1 - AS/NZS 3957:2006 LIGHT-TRANSMITTING SCREENS AND CURTAINS FOR WELDING OPERATIONS
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - SECTION 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 APPLICATION
7 - 1.3 REFERENCED DOCUMENTS
7 - 1.4 DEFINITIONS
7 - 1.4.1 Luminance factor
7 - 1.4.2 Luminous transmittance
8 - 1.4.3 Radiance reduction factor
8 - 1.4.4 Spectral transmittance
8 - 1.4.5 Ultraviolet radiation
8 - 1.4.6 Welding
8 - 1.4.7 Welding curtain
8 - 1.4.8 Welding screen
9 - SECTION 2 DESIGN, CONSTRUCTION AND PERFORMANCE REQUIREMENTS
9 - 2.1 DESIGN AND CONSTRUCTION
9 - 2.1.1 General
9 - 2.1.2 Visibility
9 - 2.2 PERFORMANCE REQUIREMENTS
9 - 2.2.1 General
9 - 2.2.2 Transmission of optical radiation
10 - 2.2.3 Resistance to ultraviolet radiation
10 - 2.2.4 Seam and eyelet strength
10 - 2.2.5 Flame propagation
11 - SECTION 3 CLASSIFICATION AND MATERIALS
11 - 3.1 CLASSIFICATION
11 - 3.2 MATERIALS
12 - SECTION 4 MARKING
13 - APPENDIX A - DETERMINATION OF ULTRAVIOLET SPECTRAL TRANSMITTANCE
13 - A1 SCOPE
13 - A2 PRINCIPLE
13 - A3 APPARATUS
13 - A4 SPECIMEN
13 - A5 SPECIMEN PREPARATION
13 - A6 SCALE CALIBRATION OF SPECTROPHOTOMETER
14 - A7 PROCEDURE
14 - A8 TEST REPORT
15 - APPENDIX B - DETERMINATION OF LUMINOUS TRANSMITTANCE
15 - B1 SCOPE
15 - B2 PRINCIPLE
15 - B3 APPARATUS
15 - B4 SPECIMEN
15 - B5 SPECIMEN PREPARATION
15 - B6 PROCEDURE
16 - B7 CALCULATION
16 - B8 TEST REPORT
18 - APPENDIX C - DETERMINATION OF BLUE LIGHT RADIANCE REDUCTION FACTOR
18 - C1 SCOPE
18 - C2 PRINCIPLE
18 - C3 APPARATUS
18 - C4 SPECIMEN
18 - C5 SPECIMEN PREPARATION
18 - C6 PROCEDURE
18 - C7 CALCULATION
19 - C8 TEST REPORT
20 - APPENDIX D - DETERMINATION OF LUMINANCE FACTOR
20 - D1 SCOPE
20 - D2 PRINCIPLE
20 - D3 APPARATUS
20 - D4 SPECIMEN
20 - D5 SPECIMEN PREPARATION
20 - D6 PROCEDURE
20 - D7 CALCULATION
21 - D8 TEST REPORT
22 - APPENDIX E - DETERMINATION OF RESISTANCE TO ULTRAVIOLET RADIATION
22 - E1 SCOPE
22 - E2 PRINCIPLE
22 - E3 APPARATUS
22 - E4 SPECIMEN
22 - E5 SPECIMEN PREPARATION
22 - E6 PROCEDURE
23 - E7 TEST REPORT
24 - APPENDIX F - ASSESSMENT OF SEAM AND EYELET STRENGTH
24 - F1 SCOPE
24 - F2 PRINCIPLE
24 - F3 APPARATUS
24 - F4 SPECIMEN
24 - F5 SPECIMEN PREPARATION
24 - F6 PROCEDURE
25 - F7 TEST REPORT
26 - APPENDIX G - DETERMINATION OF FLAME PROPAGATION CHARACTERISTICS
26 - G1 SCOPE
26 - G2 PRINCIPLE
26 - G3 APPARATUS
26 - G4 SPECIMEN
26 - G5 SPECIMEN PREPARATION
27 - G6 PROCEDURE
28 - G7 TEST REPORT