CEN/TC 321 - Explosives for civil uses

TC - Incomplete superseding note (resolution not sent to CMC in due time)

This European Standard specifies a method for determining the initiating capability of flexible plastic-coated detonating cords and flexible fibrous-overbraided detonating cords, for civil use. It applies only to those detonating cords, having a maximum grammage of 40 g/m, that are used to initiate another detonating cord or a high explosive.
NOTE   The limitations of this method are described in Annex B.

This European Standard specifies a method to calculate the detonation characteristics at the constant-volume explosion state and some parameters derived thereof.

This European Standard specifies the requirements for high explosives for civil uses when subjected to test methods defined in the standards referred herein.

This document specifies a series of boosters for testing purposes.

This document specifies the requirements for propellants, solid rocket propellants, powder cakes and black powders for civil uses.

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 European Standard specifies a method of determining the equivalent initiating capability of detonators.
This standard also specifies a functioning test (after storage) at high and low temperatures.
This standard is not applicable to surface connectors or detonating cord relays.

This document specifies a method for determining the sensitiveness to friction of explosives. This method is not applicable to liquid products.

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

This document specifies a method for determination of the quantity of nitrogen oxides and carbon oxides produced by the detonation of explosives for use in underground works.

This document specifies the test methods for black powder in pellets, granular form, compressed (press-moulded cylinders with central hollow space) or as a meal for use as propellant, blasting explosive, pyrotechnic or in safety fuses.

1.1   This document specifies the constructional and functional requirements and methods for testing of devices and accessories needed for the reliable and safe initiation of detonators and shock tubes, under normal working conditions. It covers the following six types of equipment:
¾   blasting machines for initiating electric detonators;
¾   blasting machine checkers;
¾   initiating circuit field testers;
¾   shot firing cables for use with electric blasting machines;
¾   detonator connecting wires;
¾   shock tube initiators for non-electric systems.
1.2   Equipment indented only for use indoors is excluded from the environmental testing in Annex B.
1.3   Blasting machines for use with electronic detonators and magnetically coupled detonators are outside the scope of this document.
NOTE   This document does not meet all of the requirements of all relevant European Directives, such as the ATEX Directive 94/9/EC and the low voltage Directive 73/23/EEC. For example, EN 61010 (Safety requirements for electrical equipment for measurement, control and laboratory use) might also be relevant for some devices and accessories described in this document.

This European Standard specifies a method of verifying whether a flexible plastics-coated detonating cord or a flexible fibrous-overbraided detonating cord, for civil uses, can be initiated by a flexible plastics-coated detonating cord or a flexible fibrous-overbraided detonating cord.
NOTE   The initiating capability of a donor cord is defined by the equivalent initiating capability as described in EN 13630-10.

This European Standard specifies a method for determining the transfer capacity of transfer connector and coupling accessory intended for non-electric initiation systems.

This European Standard provides a guide to non-destructive testing (NDT) methods used for checking the integrity of inhibitor coatings of solid rocket propellants.

This European Standard specifies the requirements for detonators, surface connectors, shock tube and detonating cord relays for civil uses.
This European Standard does not cover electronic initiation systems (see CEN/TS 13763-27) nor the devices and accessories for reliable and safe function of detonators and relays (see EN 13763-26).

This European Standard specifies a method for determining whether electric detonators can withstand an electrostatic discharge (ESD) without detonating.
This European Standard is not applicable to magnetically-coupled detonators.

This European Standard specifies a method of determining the flash-over voltage of electric detonators.

This European Standard specifies a method for determining the no-fire current of electric detonators.

This European Standard specifies a method for the determination of the capacitance, insulation resistance and insulation breakdown of leading wires of electric detonators.

This European Standard specifies the requirements forwhich shall be met by detonating cords and safety fuses for civil uses, when subjected to the test methods defined in the standards referred to in clause 2.

This European Standard describes the method for determining the resistance of the coating of flexible plastic-coated detonating cords and flexible fibrous-overbraided detonating cords, for civil use to failure when subjected to abrasion.

This European Standard specifies a method to determine the reliability of electric detonators connected in series, when the manufacturer’s stated series firing current is applied.
The test method does not apply to magnetic coupled detonators and electronic detonators.

This European Standard specifies a method for determining the all-fire-impulse and the no-fire-impulse of electric detonators.

