alusia
第16楼2012/07/15
发生这种事情,只能说明公司的管理上存在严重问题,我的观点是必要时要向客户进行法规的解读,不是说盲目按照客户说的做就ok,但不管怎样,对于产品用途和测试方法在测试前应该由客户确认,避免法律纠纷。就本帖而言,既然都明确了是做奶嘴用的,那就应该按照奶嘴的做测试。否则硅胶产品很多测试都通不过了,比如蛋糕模不除以系数十有八九也通不过测试。
JY
第17楼2012/07/17
一般硅胶脂肪接触迁移用替代测试
In analogy to the rules for migration from plastic materials laid down in Commission Directive 2002/72/EC the 3rd migration is assumed of legal relevance. As to be seen both solvents overestimate the 3rd migration value. The hypothesis that the migration test using olive oil is not suitable for silicones due to the swelling (BfR 2006) of the material could not be confirmed. Although little swelling could be observed, it was not in a way making migration results unrealistic or resulting in a scenario not to be expected for the preparation of food. Similar swelling of the material was experienced in the later repeated experiments with different foodstuffs. In contrast to olive oil, isooctane caused an obvious but reversible swelling of the silicone elastomer producing the highest migration values. Tenax®,a highly porous solid, gave a significantly lower overall migration in all 3 experiments, although this tendency weakened from 1st to 3rd cycle.
vic
第18楼2012/07/18
送检样品是半成品还是成品硅胶奶嘴?
有下面几点提醒:
1.如果是奶嘴用途,不测试橄榄油项目也是可以符合法规要求的。
2.根据报告的单位是mg/kg,他们应该需要您提供一个对应的容器体积,这个体积越大,结果会越低。
3.硅胶产品测试橄榄油,不稳定因素较多,让他们复测一次。重复性使用的样品,PASS几率较高。
4.自己要做这个测试,成本较高,会用到气相色谱。