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经耐家庭化学试剂和游泳池盐类耐化学腐蚀性试验后,无釉陶瓷板应不低于UB级,有釉陶瓷板应不低于GB级;
制造商应报告产品耐低浓度酸和碱耐化学腐蚀性的级别;
若陶瓷板有可能在受腐蚀环境下使用时,应进行耐高浓度酸和碱的耐化学腐蚀性试验,并报告结果。
1.1 釉面铅和镉的溶出量
有釉陶瓷板用于加工食品的工作台面或墙面,且釉面与食品有可能接触的场所,应报告其铅和镉的表面溶出量。
1.2 放射性核素限量
应符合GB 6566的要求。
1.3 弹性限度
弹性限度≥12mm。
1.4 防滑坡度
用于潮湿、赤足行走的浴室、更衣室、洗衣房和卫生间等地面时,陶瓷板的防滑坡度≥12º。
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