This European Standard specifies a method for determining the delay time accuracy of detonators and surface connectors with pyrotechnic delay elements. It does not apply to those with an electronic time delay.

This European Standard describes a method for the determination of burning rate under ambient conditions for propellants and black powders.
It is applicable to propellants and black powders in their original form up to a grain size of 8 mm.

This European Standard specifies a method for determining the resistance to failure of the plastic materials used in insulation of leading wires of electric detonators, or the tubing of shock tube non-electric detonators, when drawn over a sharp edge under specified loading conditions.

This European Standard specifies a method for determining the resistance to cracking at low temperatures of leading wire insulation of detonators. This method is only applicable to electric detonators with plastic covered leading wires.

This European Standard specifies a method for the verification of the initiation of a high explosive by a specified initiation system.
This method is applicable to high explosives in cartridge or bulk form, both unconfined and confined.

This European Standard specifies a method for the determination of the ability of cartridged explosives to transmit detonation.

This European Standard specifies a method for determining the ability of detonator leading wires/shock tubes, and their connections into the crimp/closure or sealing arrangement, to withstand a pullout when subjected to a pulling force.

This European Standard specifies a method for determining the electrical resistance of electric detonators.

This European Standard specifies a method for determining the resistance to abrasion of plastics used as insulating material for leading wires of electric detonators, or used as base material for the tubing of shock tube non-electric detonators.

This European Standard specifies methods for checking that a detonator, relay or surface connector will not explode when accidentally dropped onto a hard surface.

This European Standard specifies a method for determining the resistance of the detonator shell to bending. This standard does not apply to surface connectors.

This European Standard specifies the special conditions and procedures permitting the extension to wider ranges of applicability of the following test methods:
- determination of resistance to hydrostatic pressure;
- verification of the means of initiation;
- determination of transmission of detonation.
Standardised test methods at extreme temperatures for the following purposes are not given:
- determination of sensitiveness to friction;
- determination of sensitiveness to impact;
- determination of resistance to water;
- determination of the initiating capability of boosters;
- determination of velocity of detonation.
NOTE   In these cases, the manufacturer of the explosive should provide a suitable test method and, in cases where the results should be checked by an independent institution or authority, the manufacturer and the institution or authority should agree upon a suitable test method.

This European Standard specifies a method for assessing the ability of the explosive content of plain detonators to withstand the vibration likely to be experienced in normal use and handling.

This European Standard specifies the methods for the determination of resistance to hydrostatic pressure of electric and non-electric detonators, surface connectors and relays.
Some detonating cord relays, stated by the manufacturer to be used in dry conditions, are excluded.

This European Standard defines the key technical terminology used in the European Standards developed in the field of explosives for civil uses.

This European Standard specifies a method for determining the velocity of detonation of an explosive. The method is applicable to explosives for civil uses in cartridged or bulk form.

This European Standard specifies methods for determining the density of high explosives for civil uses, in cartridged or bulk form.

This European Standard specifies a method to determine the tendency of a propellant to undergo transition from deflagration to detonation. It applies to propellants of a grain size up to 8 mm. This method does not apply to black powder.

This Technical Specification specifies a risk analysis, evaluation and testing procedure to be used to investigate the safety and reliability of electronic initiation systems by identifying hazards and estimating the risks associated with the system. The Technical Specification also stipulates levels of acceptability for electronic initiation systems.

This European Standard specifies information to be provided by the manufacturer of explosives for civil uses or his authorised representative to the user.

This EN describes a method for determining the thermal stability of electric detonators, non-electric detonators and relays.

This EN describes methods of determining the electrical insulation resistance (non-conductivity) and the electrical flash-over distance of shock tubes used with non-electric detonators.

This European Standard specifies a method for determining the ability of high explosives for civil uses to detonate while under applied hydrostatic pressure.
This method is applicable to high explosives in cartridges and as bulk products intended for use under conditions where hydrostatic pressure may adversely affect their safety and reliability. The method is limited to explosives that are able to detonate without confinement at normal atmospheric pressure.

This European Standard specifies a method for the determination of the resistance to tension of flexible, plastics-coated detonating cords, and flexible fibrous-overbraided detonating cords for civil uses, with a core of explosive of not more than 40 g/m.

This European standard specifies a method for determining the reliability of initiation of flexible plastics-coated detonating cords and flexible fibrous-overbraided detonating cords for civil uses, by a detonator of defined initiating capability.