1 Scope
This standard specifies the product classification, code, model, technical requirements, test methods and inspection rules, packaging, marking and storage of polyvinyl chloride(PVC) insulated wires used for the ignition of engineering blasting electric detonators(hereinafter referred to as detonating wires).
This standard is applicable to PVC insulated wires with copper core and galvanized steel core for electric detonator detonation.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies.
GB/T 2951.11-2008 Common test methods for insulating and sheathing materials of electric and optical cables—Part 11: Methods for general application—Measurement of thickness and overall dimensions—Tests for determining the mechanical properties (IEC 60811-1-1: 2001, IDT)
GB/T 3048.4-2007 Test methods for electrical properties of electric cables and wires—Part 4: Test of DC resistance of conductors
GB/T 3048.8-2007 Test methods for electrical properties of electric cables and wires—Part 8: AC voltage test ( IEC 60060-1:1989, NEQ)
GB/T 3048.9-2007 Test methods for electrical properties of electric cables and wires—Part 9: Spark test of insulated cores
GB/T 3953-1983 Round copper wire for electrical purposes
GB/T 4909.2-1985 Test methods for bare wires—Measurement of dimensions (neq IEC 251: 1978)
GB/T 4909.3-1985 Test methods for bare wires—Tensile test (neq IEC 207: 1966)
GB/T 8815-2002 Plasticized polyvinyl chloride (PVC) compounds for wire and cable (IEC 60227-1: 1993, NEQ)
3 Definitions
For the purposes of this standard, the following definitions apply.
3.1
routine test
test performed by the manufacturer on the factory length of all finished detonating wire to verify the integrity of the detonating wire
3.2
sample test
test performed by the manufacturer on the finished detonating wire sample or on the sample taken from the finished detonating wire at the specified frequency to verify that the finished detonating wire meets the specified requirements
Foreword i
1 Scope
2 Normative references
3 Definitions
4 Classification, code, model and product representation method
5 Technical requirements
6 Test methods
7 Inspection rules
8 Packaging, labeling and storage
Annex A (Normative) Galvanized steel core conductor
