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DEFSTAN 02-124(PT4)/1(2000) : 2000

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

REQUIREMENTS FOR SHIELDING MATERIALS FOR NUCLEAR PURPOSES - PART 4: LOW DENSITY POLYTHENE SHEETING

Superseded date

23-02-2023

Published date

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Superseded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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