When working with heavy welding you need garments certified according to EN ISO 11611 class 2 which is the highest level of protection in combination with EN ISO 11612. The design is to ensure that welding sparks do not stick to the garment or go inside an open pocket. 

為銲接職人設計的專用防護服 EN 11611 Class 2、抵擋金屬火屑噴濺、 輻射熱且柔軟舒適。

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