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SNCF STM-N-812 Protection vis a vis des Graffiti procedures D’essais et methodes（Anti-graffiti protection）
法國國營鐵路公司STM-N-812 防護涂鴉試驗程序和方法
SNCF STM-N-812 The purpose of this test is to classify materials (excluding textiles) in terms of their resistance to graffiti. Two tests are described in the standard: The aggressiveness test and the effectiveness test.
Several types of graffiti may be used. These products are listed by SNCF(i.e. ink, paint and permanent marker).
Several removal products are also available depending on the use of the graffitied material.
The sample of the test material is marked then cleaned several times. The test material is given a classification according to the aggressiveness of the removal product required to remove the graffito.
軌道車輛防涂鴉測試SNCF STM-N-812結果需要結合侵蝕性和有效性測試來共同評估。一般認為涂料產品達到SNCF STM-N-812標準的G0及G1級，能夠有效阻止小廣告的粘貼切。
更多關于NFF31-112防涂鴉測試及SNCF STM-N-812法國防護涂鴉試驗程序和方法，請咨詢南京睿督公司
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