DIN ISO 8291-1987 釉瓷和搪瓷.自清洁性能的试验方法.与ISO 8291, 1986版 相同

标准号：DIN ISO 8291-1987
中文标准名称：釉瓷和搪瓷.自清洁性能的试验方法.与ISO 8291, 1986版 相同
英文标准名称：Vitreous and porcelain enamels; method of test of self-cleaning properties; identical with ISO 8291, edition 1986
标准类型：Y20
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Y20
国际标准分类号：25.220.50
适用范围：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.#,,#