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标题:地铁涂料给地铁“反小广告装甲” NFF31-112涂料防涂鸦测试
正文:
“城市牛皮癣”小广告已经严重影响城市环境和形象，公共交通领域受到城市牛皮癣小广告的影响更加严重。针对这一问题，地铁部门开始尝试给地铁穿上“反小广告装甲”。通过喷涂新型的防涂鸦涂料在结构表面形成保护膜，降低物质表面张力从而实现防粘贴、防涂写的功能。涂料产品达到NFF31-112标准的G0及G1级，能够有效阻止小广告的粘贴切。NFF31-112:1994-12 Railway rolling stock--Protection in relation to graffiti-Tests procedures and methods of valuation, behaviour of materials and products of expulsion.铁路车辆防涂鸦测试方法NFF31-112标准将涂料的防涂鸦等级分为5个等级：“G” grading includes the health and safety aspects of the removal products, in accordance with current legislation. Otherwise, the material will be deemed “UNCLEANABLE”.G 0: material is "CLEANABLE" with water or dry;G 1: material is “CLEANABLE" using a removal product that is not labelled with the danger symbol;G 2: material is “CLEANABLE” using a removal product that is labelled “Xi” irritant and/or “F” inflammable.G 3: material is “CLEANABLE” using a removal pr
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