DEFSTAN 02-124(PT4)/1(2000) : 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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REQUIREMENTS FOR SHIELDING MATERIALS FOR NUCLEAR PURPOSES - PART 4: LOW DENSITY POLYTHENE SHEETING
23-02-2023
12-01-2013
TITLE PAGE
SCOPE
FOREWORD
Sponsorship
Conditions of Release
General
MOD Tender or Contract Process
Related Documents
Health and Safety
Warning
CONTENTS
SECTION 1 - MATERIALS
1.1 Chemical Composition
1.2 Quality of Materials
1.2.1 Polythene
1.2.2 Boron Carbide
SECTION 2 - MANUFACTURE
2.1 Method
2.2 Dimensions and Dimensional Tolerances
2.3 Freedom from Defects
SECTION 3 - TESTS
3.1 Visual and X-Ray Fluoroscopy Examination
3.2 Density
3.3 Hydrogen Density
3.4 Boron Content of Type B Sheeting Only
3.5 Antioxidant Content
3.6 Re-tests
SECTION 4 - IDENTIFICATION AND PACKAGING
ANNEX A - RELATED DOCUMENTS
ANNEX B - DEFINITIONS AND ABBREVIATIONS
ANNEX C - SUGGESTED METHOD FOR THE DETERMINATION OF CARBON
IN BORON CARBIDE
ANNEX D - SUGGESTED METHOD FOR THE DETERMINATION OF THE
BORON CONTENT OF BORONATED POLYTHENE
ANNEX E - PROCUREMENT CHECK LIST
ALPHABETICAL INDEX
Applicable to low density polythene sheeting for use in the reactor shielding of nuclear propulsion units, and covers both Type A-Virgin polythene and Type B-Boronated polythene.
| DevelopmentNote |
This is a redesignation of NES 124 PT4. (01/2001) This standard is obsolescent because it is no longer required for procurement of new equipment but is retained for maintenance purposes in support of existing in-service equipment. (07/2012)
|
| DocumentType |
Standard
|
| PublisherName |
UK Ministry of Defence Standards
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| BS 3012:1970 | Specification for low and intermediate density polythene sheet for general purposes |
| NES 724 : ISSUE 2 AMD 4 | PACKAGING |
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