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How the Requirements of the EN-Standard on Welders' Protective Clothing Meet the Demands of Normal Use / H. M¿̐ưkinen, H. Kanninen, R. Nurmi

Conference Author
Performance of Protective Clothing: Sixth Volume (6th : 1996 : Orlando, Florida)
Physical Description
1 online resource (11 pages) : illustrations, figures, tables
Additional Creators
Kanninen, H., M¿̐ưkinen, H., Nurmi, R., American Society for Testing and Materials, and ASTM International
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Summary
Welders are exposed to welding gases, heat and UV-radiation. Welding sparks cause injuries and dangerous situations resulting from the ignition of protective clothing. The performance of the protective clothing plays a significant role in the protection against UV-radiation and small splashes of molten metal. The combining of adequate protection and resistance to wear and care has been a challenge for both researchers and manufacturers of protective clothing. The purpose of this study was to investigate welders' own experiences of the risks in their work and the demands they set in normal use on their protective clothing, as well as how well these demands are covered by European standard EN 470-1 for the protective clothing of welders. Flame resistance, durability to washing, tear resistance especially after washing, dimensional change, protection against sparks and molten drops, and flame resistance were the demands most often set on the highest level. Protection in the neck area against UV-radiation and dust, and pockets with closeable flaps were the most often presented demands on the design. The materials in suits perform well when new, but after use and washing the protection level is lowered considerably. The results of this study demonstrate that char formation improves the protection of materials against small splashes of molten metal. However, during the washing process, the char came off, leaving holes in the material, thus decreasing the protection considerably. Washing five times before flammability and welding tests was not found to be sufficient pretreatment. The pretreatment should also include exposure to welding sparks to some extent.
Dates of Publication and/or Sequential Designation
Volume 1997, Issue 1273 (January 1997)
Subject(s)
Other Subject(s)
ISBN
9780803153509 (e-ISBN)
9780803124028
0803124023
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 12.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
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Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1997. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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