes as covered by EN 13938-1:2025.

This document specifies a method for determination of resistance to hydrostatic pressure of electric detonators, non-electric detonators, electronic detonators, surface connectors and detonating cord relays.
Detonating cord relays, stated by the manufacturer to be used in dry conditions, are excluded.
This document is applicable to explosives for civil uses.

This document specifies a method to determine the tendency of a propellant to undergo transition from deflagration to detonation (DDT). It applies to propellants of a grain size up to 8 mm. This method does not apply to black powder and rocket propellant.
NOTE 1   Due to the nature of the shape of grains (heterogeneous), the combustion of the rocket propellant can cause a crack of the grain causing an explosion of the rocket motor.
NOTE 2   Black powders properties differ significantly from propellant and explosives because black powders are capable of maintaining stable combustion at high velocities without experiencing deflagration - detonation transition.

This document specifies a method for the verification of the density of explosives for blasting, boosters and explosive substances.
This document also applies to solid gun propellants, solid rocket propellants, black powder used as propellants, as covered by EN 13938-1:2025.