杜邦耐盐水腐蚀性测试资料

1、DUPONT TEFLON. FINISHES GLOBAL COOKWARE TEST METHOD PROTOCOLTITLE: SALT CORROSION TEST PROTOCOL耐盐水腐蚀性测试GCTMP NUMBER : 02REVISION NUMBER : 2DATE OF REVISION : February 8, 2002DATE OF EXPIRING: February 8, 2005FILE: GCTMP02-SALT CORROSION C REV2.DOCWRITTEN BY : GLOBAL TEST TEAMMODIFIED BY : QPT TEAMAP

2、PROVED BY:SEGMENT PRODUCT LEADER: Martina M. WelcherREFERENCE: BRITISH STANDARD BS 7069 Appendix C. Corrosion- Modified(1) PURPOSE 目的To provide a method for testing the corrosion resistance of non-stick coating systems. 用来测试不粘涂料的耐盐水腐蚀性。(2) PRINCIPLE 原理Exposure of coating systems to a boiling 10% NaC

3、L (salt) solution for a total of 24 hours. 喷涂一指定涂料体系的锅子中，盛放 10%的氯化钠(盐水)溶液，煮沸 24 hrs。(3) APPARATUS 仪器3.1 Heat source 热源3.2 10% NaCL solution 10 %的氯化钠溶液3.3. De-ionized Water 去离子水(4) PREPARATION 准备4.1 Prepare test specimens in accordance to the procedure outlined on the product fact sheet for proper ap

4、plication, drying and baking of the specified Teflon. system.按 照产品 技术说明书的程序要求正确准备测试样品，干燥并烘烤指定的特富龙涂料体系。4.2 Prepare 10% by weight, salt solution by combining 8 tablespoons (106 gr) Table Salt and 4 cups (960 gr) de-ionized water. 将 8 汤匙( 106 gr)食盐溶解于 4 杯去离子水中 以得到重量百分比 10%的食盐溶液。4.3 Prepare a mild dish

5、detergent solution with tap water. 用去离子水配备适度浓度的 洗涤剂溶液。(5) PROCEDURE 程序5.1. Wash the test specimens in dish detergent solution用. 洗涤剂清洗测试样品。Rinse in cold water. 冷水淋洗测试样品。Dry thoroughly. 完全干燥。Visually inspect coating surface for surface defects用. 肉眼检查涂料表面缺陷。 Draw a diagram of the test specimen surface.

6、用 圆规画出测试面积表面草图。 Record all surface imperfections on the reference diagram. 在草图上标出所有的表 面缺陷。5.2 Pour the 10% salt solution into the clean test specimen to a level past the midway point of the side wall of the vessel. 倒入 10%的食盐水溶液于测试样品中， 至少要达到 其内壁一半的高度Mark the water level on the side wall of the test s

7、pecimen. 在测试样品内壁标注水 面高度Cover the test specimen with a lid. 盖上盖子。5.3. Place the test specimen on the heat source. Boil the solution for 24 hours.将 测试样 品放在热源上，加热溶液 24hrs。Boil the solution for 24 hours. Add de-ionized water to maintain the water level within 15mm (6.6 inches) at all times.煮沸溶液 24hrs。每隔

8、一定时间(半小时左右) 添加去离子水，以保持水面高度偏差在 15mm(6.6 inches)以内。The 24 hour period may be continuous or, alternately, may comprise If the 8 hour interval is used, remove for the heat source safely. 2小4 时可以是连续， 也可以间断 进行。比如可以选用 8 小时一个循环，总共三个循环。煮完后安全地从热源上 移开样品。Pour the remaining liquid from the test specimen at the e

9、nd of each cycle.在 最后的 循环后倾倒样品中残留的盐水。5.4 Wash the test specimen in warm water using the mild dish detergent solution until adhering salt deposits are completely removed.使用温和的洗涤剂在温水中清洗样品，直至残留的盐分完全洗掉。5.5 Visually examine the test specimens after each cycle for defects (blisters) not Present in the ini

10、tial mapping. Record new defects on the reference diagram. 每一循环结束后用肉眼检查样品表面新的缺陷(水泡) ，并在参考草图上标注。5.6 Store the test specimens without liquid, dry, overnight. 放置无盐水的样品，干燥，过夜。5.7 Repeat the process until a complete 24 hours is completed. 重复程序，直到完成 24hrs 的测试时间。5.8 Visually examine test specimen for defec

11、ts and record on reference diagram. 用肉眼检查样品表面的缺陷并记录在参考草图上。(6) EVALUATION 评价6.1. Using the supplied Blister Rating Guide, compare the mapping diagram to the figures for the appropriate rating assessment. Record. 使用水泡评级指南来比较草图上的缺陷，得出合适的评级数。(7) REPORTING 报告7.1. Report the blister rating including 报告水泡级

12、别。7.2 Record the following information about the test specimen: 记录样品的下列信息：Dry Film Thickness (DFT) 膜厚Substrate and surface preparation基 材以及基材制备Coating System 涂料体系 Manufacturer 厂商 Source 来源(8) PRECISION 精度The precision of the test has not been established. The test method and the rating system are su

13、bjective. Therefore it is recommended that for each set of experiments, the reproducibility is measured by including at least one reference (also calle“d standard” or control specimen) and data is gathered for each set separately精 . 度无法得到，测试方法 和评级体系是主观的。因此，对于每组测试，建议使用参照品(称之为标准样或受 控样品)来衡量测试的重现性，并且分开纪录每