Notes for the cleaning and maintaining the laboratory table-boards
    环氧树脂板：
1. 最常见的方法是在工作前后用70%浓度的乙醇清洁台面。
2. 如果只是去除表面的脏东西，用湿布就可以了；如果这些脏东西较难擦拭，则建议使用家用的清洁剂，但不能使用带磨料的清洁剂，也不能打蜡。
3. 由金属、橡胶及类似物体导致的油渍划痕可用蘸满石脑油或溶剂的布来擦拭。
4. 定期用纸巾或干净的抹布蘸取Crystal Simple Green产品进行清洁、擦亮，也可使用光亮油进行清洁与光亮。
5. 如果想恢复台面板原有的光泽，可用蘸满油的布擦拭表面，再用干布擦干。
 理化板：
1、 请勿将此材料长期放置在温度超过135度的环境下。
2、 请勿将此材料暴露于明火、熔融金属、金属火花或只设阳光下，也不能用作切剁的表面。
3、 煤汽灯或酒精灯的火焰会损坏本产品的表面，故酒精灯或煤汽灯须置于三角架上使用。
4、 理化板表面建议采用温水、丙西酮或性质温和的清洁剂清洗，可选用用来洗手或洗碗的清洁剂，不要选用有磨料、强酸成份的清洁剂以免损伤表面，对于顽固的污渍，可将次氧酸滴于污染的理化板表面后用清水洗净。
Epoxy resin board
1.The most common way is to use the 70% alcohol to clean the board before and after the work.
2.If only wish to remove the dirty on the surface, wet cloth is enough. However, if the dirty is difficult to be removed, the dosmetic detergent is recommended Nevertheless, detergent with milling materials is not permitted, neither is the wax polishment.
3.The oil stains and the scores generated by metal, rubber and the analogues can be cleaned by the cloth dipped with naphtha or solvents.
4.At a fixed period, people should clean and polish the board with paper or clean rags dipped with the products of Crystal Simple Green or by using the bright oil.
5.If wish to restore the original shine of the board, you should clean the board with the cloth dipped with oil followed by the wiping by dried cloth.    Physicochemical board:
1.Do not put the board under the temperature exceeding 135 oC with a long time.
2.Do not put the board under the naked flame, melted metal, metal sparkles or sun, and never cut or chop anything at the surface of the board.
3.The flame of the coal gas lamp or alcohol lamp will spoil the surface of the board, so the coal gas lamp or alcohol lamp should be kept on the tripod for using.
4.It is recommended to clean the board by mild water, acetone or mild detergent, such as the detergent used to wash hand and bowl. Do not use the detergent with milling materials and strong acid because such detergent will spoil the surface of the board. To clean the obstinate dirty, hydrogen peroxide should be dripped onto the board followed by the washing with water.