This standard specifies a comparative method of test for the determination of the self-cleaning properties of vitreous and porcelain enamelled walls of roasting devices, grills and baking devices. The test is carried out by dropping of defined amounts of soya oil on to specified points on the vitreous and porcelain enamelled test specimen, heating it at specified temperature, cooling it to ambient temperature and repeating the cycle until a visible gloss appears. The number of cycles carried out on the test specimen is compared with the number of cycles carried out on a reference specimen.#,,#
DIN ISO 8291-1987由德国标准化学会 DE-DIN 发布于 1987-03。
DIN ISO 8291-1987 在中国标准分类中归属于: Y20 日用玻璃、陶瓷、搪瓷、塑料制品综合。
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