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ISO 11611: Protective Clothing for Use in Welding and Allied Processes

This standard sets out requirements in terms of protection against minor splashes of molten metals during welding process.

Class 1: Prevent lower risks of welding, such as lower levels of spatter and radiant heat.

Class 2: Prevent higher risks of welding, such as higher levels of patter and radiant heat.

Only when fulfill all the requirements below can claim to be in compliance with ENISO 11611 . When Article 10 has been completed, and Article 11 has been carried out or agreed with a Notified Body, the mark can then be affixed to the approved equipment.

ENISO 11611規定 – 摘要

PROPERTY	TEST Method	EN ISO 11611 REQUIREMENTS
6.1 Tensile Strength	ISO 13934-1:1999	Grade 1:≧400N(N) Grade 2:≧400N
6.2 Tear Strength	ISO 13937-2:2000	Grade 1:≧20N Grade 2:≧20N
6.5 Sizes change	ISO 5077:2007	Woven fabrics: Grade 1:≦±3% Grade 2:≦±3%
6.7 Flame spread – Face ignition (code letter A1)	ISO 15025: 2000 Procedure A	Class 1 and Class 2: No flaming to edge No hole formation No flaming or molten debris Mean afterflame ≤ 2s Mean afterglow ≤ 2s
6.8 Impact of spatter	ISO 9150:1988	No ignition Class 1: ≥ 15 drops Class 2: ≥ 25 drops
6.9 Heat transfer (radiation)	ISO 6942:2002 MethodB at 20kW/m²	Grade 1:RHTI₂₄≧7s Grade 2:RHTI₂₄≧16s
6.10 Electrical resistance	EN 1149-2: 1997* at 85±5%r.h.	Grade 1:＞10⁵Ω Grade 2:＞10⁵Ω
6.11.2 pH-value	ISO 3071:2005	Class 1 and Class 2: Greater than 3.5 and less than 9.5

EN469

EN659 & EN420

EN13911

ENISO 11612

ENISO 11611

EN1149

ENIEC 61482-1-2



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